CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on July 4th, 2024

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Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED on July 4th, 2024

CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED: 37 patent applications

CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED has applied for patents in the areas of H01M10/04 (8), H01M50/103 (6), H01M50/209 (5), H01M50/342 (4), H01M50/15 (3) H01M50/209 (4), H01M4/13 (2), H01M50/262 (2), H01M50/449 (2), H01M50/3425 (2)

With keywords such as: battery, electrode, portion, cell, direction, layer, wall, body, pressure, and plate in patent application abstracts.



Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

20240216734. EXPLOSION-PROOF BOX FOR BATTERIES_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Xiong HE of Ningde (CN) for contemporary amperex technology co., limited, Feifei LIANG of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): A62C3/16, B65D25/02, B65D25/20, B65D81/38, B65D85/68

CPC Code(s): A62C3/16



Abstract: an explosion-proof box for batteries is provided, including: an outer shell; an inner shell, the inner shell being positioned inside the outer shell; and a flame arresting device, the flame arresting device running through both the outer shell and the inner shell, where the flame arresting device includes: an exhaust passage configured to discharge gases generated within the inner shell to the outside of the outer shell; and recesses disposed on the inner surface of the exhaust passage for absorbing heat energy.


20240216941. MATERIAL FEEDING DEVICE AND GLUE APPLYING SYSTEM_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Liang YU of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): B05C11/10, F04B15/02, F04B49/08

CPC Code(s): B05C11/1013



Abstract: a material feeding device includes a material barrel, a piston and an elastic member. the material barrel includes an opening; the piston matches with an inner wall of the material barrel through the opening, the piston encloses and forms a containing cavity for accommodating materials with the material barrel, and the piston is configured to be able to move along the inner wall of the material barrel. the elastic member is disposed between the inner wall of the material barrel and the piston, and adapted to connect the piston and the material barrel in a sealing manner.


20240217028. LASER POWER DETECTION SYSTEM, WELDING SYSTEM, AND INSPECTION METHOD FOR LASER WELDED WORKPIECE_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Wenchong WANG of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): B23K26/03, B23K26/067

CPC Code(s): B23K26/032



Abstract: laser emitted by a laser device is guided to an oscillating mirror and a power detection apparatus by a light guide portion. this allows the oscillating mirror to output laser for performing laser welding operations on a welding object. this also allows the power detection apparatus to detect, through a photoelectric conversion component, an electrical signal corresponding to the laser emitted by the laser device, and to determine, through a computing component based on the electrical signal and a preset conversion relationship, a laser power corresponding to the laser emitted by the laser device. the power detection apparatus is disposed on an optical conduction path between the laser device and the oscillating mirror, so that the laser power of the laser device can be detected in real time during the operation of the laser welding machine without removing the qbh connector and the oscillating mirror.


20240217049. POSITION DETECTION DEVICE, CLAMPING APPARATUS AND ROLLING SYSTEM_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Hao CAI of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): B23Q17/00, B23Q3/08, G01B21/16, H01M10/04

CPC Code(s): B23Q17/003



Abstract: a position detection device includes a detection block and a sensor. the sensor is configured to detect a detection distance between the sensor and the detection block in a detection direction y. the detection block and the sensor are set to move relative to each other, and the detection distance l gradually changes in a movement direction x. the detection distance l is configured to represent a position of the detection block or the sensor, and the detection direction y intersects with the movement direction x.


20240218169. BINDER AND PREPARATION METHOD THEREOF, SEPARATOR, ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Lei LI of Ningde (CN) for contemporary amperex technology co., limited, Haiyi HONG of Ningde (CN) for contemporary amperex technology co., limited, Xiaonan CHENG of Ningde (CN) for contemporary amperex technology co., limited, Jianrui YANG of Ningde (CN) for contemporary amperex technology co., limited, Peng WANG of Ningde (CN) for contemporary amperex technology co., limited, Yi ZHENG of Ningde (CN) for contemporary amperex technology co., limited, Chengdong SUN of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): C08L33/12, H01M50/426

CPC Code(s): C08L33/12



Abstract: a binder includes a core layer structure and a shell layer structure provided on a surface of the core layer structure and fully enveloping the core layer structure. the core layer structure includes a polyacrylate polymer, and the shell layer structure includes a polyvinylidene fluoride polymer.


20240219444. DETECTION APPARATUS AND TARGET DETECTION AND REPAIR SYSTEM_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Jianxian LV of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): G01R31/12, H01M50/103, H01M50/119, H01M50/124, H01M50/131

CPC Code(s): G01R31/1263



Abstract: a detection apparatus includes a conductive film having n film regions, where the conductive film is used to fit with an insulating layer of a target, and the target includes a metal layer, the insulating layer covering the metal layer; a signal generator configured to transmit a first electromagnetic signal to the conductive film; and a signal receiver including n collecting units, where the n-th film region corresponds to the n-th collecting unit, and the signal receiver is configured to obtain the n-th collecting signal. the collecting signal is used to determine whether there is a predetermined defect in a region of the insulating layer covered by the n-th film region; and position information of the n-th film region is used to determine position information of the predetermined defect on the insulating layer.


20240219474. BATTERY TESTING APPARATUS AND DEVICE_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Haiyang LI of Ningde (CN) for contemporary amperex technology co., limited, Lixin GUO of Ningde (CN) for contemporary amperex technology co., limited, Shaoteng REN of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): G01R31/387, H02J7/00

CPC Code(s): G01R31/387



Abstract: a battery testing apparatus includes an energy storage battery pack, a control module, a dc bus, and a dcdc converter. the control module sends a charging/discharging control instruction to the dcdc converter, and the dcdc converter transfers power between a battery under test connected to an output terminal and the energy storage battery pack through the dc bus upon receiving the charging/discharging control instruction, to perform charge/discharge testing on the battery under test connected to the output terminal.


20240221147. QUALITY INSPECTION METHOD AND APPARATUS AND PRODUCTION METHOD AND DEVICE FOR CONNECTING PIECE, AND MEDIUM_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Zhongbao HUANG of Ningde (CN) for contemporary amperex technology co., limited, Zhongyang WANG of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): G06T7/00, G06T7/62, G06V10/44, G06V10/46

CPC Code(s): G06T7/0006



Abstract: a connecting piece includes a piece body and a bulge protruding from the piece body. the connecting piece quality inspection method includes: obtaining an inspection image of the connecting piece, where the inspection image covers the bulge; determining, in the inspection image, position information of a reference contour of the bulge and position information of an inspection contour of the bulge, where the reference contour is a contour of a mouth portion of the bulge co-planar with the piece body, and the inspection contour is a contour of a bottom portion of the bulge away from the piece body; and determining a quality inspection result of the connecting piece based on the position information of the reference contour and the position information of the inspection contour.


20240222597. NEGATIVE ELECTRODE SHEET, ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Yujie CHEN of Ningde (CN) for contemporary amperex technology co., limited, Xiaoming GE of Ningde (CN) for contemporary amperex technology co., limited, Yiheng WANG of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M4/13, H01M4/02, H01M10/0525

CPC Code(s): H01M4/13



Abstract: the present application provides a negative electrode sheet, an electrode assembly, a battery cell, a battery, and an electrical device, belonging to the field of battery technology. the negative electrode sheet includes a porous matrix and a first insulator. the porous matrix has a first surface area in its thickness direction. a first insulator clads at least a partial metal surface of the first surface area. the negative electrode sheet with this structure makes it difficult for lithium ions to obtain electrons on the surface of the porous matrix during use, which can effectively alleviate precipitation of lithium metal and formation of dendritic crystals on the surface of the negative electrode sheet.


20240222598. ELECTRODE ASSEMBLY AND MANUFACTURING METHOD THEREOF, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Nan ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Li LU of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M4/13, H01M10/0583, H01M4/02

CPC Code(s): H01M4/13



Abstract: an electrode assembly may include a first electrode plate, where the first electrode plate may be coated with both an active substance layer and a viscous substance layer on two sides in a thickness direction of the electrode plate, and the active substance layer and the viscous substance layer on each side may be disposed side by side in a height direction of the electrode plate; and separators provided on the two sides of the first electrode plate in the thickness direction of the electrode plate and stacked with the first electrode plate; where in an unfolded state of the electrode assembly, the separator on each side of the first electrode plate may be a continuous integral structure, and the separators may be connected to the first electrode plate through the viscous substance layers.


20240222724. METHOD, APPARATUS, DEVICE, AND MEDIUM FOR DETECTING QUALIFIED RATE OF BATTERY ELECTRODE SHEET_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Di YANG of Ningde (CN) for contemporary amperex technology co., limited, Lei SONG of Ningde (CN) for contemporary amperex technology co., limited, Shengdong CHEN of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M10/48, H01M10/0525

CPC Code(s): H01M10/48



Abstract: a method for detecting a qualified rate of a battery electrode sheet includes collecting a first weight corresponding to a to-be-detected electrode sheet, drying the to-be-detected electrode sheet in a drying apparatus for a preset duration and collecting a second weight corresponding to the dried to-be-detected electrode sheet, and determining a detection result of the to-be-detected electrode sheet based on a ratio of a drying difference to the second weight. the drying difference is a difference between the first weight and the second weight.


20240222740. BATTERY, ELECTRIC APPARATUS, AND MANUFACTURING METHOD OF BATTERY_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Zhi WANG of Ningde (CN) for contemporary amperex technology co., limited, Feng QIN of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M10/6555, H01M10/613, H01M10/625, H01M50/152, H01M50/249, H01M50/264, H01M50/342

CPC Code(s): H01M10/6555



Abstract: a battery includes a plurality of battery units arranged in parallel in one layer or a plurality of layers, a plate disposed on one side of the battery units in the one layer or in one of the plurality of layers, and a protective cover having a top wall and two side walls disposed at two ends of the top wall and connected to the top wall. the protective cover fixes at least one of the battery units each separately on the plate.


20240222747. Shell, Battery Cell, Battery, and Power Consumption Device_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Xiaobo CHEN of Ningde (CN) for contemporary amperex technology co., limited, Xiongwei GAO of Ningde (CN) for contemporary amperex technology co., limited, Mingguang GU of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/107, H01M10/04, H01M50/578

CPC Code(s): H01M50/107



Abstract: a shell includes a peripheral wall and a pressure relief groove. the peripheral wall extends in a first direction and has a pressure relief portion, and the pressure relief portion is configured to flip and open towards an outside of the shell when a pressure or temperature inside the shell reaches a threshold, so as to release the pressure inside the shell. the pressure relief groove is disposed on the peripheral wall, and the pressure relief groove includes a first groove, a second groove, and a third groove, where the first groove is opposite to the third groove, and the first groove, the second groove, and the third groove are sequentially connected to jointly confine a pressure relief portion. an angle � between an extension direction of the first groove and the first direction satisfies: 45�≤�<90�.


20240222752. BATTERY CELL, BATTERY, ELECTRICAL APPARATUS, AND MANUFACTURING METHOD OF BATTERY CELL_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Qiang LIU of Ningde (CN) for contemporary amperex technology co., limited, Haihe Xiao of Ningde (CN) for contemporary amperex technology co., limited, Xiaowen Zhang of Ningde (CN) for contemporary amperex technology co., limited, Baiqing Li of Ningde (CN) for contemporary amperex technology co., limited, Haizu Jin of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/15, H01M10/04, H01M50/103, H01M50/176, H01M50/548

CPC Code(s): H01M50/15



Abstract: a battery cell, a battery, an electrical apparatus, and a manufacturing method of a battery cell are provided. the battery cell includes a case, an electrode assembly, an end cover, a first terminal post, and a second terminal post. the case includes two side walls which are perpendicular to a first direction and are spaced apart, and a bottom wall perpendicular to a second direction and connected to the two side walls; the case is provided with a first side opening and a second side opening which are opposite to each other in a third direction, and a top opening opposite to the bottom wall. the electrode assembly is arranged in an accommodating cavity and includes a main body part, and a first tab and a second tab which extend out of the main body part and have opposite polarities. the end cover is connected with the case.


20240222753. TOP CAP ASSEMBLY, BATTERY, AND ELECTRICAL DEVICE_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Yukun WU of Ningde (CN) for contemporary amperex technology co., limited, Xiaoping ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Wenzhu XU of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/169, H01M50/103, H01M50/15

CPC Code(s): H01M50/169



Abstract: a top cap assembly includes a top cap plate, a mounting piece, and a protection film. the top cap plate includes an inner side and an outer side disposed opposite to each other along a thickness direction of the top cap plate, the inner side and the outer side are spaced apart from each other to form a receptacle in between, and the receptacle communicates with an outside space. the mounting piece is disposed protrusively in the receptacle and comprising a fixed end and a free end disposed opposite to each other. the fixed end is disposed on a wall of the receptacle, and the free end extends along the thickness direction of the top cap plate and is spaced apart from the wall of the receptacle to form a threading clearance. one end of the protection film is attached to the mounting piece through the threading clearance.


20240222758. BATTERY, ELECTRIC APPARATUS, AND METHOD AND APPARATUS FOR MANUFACTURING BATTERY_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/209, H01M10/613, H01M10/6555, H01M50/289, H01M50/342

CPC Code(s): H01M50/209



Abstract: a battery may include: a box; a first battery cell group and a second battery cell group, where the first battery cell and the second battery cell may have a same battery capacity and different volumetric energy densities. first battery cells in the first battery cell group and second battery cells in the second battery cell group may be arranged in a first direction (x), and the first battery cell group and the second battery cell group may be arranged in a second direction (y). a size of the first battery cell may be different from a size of the second battery cell in the first direction (x), and a size of the first battery cell group may be the same as a size of the second battery cell group in the first direction (x).


20240222759. BATTERY CELL, BATTERY, ELECTRIC DEVICE, AND METHOD AND DEVICE FOR MANUFACTURING BATTERY_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology co., limited, Haizu JIN of Ningde (CN) for contemporary amperex technology co., limited, Xing LI of Ningde (CN) for contemporary amperex technology co., limited, Shaojun NIU of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/209, H01M10/04, H01M50/103, H01M50/548

CPC Code(s): H01M50/209



Abstract: a battery cell includes a first electrode assembly and a second electrode assembly, where the first electrode assembly and the second electrode assembly differ in size and/or capacity so as to fit a structure of the battery cell.


20240222765. BATTERY, ELECTRIC APPARATUS, AND METHOD AND APPARATUS FOR PREPARING BATTERY_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/209, B60L50/60, H01M50/103, H01M50/267, H01M50/547, H01M50/55

CPC Code(s): H01M50/209



Abstract: a battery includes a box and first and second battery cell groups accommodated in the box. the first and second battery cell groups comprise first and battery cells, respectively, that are polyhedral structures. a wall with a largest area of the first battery cell serves as a first wall thereof, and a wall with a largest area of the second battery cell serves as a second wall thereof. the first battery cells are arranged in a first direction, and adjacent first battery cells are mutually attached through the first walls of the adjacent first battery cells. the second battery cells are arranged in a second direction, and adjacent second battery cells are mutually attached through second walls of the adjacent second battery cells. the first direction is perpendicular to the second direction.


20240222766. BATTERY, ELECTRIC APPARATUS, AND METHOD AND APPARATUS FOR MANUFACTURING BATTERY_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/209, B60L50/60, H01M10/04, H01M10/613, H01M10/6555, H01M10/6567, H01M50/289

CPC Code(s): H01M50/209



Abstract: a battery may include a box; and at least two groups of battery cells accommodated in the box, where each group of battery cells may include a plurality of battery cells arranged along a first direction, the first direction being parallel to an upper cover or a bottom wall of the box, and the at least two groups of battery cells may be stacked along a second direction, the second direction being perpendicular to the first direction. the battery cell may be a polyhedral structure and include a first wall and a second wall that may be connected to each other, where the first wall may be parallel to the first direction, the second wall may be oblique to the first wall, and a cross section of the battery cell on a plane perpendicular to the first wall and the second wall may be a parallelogram.


20240222776. BOX, BATTERY, AND ELECTRIC APPARATUS_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Yong WANG of Ningde (CN) for contemporary amperex technology co., limited, Hui YANG of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/262, B60L50/60, H01M10/6556, H01M10/656, H01M50/242

CPC Code(s): H01M50/262



Abstract: a box includes a frame, a base plate, a fastener, a sealing member, and a connecting member. the base plate and the frame enclose an accommodating cavity. the fastener includes a body, a flange portion, and a stop portion. the flange portion is disposed at one end of the body. the stop portion is formed around the body. at least part of the frame and at least part of the base plate are sandwiched between the flange portion and the stop portion. an annular boss is formed on a side of the flange portion farther away from the body. the sealing member fits around and abuts against the annular boss. the connecting member is configured to connect to the fastener so that the sealing member is sandwiched between the flange portion and the connecting member.


20240222777. QUICK-CHANGE LOCK ASSEMBLY AND LOCKING DEVICE USING SAME_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Wenhui ZHANG of Ningde (CN) for contemporary amperex technology co., limited, Shubing YOU of Ningde (CN) for contemporary amperex technology co., limited, Qingfeng YE of Ningde (CN) for contemporary amperex technology co., limited, Yuanhe WU of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/262, B60K1/04

CPC Code(s): H01M50/262



Abstract: a quick-change lock assembly may comprise: a shell with a hollow cavity formed therein; a quick-change bolt arranged in the cavity, wherein the quick-change bolt comprises a guide section, a threaded fixing section, a flange portion and a tool matching section, a through hole is formed in the quick-change bolt along the axial direction, first anti-loosening teeth are formed on the guide section; an unlocking mandrel configured to be inserted and retained in the through hole, wherein the length of the unlocking mandrel is greater than the length of the through hole, and when an external tool is inserted into the tool matching section, the external tool can push the unlocking mandrel to move along the through hole and protrude from the guide section to remove the locking of the first anti-loosening teeth; and a bolt fixing ring fixed to the shell and configured to stop the flange portion.


20240222778. BATTERY, ELECTRIC DEVICE, AND PRODUCTION METHOD AND MANUFACTURING DIE OF BATTERY_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Yongguang Wang of Ningde (CN) for contemporary amperex technology co., limited, Yifeng Chen of Ningde (CN) for contemporary amperex technology co., limited, Yangzhi Huang of Ningde (CN) for contemporary amperex technology co., limited, Jinqing Ji of Ningde (CN) for contemporary amperex technology co., limited, Zhanyu Sun of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/289, H01M10/04, H01M50/204

CPC Code(s): H01M50/289



Abstract: embodiments of the present application relate to the technical field of batteries, and in particular relates to a battery, an electric device, and a production method and a manufacturing die of the battery. the battery includes a frame body, a plurality of battery cells, and a bonding agent, where the frame body is provided with an accommodating cavity, and the accommodating cavity is provided with an opening in a first direction; the plurality of battery cells are arranged in the accommodating cavity, and electrode terminals of the plurality of battery cells face towards the opening; and the bonding agent is arranged in the accommodating cavity, and the bonding agent is used to connect the plurality of battery cells and the frame body. the battery provided by the present application can prevent or reduce a relative displacement among battery cells, and improve the electrical connection stability of the battery.


20240222780. END PLATE, BATTERY MODULE, BATTERY, ELECTRIC DEVICE, AND MANUFACTURING METHOD OF END PLATE_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Xuan LIU of Ningde (CN) for contemporary amperex technology co., limited, Shengshen RUAN of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/296, H01M50/224, H01M50/227, H01M50/244

CPC Code(s): H01M50/296



Abstract: an end plate includes a main body portion arranged at one end of the battery module and configured to fix a battery cell in the battery module, a base configured to fix an output electrode of the battery module, and a separation portion located in the main body portion and configured to separate the main body portion from the base.


20240222782. Pressure Relief Apparatus, Battery Cell, Battery, and Power Consumption Device_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Kun FANG of Ningde (CN) for contemporary amperex technology co., limited, Zhijun GUO of Ningde (CN) for contemporary amperex technology co., limited, Haizu JIN of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/342, F16K17/16

CPC Code(s): H01M50/3425



Abstract: a pressure relief apparatus used for a battery cell includes a pressure relief body and two pressure relief grooves. the pressure relief body has a first surface and a second surface disposed opposite in its thickness direction. the two pressure relief grooves are disposed opposite in the thickness direction and disposed on the first surface and the second surface separately, a weak portion is formed between the two pressure relief grooves, and the weak portion is configured to rupture when a pressure or temperature inside the battery cell reaches a threshold, so as to release the pressure inside the battery cell.


20240222783. BATTERY AND ELECTRICAL DEVICE_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Jianhuang KE of Ningde (CN) for contemporary amperex technology co., limited, Xiaobo CHEN of Ningde (CN) for contemporary amperex technology co., limited, Yao LI of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/342, H01M50/209

CPC Code(s): H01M50/3425



Abstract: a battery includes: a box body including an electrical cavity; a battery cell group accommodated in the electrical cavity, wherein the battery cell group includes a plurality of battery cells arranged in a first direction, at least two battery cells in the battery cell group are each provided with a pressure relief mechanism, and the pressure relief mechanism is arranged on a first wall of the battery cell; and a supporting member attached to the first wall to support the battery cell, wherein the supporting member includes escape cavities corresponding to at least two of the pressure relief mechanisms in the battery cell group, and the escape cavities are used for providing deformation spaces for actuation of the at least two pressure relief mechanisms.


20240222791. BINDER AND PREPARATION METHOD THEREOF, AND SEPARATOR, ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Lei LI of Ningde (CN) for contemporary amperex technology co., limited, Haiyi HONG of Ningde (CN) for contemporary amperex technology co., limited, Xiaonan CHENG of Ningde (CN) for contemporary amperex technology co., limited, Jianrui YANG of Ningde (CN) for contemporary amperex technology co., limited, Haiyang KANG of Ningde (CN) for contemporary amperex technology co., limited, Yi ZHENG of Ningde (CN) for contemporary amperex technology co., limited, Chengdong SUN of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/449, H01M50/42, H01M50/426, H01M50/489

CPC Code(s): H01M50/449



Abstract: this application relates to the field of battery technologies, and in particular, to a binder and a preparation method thereof, and a separator, electrode assembly, battery cell, battery, and electric apparatus containing such binder. the binder includes a core layer structure and a shell layer structure provided on a surface of the core layer structure, where the core layer structure includes a polyacrylate polymer, and the shell layer structure includes a polyvinylidene fluoride polymer.


20240222792. SEPARATOR, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRIC DEVICE_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Caixia HUANG of Ningde (CN) for contemporary amperex technology co., limited, Yangfan SHE of Ningde (CN) for contemporary amperex technology co., limited, Shaobing GE of Ningde (CN) for contemporary amperex technology co., limited, Jingbing LIANG of Ningde (CN) for contemporary amperex technology co., limited, Wei CHEN of Ningde (CN) for contemporary amperex technology co., limited, Minghao TANG of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/449, H01M50/414

CPC Code(s): H01M50/449



Abstract: a separator inlcudes a base film and at least one coating layer. the base film has an upper surface and a lower surface, and has a first direction. the upper surface includes a first edge portion and a second edge portion in the first direction, and the lower surface includes a third edge portion and a fourth edge portion in the first direction. the at least one coating layer is provided at at least one of the first edge portion, the second edge portion, the third edge portion, and the fourth edge portion.


20240222795. BINDER AND PREPARATION METHOD THEREOF, SEPARATOR, ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Haiyi Hong of Ningde (CN) for contemporary amperex technology co., limited, Lei Li of Ningde (CN) for contemporary amperex technology co., limited, Xiaonan Cheng of Ningde (CN) for contemporary amperex technology co., limited, Jianrui Yang of Ningde (CN) for contemporary amperex technology co., limited, Peng Wang of Ningde (CN) for contemporary amperex technology co., limited, Yi Zheng of Ningde (CN) for contemporary amperex technology co., limited, Chengdong Sun of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/451, H01M50/42, H01M50/426, H01M50/46

CPC Code(s): H01M50/451



Abstract: this application relates to the field of battery technologies, and in particular, to a binder and a preparation method thereof, and a separator, electrode assembly, battery cell, battery, and electric apparatus containing such binder. the binder includes a core layer structure and a shell layer structure provided on surface of the core layer structure, where the core layer structure includes a polyvinylidene fluoride polymer, and the shell layer structure includes a polyacrylate polymer. polyvinylidene fluoride is a homopolymer with a crystallinity of about 50%, resulting in insufficient adhesion force. therefore, in this application, the polyacrylate polymer is used to encapsulate the polyvinylidene fluoride polymer to obtain a core-shell-structured binder, so that the crystallinity of the polyvinylidene fluoride polymer in the core-shell-structured binder is improved, and adhesion performance of the core-shell-structured binder is improved, thereby increasing adhesion force between a separator and an electrode plate via the binder.


20240222812. ELECTRODE PLATE, ELECTRODE ASSEMBLY, BATTERY, ELECTRIC DEVICE, AND MANUFACTURING METHOD FOR ELECTRODE PLATE_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology co., limited, Siying HUANG of Ningde (CN) for contemporary amperex technology co., limited, Jiao DONG of Ningde (CN) for contemporary amperex technology co., limited, Xing LI of Ningde (CN) for contemporary amperex technology co., limited, Shaojun NIU of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/533, H01M10/0587

CPC Code(s): H01M50/533



Abstract: an electrode assembly is formed by winding an electrode plate and a separator, and the electrode plate includes a coating region and a plurality of tabs. when the electrode assembly is unfolded, the tabs each include a first part and a second part, and the second part is located on a side of the tab that is away from the coating region. along a length direction of the electrode plate, two sides of the first part respectively have a first side cut and a second side cut that are opposite to each other, and two sides of the second part respectively have a third side cut and a fourth side cut that are opposite to each other. the first side cut and the third side cut are disposed located on a same side and connected to each other.


20240222818. BATTERY CELL, METHOD AND SYSTEM FOR MANUFACTURING BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Denghua LIN of Ningde (CN) for contemporary amperex technology co., limited, Long CHEN of Ningde (CN) for contemporary amperex technology co., limited, Shoujun HUANG of Ningde (CN) for contemporary amperex technology co., limited, Xinxiang CHEN of Ningde (CN) for contemporary amperex technology co., limited, Yulian ZHENG of Ningde (CN) for contemporary amperex technology co., limited, Peng WANG of Ningde (CN) for contemporary amperex technology co., limited, Haizu JIN of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/548, H01M10/04, H01M50/593

CPC Code(s): H01M50/548



Abstract: a battery cell includes a housing, a first electrode component, a second electrode component, a first electrode terminal, and a second electrode terminal. the first electrode component and the second electrode component are accommodated within the housing and arranged along a first direction, and the first electrode component is insulated from the second electrode component. the first electrode terminal is arranged within the housing and electrically connected to the first electrode component to lead out electrical power from the first electrode component. the second electrode terminal is arranged within the housing and electrically connected to the second electrode component to lead out electrical power from the second electrode component.


20240222819. BATTERY, BATTERY CELL, BATTERY MODULE, ELECTRICAL DEVICE, END CAP ASSEMBLY AND MANUFACTURING METHOD FOR BATTERY_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Siying Huang of Ningde (CN) for contemporary amperex technology co., limited, Shengkai Wu of Ningde (CN) for contemporary amperex technology co., limited, Long Li of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/567, H01M10/0525, H01M10/054, H01M50/15, H01M50/184, H01M50/186, H01M50/533, H01M50/553

CPC Code(s): H01M50/567



Abstract: the present application provides an end cap assembly, a battery cell, a battery module, a battery, an electrical device, and a manufacturing method for the end cap assembly. the end cap assembly is applied to the battery cell and includes: an end cap sheet, electrode columns, and adapter sheets; the end cap sheet is provided with electrode through holes; the electrode columns are configured for inputting or outputting electric energy of the battery cell, the electrode columns cover the electrode through holes, each electrode column is provided with a first concave portion recessed towards an interior of the battery cell; and each of the adapter sheets is provided with a second concave portion matching with the first concave portion, and configured for electrically connecting the electrode columns with an electrolytic cell or a galvanic cell inside the battery cell.


20240222822. SHELL FOR BATTERY CELL, BATTERY CELL, BATTERY, AND POWER CONSUMING DEVICE_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Xiaobo CHEN of Ningde (CN) for contemporary amperex technology co., limited, Mingguang GU of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/578, H01M50/581

CPC Code(s): H01M50/578



Abstract: a shell for a battery cell includes a pressure relief mechanism that includes: a body; a first weakened portion arranged on the body, the first weakened portion having two first free ends, and a line connecting the two first free ends not completely overlapping with the first weakened portion and jointly defining a pressure relief portion; and a second weakened portion arranged on the body, a first projection of the first weakened portion on a plane perpendicular to a first direction not intersecting a second projection of the second weakened portion on the plane, the first direction being a thickness direction of the pressure relief portion. the pressure relief portion is configured to be opened with the first weakened portion as a boundary and flip toward one side where the second weakened portion is located when an internal pressure or temperature of the battery cell reaches a threshold.


20240222826. BATTERY CELL, METHOD AND APPARATUS FOR MANUFACTURING THE SAME, BATTERY, AND ELECTRIC APPARATUS_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Hui GU of Ningde (CN) for contemporary amperex technology co., limited, Linlin Zhu of Ningde (CN) for contemporary amperex technology co., limited, Guanghao Zhu of Ningde (CN) for contemporary amperex technology co., limited, Chao Liu of Ningde (CN) for contemporary amperex technology co., limited, Wenjie Yu of Ningde (CN) for contemporary amperex technology co., limited, Qingkui Chi of Ningde (CN) for contemporary amperex technology co., limited, Haizu Jin of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01M50/636, H01M10/04, H01M50/103, H01M50/538, H01M50/578

CPC Code(s): H01M50/636



Abstract: the present application relates to a battery cell and a manufacturing method and device thereof, a battery, and a power consumption apparatus, belonging to the field of battery manufacturing technologies. the battery cell includes: a shell with a first wall; an electrode assembly; and a first current collecting member, where the first wall has a first surface facing the first current collecting member, the first current collecting member has a second surface facing the first wall, one of the first surface and the second surface is provided with a protrusion and the other abuts against the protrusion to form a gap between the first wall and the first current collecting member; and the first current collecting member is provided with a first hole and a second hole, and the first hole is configured to be in communication with the second hole through the gap.


20240222900. ELECTRICAL CONNECTOR ASSEMBLY, POWER EXCHANGE BASE AND ELECTRIC EQUIPMENT_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Qingfeng YE of Ningde (CN) for contemporary amperex technology co., limited, Yuanhe wu of Ningde (CN) for contemporary amperex technology co., limited, Disong Chen of Ningde (CN) for contemporary amperex technology co., limited, Ling Shuai of Ningde (CN) for contemporary amperex technology co., limited, Kangyu Wang of Ningde (CN) for contemporary amperex technology co., limited, Xia Wang of Ningde (CN) for contemporary amperex technology co., limited, Xin Yang of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H01R13/52, B60L53/80, H01M50/249, H02J7/00

CPC Code(s): H01R13/52



Abstract: embodiments of this application provide an electrical connector assembly. the electrical connector assembly includes: an electrical connector body for docking with a battery, where the electrical connector body has a docking portion that docks with the battery; a shield portion capable of shielding the docking portion; and a driving means capable of driving the shield portion to shield the docking portion and driving the shield portion to leave the docking portion. according to the embodiments of this application, the electrical connector body can prevent, through shield of the shield portion, water or foreign matters from falling onto the docking portion of the electrical connector body during battery swapping which otherwise leads to short circuit or contamination of the electrical connector body.


20240223741. CAMERA PIXEL CALIBRATION APPARATUS AND WINDING DEVICE_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Yucong XUE of Ningde (CN) for contemporary amperex technology co., limited, Zhipeng Chen of Ningde (CN) for contemporary amperex technology co., limited, Chao Chen of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H04N13/246, G06T7/80, H04N17/00

CPC Code(s): H04N13/246



Abstract: a camera pixel calibration apparatus and a winding device are provided. the camera pixel calibration apparatus includes: a camera, where the camera has a shooting lens; and a reference assembly, where the reference assembly is disposed between the shooting lens and a coating material. the reference assembly includes a bracket and a calibration plate, the bracket is provided with a camera viewing window, and the calibration plate is disposed on a surface of the bracket close to the shooting lens.


20240224551. PEROVSKITE BATTERY, METHOD FOR PREPARING SAME, AND PHOTOVOLTAIC MODULE CONTAINING SAME_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Bao Tu of Ningde (CN) for contemporary amperex technology co., limited, Changsong Chen of Ningde (CN) for contemporary amperex technology co., limited, Yongsheng Guo of Ningde (CN) for contemporary amperex technology co., limited, Guodong Chen of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H10K30/82, H10K30/40, H10K30/86, H10K85/60, H10K102/00

CPC Code(s): H10K30/82



Abstract: provided are a perovskite battery, a method for preparing same, and a photovoltaic module containing same. the perovskite battery includes: a first electrode; a second electrode; a perovskite layer, located between the first electrode and the second electrode; an organic hole transport layer, located between the first electrode and the perovskite layer; and an inorganic hole transport layer, located between the organic hole transport layer and the perovskite layer. a thickness hof the inorganic hole transport layer and a thickness hof the organic hole transport layer satisfy h/h≤0.4. the inorganic hole transport layer includes an inorganic hole transport material. the inorganic hole transport material is selected from inorganic p-type semiconductor materials that are soluble in n,n-dimethylformamide under a room temperature at a solubility lower than 0.10 mg/ml.


20240224789. IONIC COMPOUND AND APPLICATION THEREOF, PEROVSKITE PRECURSOR SOLUTION, PEROVSKITE MATERIAL, SOLAR CELL, AND ELECTRIC APPARATUS_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Hanfang Li of Ningde (CN) for contemporary amperex technology co., limited, Shuojian Su of Ningde (CN) for contemporary amperex technology co., limited, Weifeng Liang of Ningde (CN) for contemporary amperex technology co., limited, Changsong Chen of Ningde (CN) for contemporary amperex technology co., limited, Xiangling Lin of Ningde (CN) for contemporary amperex technology co., limited, Zhaohui Liu of Ningde (CN) for contemporary amperex technology co., limited, Guodong Chen of Ningde (CN) for contemporary amperex technology co., limited, Yongsheng Guo of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H10K85/50, C07C211/63, C07C211/64, C07D209/44, C07D211/14, C07D213/06, C07D215/10, C07D223/04, H02S10/40, H10K30/30, H10K30/40, H10K30/50, H10K71/12, H10K71/40, H10K85/60

CPC Code(s): H10K85/50



Abstract: provided are an ionic compound and an application thereof, a perovskite precursor solution, a perovskite material, a solar material, a solar cell, and an electric apparatus. the ionic compound has a structure represented by any one of formulas (1) to (3). the ionic compound can improve the stability of perovskite materials and thus improve the efficiency and stability of solar cells.


20240224789. IONIC COMPOUND AND APPLICATION THEREOF, PEROVSKITE PRECURSOR SOLUTION, PEROVSKITE MATERIAL, SOLAR CELL, AND ELECTRIC APPARATUS_simplified_abstract_(contemporary amperex technology co., limited)

Inventor(s): Hanfang Li of Ningde (CN) for contemporary amperex technology co., limited, Shuojian Su of Ningde (CN) for contemporary amperex technology co., limited, Weifeng Liang of Ningde (CN) for contemporary amperex technology co., limited, Changsong Chen of Ningde (CN) for contemporary amperex technology co., limited, Xiangling Lin of Ningde (CN) for contemporary amperex technology co., limited, Zhaohui Liu of Ningde (CN) for contemporary amperex technology co., limited, Guodong Chen of Ningde (CN) for contemporary amperex technology co., limited, Yongsheng Guo of Ningde (CN) for contemporary amperex technology co., limited

IPC Code(s): H10K85/50, C07C211/63, C07C211/64, C07D209/44, C07D211/14, C07D213/06, C07D215/10, C07D223/04, H02S10/40, H10K30/30, H10K30/40, H10K30/50, H10K71/12, H10K71/40, H10K85/60

CPC Code(s): H10K85/50



Abstract:


CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED patent applications on July 4th, 2024