SAMSUNG SDI CO., LTD. patent applications on March 13th, 2025
Patent Applications by SAMSUNG SDI CO., LTD. on March 13th, 2025
SAMSUNG SDI CO., LTD.: 21 patent applications
SAMSUNG SDI CO., LTD. has applied for patents in the areas of H01M4/02 (6), H01M4/36 (4), H01M10/0562 (4), H01M4/62 (4), H01M10/0525 (4) H01M50/507 (2), B05C5/0254 (1), H01M50/461 (1), H04L41/0659 (1), H02J7/0016 (1)
With keywords such as: electrode, battery, material, active, portion, plate, including, layer, current, and collector in patent application abstracts.
Patent Applications by SAMSUNG SDI CO., LTD.
Inventor(s): Junhyeok KWAK of Yongin-si (KR) for samsung sdi co., ltd., Kyubuem CHOI of Yongin-si (KR) for samsung sdi co., ltd., Seung-Hun HAN of Yongin-si (KR) for samsung sdi co., ltd., Moonju CHO of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): B05C5/02, H01M50/426, H01M50/434, H01M50/446, H01M50/46
CPC Code(s): B05C5/0254
Abstract: a slot die coater including a bottom and top die coupled in a top-bottom direction, the bottom and top die forming a coated portion by coating an active material slurry on an electrode substrate, and discharging a ceramic insulating material to a boundary of the coated portion and an uncoated portion; and a spacer including an active material discharge portion between the bottom and top die and providing an active material discharge port that discharges the active material slurry, and a ceramic material discharge portion providing a ceramic discharge port that discharges the ceramic insulating material, wherein the active material discharge port is at a center of the electrode substrate, the ceramic discharge port is on sides of the active material discharge port, and the ceramic discharge port forms the ceramic insulation layer by overlapping the ceramic insulation layer on the coated portion at ends.
Inventor(s): Sang Min HA of Suwon-si (KR) for samsung sdi co., ltd.
IPC Code(s): G01R31/3842, G01R31/36
CPC Code(s): G01R31/3842
Abstract: a battery state-of-charge estimation apparatus include: a memory, and a processor connected to the memory. upon charging/discharging of a battery rack including multiple battery cells, the processor calculates a maximum soc of a maximum-voltage cell and a minimum soc of a minimum-voltage cell and calculates a representative soc of the battery rack based on the maximum soc and the minimum soc. a corresponding battery state-of-charge estimation method is also disclosed.
Inventor(s): Sungchun Cho of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): G01R35/00, G01R31/3842, G01R31/396
CPC Code(s): G01R35/00
Abstract: a method of diagnosing a voltage measurement error of a battery pack including a plurality of battery cells, the method including: measuring a voltage across opposite ends of each battery cell and performing cell balancing if a voltage difference between the battery cells satisfies a predetermined balancing condition; measuring a cell balancing current flowing through a cell balancing circuit directly connected to opposite ends of a battery cell for which cell balancing is performed; and diagnosing a voltage measurement error based on a difference between a measured cell voltage and a calculated cell voltage of a battery cell, calculated based on a resistance of the cell balancing circuit and the cell balancing current.
Inventor(s): Bohoon KIM of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M4/13, H01M4/02, H01M4/70, H01M10/0525, H01M10/0587, H01M10/42
CPC Code(s): H01M4/13
Abstract: an electrode assembly includes a separator, and a first electrode and a second electrode positioned across the separator. the separator, the first electrode, and the second electrode are wound around two winding axes and then implement a shape including a central portion and a pair of rounded portions positioned at both sides (e.g., opposite sides) of the central portion. the first electrode includes a first substrate having an inner end, a first composite material layer positioned on a part of the first substrate at a distance from the inner end, and a protection layer positioned on the inner surface of a bent part of the first substrate at a distance from the inner end and the first composite material layer.
Inventor(s): Sungnim Jo of Yongin-si (KR) for samsung sdi co., ltd., Inhyuk Son of Yongin-si (KR) for samsung sdi co., ltd., Kyueun Shim of Yongin-si (KR) for samsung sdi co., ltd., Hyungsub Lim of Yongin-si (KR) for samsung sdi co., ltd., Taehyun Park of Yongin-si (KR) for samsung sdi co., ltd., Jieun Lee of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M4/136, H01M4/02, H01M4/36, H01M4/40, H01M4/58, H01M4/583, H01M4/62, H01M4/66, H01M10/0562, H01M10/0565
CPC Code(s): H01M4/136
Abstract: a cathode for all solid secondary batteries and an all solid secondary battery including the cathode, an anode, and a solid electrolyte between the cathode and the anode are provided. the cathode includes a cathode current collector, an adhesion binder layer on the cathode current collector and including an adhesion polymer, and a cathode active material layer on the adhesion binder layer and including a composite cathode active material and a cohesion binder, wherein the composite cathode active material includes a lis-containing composite.
Inventor(s): Soochan KIM of Yongin-si (KR) for samsung sdi co., ltd., Beom Kwon KIM of Yongin-si (KR) for samsung sdi co., ltd., Minjun KIM of Yongin-si (KR) for samsung sdi co., ltd., Hyeseung JUNG of Yongin-si (KR) for samsung sdi co., ltd., Hoyong AN of Yongin-si (KR) for samsung sdi co., ltd., Minyoung HONG of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M4/62, H01M4/02, H01M4/38, H01M4/583, H01M10/0525
CPC Code(s): H01M4/622
Abstract: a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. the negative electrode includes a current collector, a negative active material layer including a negative active material, and a coating layer between the current collector and the negative active material layer, the coating layer including an organic metal-based material, and having a pattern shape.
Inventor(s): Kyounghwan Kim of Suwon-si (KR) for samsung sdi co., ltd., Jaeho Shin of Suwon-si (KR) for samsung sdi co., ltd., Yonggun Lee of Suwon-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M4/62, H01M4/02, H01M4/04, H01M4/133, H01M4/134, H01M4/1393, H01M4/1395, H01M4/36, H01M4/38, H01M4/587, H01M4/66, H01M10/0525, H01M10/0562
CPC Code(s): H01M4/625
Abstract: an anode-solid electrolyte sub-assembly including an anode and a solid electrolyte, wherein the anode includes an anode current collector, a first anode active material layer disposed adjacent to the solid electrolyte and including a first anode active material, and a carbon-based material-containing layer disposed between the first anode active material layer and the anode current collector and containing a porous carbon structure, a porosity of the carbon-based material-containing layer is greater than a porosity of the first anode active material layer, and an average pore size of the porous carbon structure in the carbon-based material-containing layer is greater than an average pore size of the first anode active material in the first anode active material layer or an average pore size of the carbon-containing layer is greater than an average pore size of the first anode active material layer.
Inventor(s): Taehyun Park of Yongin-si (KR) for samsung sdi co., ltd., Inhyuk Son of Yongin-si (KR) for samsung sdi co., ltd., Sungnim Jo of Yongin-si (KR) for samsung sdi co., ltd., Kyueun Shim of Yongin-si (KR) for samsung sdi co., ltd., Jieun Lee of Yongin-si (KR) for samsung sdi co., ltd., Hyungsub Lim of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M10/0562, H01M4/02, H01M4/36, H01M4/40, H01M4/58, H01M4/583, H01M4/66, H01M10/0525, H01M10/0565, H01M50/406, H01M50/414, H01M50/431, H01M50/443
CPC Code(s): H01M10/0562
Abstract: provided are a solid electrolyte separator, an all-solid secondary battery including the same, and a method of manufacturing the solid electrolyte separator, the solid electrolyte separator including a sulfide-based solid electrolyte and a composite of lis and a lithium salt, wherein the composite of lis and the lithium salt is represented by lis—lixwhere 1≤a≤5 and 1≤b≤5, and x is i, br, cl, f, h, o, se, te, n, p, as, sb, al, b, ocl, pf, bf, sbf, asf, clo, alo, alcl, no, co, bh, so, bo, po, ncl, ncl, bn, or a combination thereof.
Inventor(s): Sungnim Jo of Yongin-si (KR) for samsung sdi co., ltd., Inhyuk Son of Yongin-si (KR) for samsung sdi co., ltd., Taehyun Park of Yongin-si (KR) for samsung sdi co., ltd., Hyungsub Lim of Yongin-si (KR) for samsung sdi co., ltd., Kyueun Shim of Yongin-si (KR) for samsung sdi co., ltd., Jieun Lee of Yongin-si (KR) for samsung sdi co., ltd., Jinwoo Kim of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M10/42, H01M4/02, H01M4/133, H01M4/36, H01M4/587, H01M4/62, H01M10/0562, H01M50/383
CPC Code(s): H01M10/4235
Abstract: an all solid secondary battery including a cathode, an anode, and a solid electrolyte layer between the cathode and the anode, wherein the cathode includes a cathode current collector, a carbon coating layer on the cathode current collector, and a cathode active material layer on the carbon coating layer and containing a composite cathode active material and a solid electrolyte, wherein the composite cathode active material includes a lis-containing composite.
20250087791. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Jae Gyun DOO of Yongin-si (KR) for samsung sdi co., ltd., Won II JUNG of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/121, H01M50/107, H01M50/152, H01M50/167, H01M50/30, H01M50/593
CPC Code(s): H01M50/121
Abstract: a secondary battery includes: a case in which an electrolyte is accommodated; an electrode assembly accommodated together with the electrolyte in the case; a cap assembly coupled to an upper portion of the case; and a reinforcement part comprising a reinforcement body between the electrode assembly and the case to extend in a first direction, in which the case extends, and an extension part below the cap assembly to extend from the reinforcement body toward a central portion of the cap assembly in a second direction crossing the first direction.
20250087792. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Soo Min BAEK of Yongin-si (KR) for samsung sdi co., ltd., Yeon Ho JUNG of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/14, H01M50/103, H01M50/122, H01M50/489
CPC Code(s): H01M50/14
Abstract: a secondary battery in which an electrode assembly is protected or substantially protected from external impact is provided. the secondary battery includes: an electrode assembly including a positive electrode plate and a negative electrode plate; a positive electrode current collector plate electrically connected to the positive electrode plate; a negative electrode current collector plate electrically connected to the negative electrode plate; a case accommodating the electrode assembly, the positive electrode current collector plate, and the negative electrode current collector plate; a positive electrode retainer in a gap between the positive electrode current collector plate and the case, the positive electrode retainer being to ignite and expand upon external impact; and a negative electrode retainer in a gap between the negative electrode current collector plate and the case, the negative electrode retainer being to ignite and expand upon external impact.
Inventor(s): Kyungho Kim of Yongin-si (KR) for samsung sdi co., ltd., Minseung Kang of Yongin-si (KR) for samsung sdi co., ltd., Kyeong-yun Park of Yongin-si (KR) for samsung sdi co., ltd., Myeongjun Jo of Yongin-si (KR) for samsung sdi co., ltd., Eunsong Lee of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/46, H01M50/105
CPC Code(s): H01M50/461
Abstract: an electrode assembly of the present disclosure includes: a first electrode plate and a second electrode plate, each of the first electrode plate and the second electrode plate comprising an electrode current collector and an electrode substrate tab extending externally from a portion of the electrode current collector; a separator interposed between the first electrode plate and the second electrode plate; and a reinforcing member interposed between the separator and an outermost electrode plate disposed at an outermost position of the electrode assembly, the outermost electrode plate being the first electrode plate of the second electrode plate, wherein the reinforcing member is disposed to correspond to an edge portion of the electrode current collector and the electrode substrate tab of the outermost electrode plate.
20250087841. BATTERY PACK_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Hyeok LEE of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/507, H01M10/658, H01M50/209, H01M50/262, H01M50/30
CPC Code(s): H01M50/507
Abstract: a battery pack may include two or more battery cells arranged in a first direction each having a terminal portion including a first terminal and a second terminal. a side frame accommodates the battery cells. two or more frame portions are on and coupled to an upper portion of the battery cells and an upper portion of the side frame. each of the frame portions include an insertion portion extending in a width direction. two or more busbars are coupled to the frame portions and electrically connect the battery cells to each other. an insulation sheet is accommodated in the insertion portion in each of the frame portions.
20250087842. BATTERY PACK_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Hyeok LEE of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/507, H01M10/48, H01M50/244, H01M50/262, H01M50/503
CPC Code(s): H01M50/507
Abstract: a battery pack is disclosed. the battery pack includes: a plurality of battery cells, with each of the battery cells including a terminal portion including a first terminal and a second terminal. a side surface frame is provided to which the plurality of battery cells are inserted in an insertion direction. a plurality of connection portions are provided, with each of the connection portions being fixed at a position between adjacent battery cells of the plurality of battery cells along the insertion direction; and plurality of busbars are connected to the plurality of connection portions, with each of the busbars being electrically connected to terminal portions of the adjacent battery cells.
20250087846. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Ye Chan LEE of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/533, H01M50/103, H01M50/15, H01M50/474, H01M50/55, H01M50/557
CPC Code(s): H01M50/533
Abstract: the present disclosure relates to a secondary battery. the secondary battery includes a case, a first electrode assembly inside the case, and having a negative electrode substrate tab and a positive electrode substrate tab arranged along a longitudinal direction, a second electrode assembly inside the case, and having a negative electrode substrate tab and a positive electrode substrate tab arranged along the longitudinal direction, a first current collector plate electrically connected to the negative electrode substrate tab of the first electrode assembly and the negative electrode substrate tab of the second electrode assembly, and a second current collector plate electrically connected to the positive electrode substrate tab of the first electrode assembly and the positive electrode substrate tab of the second electrode assembly.
20250087849. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Sang Hyun KIM of Yongin-si (KR) for samsung sdi co., ltd., Jeong Chull AHN of Yongin-si (KR) for samsung sdi co., ltd., Hiroshi SEINO of Yongin-si (KR) for samsung sdi co., ltd., Sun Yang HONG of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/534
CPC Code(s): H01M50/534
Abstract: a secondary battery includes: a first electrode plate including a first substrate having a first active material coated portion coated with a first active material and a first electrode uncoated portion not coated with the first active material; a second electrode plate including on a second substrate having a second active material coated portion coated with a second active material and a second electrode uncoated portion not coated with the second active material; a separator between the first electrode plate and the second electrode plate; an electrode tab connected to one of the first electrode uncoated portion and the second electrode uncoated portion; an insulation tape on the first electrode uncoated portion or the second electrode uncoated portion and covering the electrode tab; and a step compensation unit on a region of an upper surface of the insulation tape excluding a region corresponding to the electrode tab.
20250087861. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Sang Hyun KIM of Yongin-si (KR) for samsung sdi co., ltd., Jeong Chull AHN of Yongin-si (KR) for samsung sdi co., ltd., Hiroshi Seino of Yongin-si (KR) for samsung sdi co., ltd., Sun Yang HONG of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/593, H01M50/107, H01M50/171, H01M50/193, H01M50/538
CPC Code(s): H01M50/593
Abstract: a secondary battery includes a first electrode plate including a first substrate having a first active material coated portion coated with a first active material and a first electrode uncoated portion not coated with the first active material; a second electrode plate including a second substrate having a second active material coated portion coated with a second active material and a second electrode uncoated portion not coated with the second active material; a separator between the first electrode plate and the second electrode plate; an electrode tab connected to one of the first electrode uncoated portion and the second electrode uncoated portion; and an insulation member that covers the electrode tab and fixes the electrode tab to the first electrode plate or the second electrode plate. the insulation member has a non-adhesive region on one side at a position corresponding to the electrode tab and an adhesive area.
20250087947. CONNECTING DEVICE_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Sungkoo KANG of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01R13/66
CPC Code(s): H01R13/6616
Abstract: the present disclosure relates to connecting device. the connecting device includes a first connector including a first connecting terminal, and a second connector including a second connecting terminal defining a hollow portion configured to receive the first connecting terminal, the second connecting terminal including first and second conductors spaced apart from each other along an insertion direction of the first connecting terminal, and a first resistor electrically connected between the first and second conductors, and wherein the second connector further includes a first elastic structure between the first and second conductors, and configured to provide an elastic force against an insertion force of the first connecting terminal to resist insertion of the first connecting terminal.
Inventor(s): Jong Hun LEE of Suwon-si (KR) for samsung sdi co., ltd., Woo Choul Kim of Suwon-si (KR) for samsung sdi co., ltd.
IPC Code(s): H02J7/00
CPC Code(s): H02J7/0016
Abstract: an apparatus for controlling balance of a battery includes a battery including multiple battery cells, a sensor measuring voltages of the multiple battery cells and a processor monitoring states of the multiple battery cells to detect failure of the multiple battery cells based on data obtained through the sensor, setting a defective battery cell as an exclusion cell and performing an imbalance determination and balancing operation with respect to the multiple battery cells excluding the battery cell set as the exclusion cell.
Inventor(s): Hyungho KIM of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H04L41/0659, H04L12/40
CPC Code(s): H04L41/0659
Abstract: a communication system for sub-devices from a first sub-device to an nsub-device, which are connected to a main device through a communication line, includes a switch provided at each of both ends of the main device and the plurality of sub-devices to open and close the communication line, a termination resistor and a termination switch provided at each of both ends of the main device and the sub-devices to form one termination end of the communication line when the switch is opened, a first communication line sequentially connecting the main device to each of the sub-devices from the first sub-device to the nsub-device, a second communication line directly connecting one end of the main device to one end of the nsub-device, and a processor electrically connected to the switch and the termination switch to control opening/closing operations of the switch and the termination switch.
SAMSUNG SDI CO., LTD. patent applications on March 13th, 2025
- SAMSUNG SDI CO., LTD.
- B05C5/02
- H01M50/426
- H01M50/434
- H01M50/446
- H01M50/46
- CPC B05C5/0254
- Samsung sdi co., ltd.
- G01R31/3842
- G01R31/36
- CPC G01R31/3842
- G01R35/00
- G01R31/396
- CPC G01R35/00
- H01M4/13
- H01M4/02
- H01M4/70
- H01M10/0525
- H01M10/0587
- H01M10/42
- CPC H01M4/13
- H01M4/136
- H01M4/36
- H01M4/40
- H01M4/58
- H01M4/583
- H01M4/62
- H01M4/66
- H01M10/0562
- H01M10/0565
- CPC H01M4/136
- H01M4/38
- CPC H01M4/622
- H01M4/04
- H01M4/133
- H01M4/134
- H01M4/1393
- H01M4/1395
- H01M4/587
- CPC H01M4/625
- H01M50/406
- H01M50/414
- H01M50/431
- H01M50/443
- CPC H01M10/0562
- H01M50/383
- CPC H01M10/4235
- H01M50/121
- H01M50/107
- H01M50/152
- H01M50/167
- H01M50/30
- H01M50/593
- CPC H01M50/121
- H01M50/14
- H01M50/103
- H01M50/122
- H01M50/489
- CPC H01M50/14
- H01M50/105
- CPC H01M50/461
- H01M50/507
- H01M10/658
- H01M50/209
- H01M50/262
- CPC H01M50/507
- H01M10/48
- H01M50/244
- H01M50/503
- H01M50/533
- H01M50/15
- H01M50/474
- H01M50/55
- H01M50/557
- CPC H01M50/533
- H01M50/534
- CPC H01M50/534
- H01M50/171
- H01M50/193
- H01M50/538
- CPC H01M50/593
- H01R13/66
- CPC H01R13/6616
- H02J7/00
- CPC H02J7/0016
- H04L41/0659
- H04L12/40
- CPC H04L41/0659