SAMSUNG SDI CO., LTD. patent applications on February 20th, 2025

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Patent Applications by SAMSUNG SDI CO., LTD. on February 20th, 2025

SAMSUNG SDI CO., LTD.: 27 patent applications

SAMSUNG SDI CO., LTD. has applied for patents in the areas of H01M4/02 (6), H01M4/133 (5), H01M4/36 (5), H01M10/0525 (4), H01M4/38 (4) H01M10/0431 (2), H01M4/366 (2), H01M10/0562 (2), H01M50/176 (2), B01F35/221 (1)

With keywords such as: electrode, battery, layer, material, active, portion, including, collector, plate, and negative in patent application abstracts.



Patent Applications by SAMSUNG SDI CO., LTD.

20250058291. APPARATUS AND METHOD FOR CONTROLLING VISCOSITY OF SLURRY_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Bo Ra KIM of Suwon-si (KR) for samsung sdi co., ltd., Yong Jin KIM of Suwon-si (KR) for samsung sdi co., ltd., Jake KIM of Suwon-si (KR) for samsung sdi co., ltd., Tae Sung AHN of Suwon-si (KR) for samsung sdi co., ltd., Hee Chan JUNG of Suwon-si (KR) for samsung sdi co., ltd., Yong Jun HWANG of Suwon-si (KR) for samsung sdi co., ltd., Jee Hoon HAN of Suwon-si (KR) for samsung sdi co., ltd., Jong Man KIM of Suwon-si (KR) for samsung sdi co., ltd., Gi Heon KIM of Suwon-si (KR) for samsung sdi co., ltd.

IPC Code(s): B01F35/221, B01F35/22

CPC Code(s): B01F35/221



Abstract: an apparatus for controlling viscosity of a slurry includes a mixing module mixing raw materials for a secondary battery, and a processor performing machine learning for prediction of viscosity of the slurry, predicting viscosity of the slurry in real time during a mixing process through machine learning, and adjusting conditions of the mixing process performed by the mixing module such that a predictive viscosity of the slurry meets a target viscosity.


20250059049. NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Chul YOUM of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): C01B33/029, H01M4/02, H01M4/04, H01M4/36, H01M4/583, H01M10/052

CPC Code(s): C01B33/029



Abstract: a negative electrode active material, a method of preparing the negative electrode active material, and a rechargeable lithium battery that includes the negative electrode active material, the negative active material includes amorphous nano-sized si particles and the rechargeable lithium battery includes a negative electrode including the negative electrode active material, a positive electrode and an electrolyte.


20250060415. SYSTEM AND METHOD FOR ARCING AND IONIZATION DETECTION IN BATTERIES_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Florian MAXL of Graz (AT) for samsung sdi co., ltd., Eymen IPEK of Graz (AT) for samsung sdi co., ltd.

IPC Code(s): G01R31/3842, G01R31/371

CPC Code(s): G01R31/3842



Abstract: the present disclosure refers to a method for detecting the occurrence of a dielectric breakdown in a battery module. the present disclosure further refers to a method for disconnecting a battery module from a load upon detection of a dielectric breakdown in a battery module. also, the present disclosure is related to a battery system with a battery module, the battery system being configured to perform the disclosed method for detecting the occurrence of a dielectric breakdown in a battery module and/or being configured to perform the disclosed method for disconnecting a battery module from a load upon detection of a dielectric breakdown in a battery module. also, the present disclosure is related to a vehicle comprising at least one battery system according to the disclosure.


20250062311. MANUFACTURING METHOD OF ELECTRODE FOR RECHARGEABLE BATTERY_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): HYUNJIN LEE of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M4/04, H01M4/02, H01M4/62

CPC Code(s): H01M4/0433



Abstract: a method of manufacturing an electrode of a rechargeable battery, the method including a first step of injection molding a plate-shaped electrode sheet in an injection mold with an electrode mixture that is input into an injection device, resulting in a molded electrode sheet, a second step of moving the molded electrode sheet onto a metal substrate and a third step of laminating the metal substrate and the molded electrode sheet.


20250062315. NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Donghun LEE of Yongin-si (KR) for samsung sdi co., ltd., Songyul OH of Yongin-si (KR) for samsung sdi co., ltd., Hyeri EOM of Yongin-si (KR) for samsung sdi co., ltd., Junkyu LEE of Yongin-si (KR) for samsung sdi co., ltd., Jinhyuk IN of Yongin-si (KR) for samsung sdi co., ltd., Soonsung SUH of Yongin-si (KR) for samsung sdi co., ltd., Min-young JEONG of Yongin-si (KR) for samsung sdi co., ltd., Uisong DO of Yongin-si (KR) for samsung sdi co., ltd., Wonhyung CHAE of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M4/133, C09D5/00, C09D5/24, C09D7/61, C09D109/06, H01M4/02, H01M4/62, H01M10/0525, H01M10/42

CPC Code(s): H01M4/133



Abstract: disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. the negative electrode includes a current collector; a negative active material layer, and an adhesive layer between the current collector and the negative active material and having a thickness of about 30 �m or less, wherein the adhesive layer comprises a carbon-based material at an amount of about 90 wt % or more based on the total 100 wt % of the adhesive layer.


20250062317. SOLID SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Hyungsub Lim 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., 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, H01M4/133, H01M4/134, H01M4/36, H01M4/38, H01M4/58, H01M4/587, H01M4/62, H01M10/0525, H01M10/0562

CPC Code(s): H01M4/136



Abstract: a solid secondary battery and a method of manufacturing the same are provided. the solid secondary battery includes a cathode layer, an anode layer, a solid electrolyte layer provided between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer provided on one surface or two surfaces of the cathode current collector. the cathode active material layer includes a composite cathode active material, and the composite cathode active material includes a composite of ms, an alkali metal salt, and an inorganic electronic-conductive structure, wherein m is an alkali metal, and the alkali metal is li or na. the inorganic electronic-conductive structure has an electronic conductivity of 11�10s/cm or more, and the composite includes a solid solution of the ms and the alkali metal salt.


20250062321. NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Juhye BAE of Yongin-si (KR) for samsung sdi co., ltd., Jin Seok PARK of Yongin-si (KR) for samsung sdi co., ltd., Hyun NAM of Yongin-si (KR) for samsung sdi co., ltd., Taeil LEE of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M4/36, H01M4/02, H01M4/38, H01M4/583, H01M10/052

CPC Code(s): H01M4/366



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; and a negative active material layer on at least one surface of the current collector, wherein the negative active material layer comprises a first crystalline carbon layer in contact with the current collector, a silicon layer on the first crystalline carbon layer and comprising a si-carbon composite, and a second crystalline carbon layer on the silicon layer, and a thickness of the silicon layer is about 3% to about 35% based on a total thickness of the negative active material layer.


20250062325. NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Juhye BAE of Yongin-si (KR) for samsung sdi co., ltd., Jin Seok PARK of Yongin-si (KR) for samsung sdi co., ltd., Taeil LEE of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M4/36, H01M4/02, H01M4/04, H01M4/38, H01M4/583

CPC Code(s): H01M4/366



Abstract: disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the negative electrode includes a current collector; a first active material layer on at least one surface of the current collector, and including a first active material, a second active material layer on the first active material layer, and including a second active material, and a third active material layer on the second active material layer, and including a third active material, wherein the first active material includes a first crystalline carbon, the second active material includes a si-carbon composite, and the third active material includes a second crystalline carbon, wherein a porosity a of the first active material layer, a porosity b of the second active material layer, and a porosity c of the third active material layer satisfy a relationship of equation 1 or equation 2:


20250062325. NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Juhye BAE of Yongin-si (KR) for samsung sdi co., ltd., Jin Seok PARK of Yongin-si (KR) for samsung sdi co., ltd., Taeil LEE of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M4/36, H01M4/02, H01M4/04, H01M4/38, H01M4/583

CPC Code(s): H01M4/366



Abstract:


20250062346. SOLID SECONDARY BATTERY AND METHOD OF PREPARING THE SAME_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Hyungsub Lim of Yongin-si (KR) for samsung sdi co., ltd., 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., 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): H01M4/583, H01M4/133, H01M4/1393, H01M4/36, H01M4/38, H01M10/0562, H01M10/0565

CPC Code(s): H01M4/583



Abstract: a solid secondary battery and a method of preparing the same are provided. the solid secondary battery includes a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on at least one side of the cathode current collector. the cathode active material layer includes a composite cathode active material, the composite cathode active material includes a composite of ms, an alkali metal salt, and a two-dimensional carbonaceous structure, wherein m is an alkali metal, the alkali metal being li or na, the two-dimensional carbonaceous structure includes graphene, graphene oxide, reduced graphene oxide, or a combination thereof, and the composite includes a solid solution of the ms and the alkali metal salt.


20250062386. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Min Seung KANG of Yongin-si (KR) for samsung sdi co., ltd., Eun Song LEE of Yongin-si (KR) for samsung sdi co., ltd., Eon Woo PARK of Yongin-si (KR) for samsung sdi co., ltd., Kyung Ho KIM of Yongin-si (KR) for samsung sdi co., ltd., Kyeong Yun PARK of Yongin-si (KR) for samsung sdi co., ltd., Myeong Jun JO of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M10/04, H01M50/46, H01M50/531

CPC Code(s): H01M10/0431



Abstract: a secondary battery includes an electrode assembly including a first separator, a negative electrode plate on the first separator, a second separator on the negative electrode plate, and a positive electrode plate on the second separator, the electrode assembly wound in a jelly-roll shape having a winding start end and a winding finish end, and having a flat portion, and curved portions respectively at one side of the flat portion and at another side of the flat portion, and a finishing tape attached to the winding finish end of the electrode assembly wound in the jelly-roll shape, wherein the positive electrode plate covers an outer surface of the electrode assembly wound in the jelly-roll shape, and has a finish end terminating on the flat portion.


20250062389. RECHARGEABLE BATTERY_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Kyugil CHOI of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M10/04, H01M50/105, H01M50/533

CPC Code(s): H01M10/0431



Abstract: a rechargeable battery includes an electrode assembly with an exterior shape having a central portion between a first round portion and a second round portion, the electrode assembly including a first electrode with a first substrate and a plurality of first tabs, the plurality of first tabs being positioned continuously without interruption over the first round portion and over a portion of the central portion in contact with the first round portion, and the first electrode including a plurality of first folding lines between the first substrate and the plurality of first tabs, respectively, a second electrode with a second substrate and a plurality of second tabs, and a separator between the first electrode and the second electrode, the first electrode, the separator, and the second electrode being wound around centers of two winding axes, and a case configured to accommodate and seal the electrode assembly.


20250062396. SOLID SECONDARY BATTERY, AND MANUFACTURING METHOD THEREOF_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Hyungsub Lim of Yongin-si (KR) for samsung sdi co., ltd., 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., 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): H01M10/0562, H01M4/133, H01M4/1393, H01M4/40, H01M10/0525

CPC Code(s): H01M10/0562



Abstract: a solid secondary battery including a positive electrode layer, a negative electrode layer, and an electrolyte layer provided between the positive electrode layer and the negative electrode layer is provided. the positive electrode layer includes a positive current collector, and a positive active material layer provided on at least one side of the positive current collector, the positive active material layer includes a composite positive active material that includes ms, an alkali metal salt, a two-dimensional carbonaceous nanostructure, and a fibrous carbonaceous material with an aspect ratio of 2 or more, where m is li or na. the two-dimensional carbonaceous nanostructure includes graphene, a graphene oxide, a reduced graphene oxide, or a combination thereof, and the composite positive active material includes a solid solution of ms and the alkali metal salt.


20250062397. SOLID SECONDARY BATTERY, AND METHOD OF PREPARING THE SAME_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Hyungsub Lim 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., 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): H01M10/0562, H01M4/133, H01M4/136, H01M4/1393, H01M4/40

CPC Code(s): H01M10/0562



Abstract: a solid secondary battery may include a cathode layer, an anode layer, and a solid electrolyte layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on one side or two sides of the cathode current collector, the cathode active material layer includes a composite cathode active material, the composite cathode active material includes a composite of i) ms, ii) an alkali metal salt, iii) an inorganic electronically-conductive structure, and iv) a two-dimensional carbonaceous structure or a fibrous carbonaceous material having an aspect ratio of 2 or more, wherein m is an alkali metal, and the alkali metal is li or na, wherein the inorganic electronically-conductive structure has an electronic conductivity of 10s/cm or more, the composite includes a solid solution of the ms and the alkali metal salt, and the two-dimensional carbonaceous structure is graphene, graphene oxide, or a combination thereof.


20250062407. ORGANIC ELECTROLYTE, AND SECONDARY BATTERY COMPRISING SAME_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Aehui GOH of Yongin-si (KR) for samsung sdi co., ltd., Taehyon BAE of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M10/0565, H01M10/0525

CPC Code(s): H01M10/0565



Abstract: the present invention relates to an organic electrolyte including at least one cyclic nitrile-based compound; and at least one chain type nitrile-based compound, and a secondary battery including the same.


20250062414. COMPOSITE PARTICLES FOR NON-AQUEOUS ELECTROLYTE RECHARGEABLE BATTERIES, METHOD OF PREPARING THE SAME, POSITIVE ELECTRODE, AND NON-AQUEOUS ELECTROLYTE RECHARGEABLE BATTERIES_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Kunihiro INUI of Yokohama-shi (JP) for samsung sdi co., ltd., Jinseok BAEK of Yokohama-shi (JP) for samsung sdi co., ltd., Takayoshi FUJITA of Yokohama-shi (JP) for samsung sdi co., ltd.

IPC Code(s): H01M10/0567, H01M4/02, H01M4/131, H01M4/525, H01M10/42

CPC Code(s): H01M10/0567



Abstract: according to various examples, by including a sufficient amount of a flame retardant component in addition to metal hydroxide, an increase in the internal temperature of the battery may be reduced or suppressed, and deterioration of the cycle characteristics of the battery may be reduced or suppressed. the flame retardant component includes a phosphorus element, a phosphorus element and a boron element, or a phosphorus element and a bromine element, and a content of phosphorus element, a sum of the contents of a phosphorus element and a boron element or a sum of the contents of a phosphorus element and a bromine element is greater than or equal to about 18 wt % and less than or equal to about 30 wt % based on 100 wt % of the composite particles for non-aqueous electrolyte rechargeable battery.


20250062423. METHOD AND APPARATUS FOR DIAGNOSING DEFECTIVE BATTERY PACK ASSEMBLY_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Taejin Kim of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M10/42, G01R31/388, G01R31/389, G01R31/392, H01M10/48

CPC Code(s): H01M10/4285



Abstract: provided is a method of diagnosing an assembly defect of a battery pack, the method including calculating an internal resistance value of a battery module including battery cells in the battery pack, calculating an internal resistance value of a battery control unit (bcu) in the battery pack and configured to control charging/discharging of the battery module, and comparing a first voltage value of the battery pack with a second voltage value of the battery pack, the first voltage value being calculated based on the internal resistance value of the battery module and the internal resistance value of the bcu, and the second voltage value being a measured voltage value of the battery pack.


20250062448. RECHARGEABLE BATTERY AND BATTERY MODULE WITH THE SAME_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Heonhee KIM of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M50/103, H01M10/0585, H01M10/0587, H01M10/613, H01M10/647, H01M10/6554, H01M50/15, H01M50/209, H01M50/533, H01M50/54

CPC Code(s): H01M50/103



Abstract: a rechargeable battery includes a can including a top portion and a side portion connected to an edge of the top portion, the top portion having a square shape, and the side portion having four surfaces, an electrode assembly inside the can, the electrode assembly including electrodes stacked between two facing surfaces of the four surfaces of the side portion, and a cap plate coupled to an end portion of the side portion, the cap plate being configured to seal the can.


20250062455. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Han Sol MA of Yongin-si (KR) for samsung sdi co., ltd., Ju Hyung LEE of Yongin-si (KR) for samsung sdi co., ltd., Yo Seob KIM of Yongin-si (KR) for samsung sdi co., ltd., Byung Jin YOON of Yongin-si (KR) for samsung sdi co., ltd., Dae Kyu KIM of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M50/152, H01M50/107, H01M50/167, H01M50/169, H01M50/186

CPC Code(s): H01M50/152



Abstract: a secondary battery includes a cylindrical can, an electrode assembly in the cylindrical can together with an electrolytic solution, and a cap assembly coupled to the top of the cylindrical can, the cap assembly including a cap-up including a cap-up circumference flat portion and a cap-up circumference bent portion bent from the cap-up circumference flat portion in a downward direction and a safety plate coupled to the cap-up circumference flat portion and the cap-up circumference bent portion.


20250062458. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Kwang Soo BAE of Yongin-si (KR) for samsung sdi co., ltd., Jun Sun YONG of Yongin-si (KR) for samsung sdi co., ltd., Jun Hyung LEE of Yongin-si (KR) for samsung sdi co., ltd., Jung Soo KIM of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M50/176, H01M10/0583, H01M50/46, H01M50/557

CPC Code(s): H01M50/176



Abstract: a secondary battery includes: an electrode assembly including a first electrode tab and a second electrode tab, the first electrode tab and the second electrode tab being exposed at opposite sides of the electrode assembly; a first collector electrically coupled to the first electrode tab; a case having two open sides and accommodating the electrode assembly and the first collector therein; a first cap plate sealing one of the open sides of the case; and a first terminal mechanically and electrically coupled to the first collector and exposed to the outside of the first cap plate. the first collector includes a protrusion protruding outwardly and coupled to the first terminal, and the first terminal has a terminal through-hole in which the protrusion is accommodated.


20250062459. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Kwang Soo BAE of Yongin-si (KR) for samsung sdi co., ltd., Jun Sun YONG of Yongin-si (KR) for samsung sdi co., ltd., Jun Hyung LEE of Yongin-si (KR) for samsung sdi co., ltd., Jung Soo KIM of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M50/176, H01M10/0583, H01M50/557

CPC Code(s): H01M50/176



Abstract: a secondary battery includes an electrode assembly including a first electrode tab and a second electrode tab, which are exposed at opposite sides, respectively; a first collector electrically connected to the first electrode tab; a case configured to accommodate the electrode assembly and the first collector and having opposite open sides; a first cap plate configured to seal an opening of a first side of the case; and a first terminal electrically connected to the first collector and exposed to an outside of the first cap plate, and the first collector includes a first collector plate and a second collector plate, the first collector plate includes: a central portion; an edge portion extending from the central portion and coupled to the first electrode tab; and a connection portion, the connection portion including at least one bent part.


20250062461. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Dae Kyu KIM of Yongin-si (KR) for samsung sdi co., ltd., Jong Jun PARK of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M50/184, H01M50/107, H01M50/152, H01M50/186, H01M50/193, H01M50/342

CPC Code(s): H01M50/184



Abstract: a secondary battery includes a cylindrical can, an electrode assembly in the cylindrical can together with an electrolytic solution, and a cap assembly coupled to the top of the cylindrical can, the cap assembly including a cap-up, a safety plate coupled to a lower surface of the cap-up, and an insulation gasket wrapping the cap-up and the safety plate, the insulation gasket filling a gap filling portion between the cap-up and the safety plate.


20250062504. ELECTRODE ASSEMBLY FOR SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Hyung Dong LEE of Yongin-si (KR) for samsung sdi co., ltd., Jae Hyung KIM of Yongin-si (KR) for samsung sdi co., ltd., Seung Il KIM of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M50/538, H01M10/04, H01M10/647

CPC Code(s): H01M50/538



Abstract: an electrode assembly for a battery includes: a positive electrode plate including a positive electrode current collector plate, a positive electrode active material layer on a surface of the plate, at least one uncoated portion at which no positive electrode active material is applied, and at least one positive electrode tab electrically attached and coupled to the uncoated portion, and protruding upwardly from an upper portion of the electrode assembly; a negative electrode plate including a negative electrode current collector plate, a negative electrode active material layer on a surface of the plate, at least one uncoated portion in which no negative electrode active material is applied, at least one negative electrode tab electrically attached and coupled to the uncoated portion, and protruding downwardly from a lower portion of the electrode assembly; and a separator between the positive electrode plate and the negative electrode plate.


20250062511. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Kwang Soo BAE of Yongin-si (KR) for samsung sdi co., ltd., Jun Sun YONG of Yongin-si (KR) for samsung sdi co., ltd., Jun Hyung LEE of Yongin-si (KR) for samsung sdi co., ltd., Jung Soo KIM of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H01M50/567, H01M50/533, H01M50/536, H01M50/557

CPC Code(s): H01M50/567



Abstract: a secondary battery includes: an electrode assembly having a first electrode tab and a second electrode tab exposed on opposite sides, respectively; a first current collection part electrically coupled to the first electrode tab; a case accommodating the electrode assembly and the first current collection part and having opposite sides opened; a first cap plate sealing a first side opening from among the opposite sides of the case; a first terminal mechanically and electrically coupled to the first current collection part and exposed to the outside of the first cap plate; and a blind rivet coupling the first terminal and the first current collection part.


20250062516. BATTERY INSULATION SHEET, MANUFACTURING METHOD THEREOF, AND BATTERY MODULE COMPRISING THE BATTERY INSULATION SHEET_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Myung Heui WOO of Gyeonggi-do (KR) for samsung sdi co., ltd., Ha Na RA of Gyeonggi-do (KR) for samsung sdi co., ltd., Hye Jin PARK of Gyeonggi-do (KR) for samsung sdi co., ltd., Seung Yong YANG of Gyeonggi-do (KR) for samsung sdi co., ltd., Jae Hyun LEE of Gyeonggi-do (KR) for samsung sdi co., ltd., Bo Kyung RYU of Gyeonggi-do (KR) for samsung sdi co., ltd., Sang Hoon KIM of Gyeonggi-do (KR) for samsung sdi co., ltd., Jong Pil HWANG of Ulsan (KR) for samsung sdi co., ltd., Hyung Sek CHOI of Ulsan (KR) for samsung sdi co., ltd., Ho Joon KIM of Ulsan (KR) for samsung sdi co., ltd.

IPC Code(s): H01M50/593, H01M50/122, H01M50/124

CPC Code(s): H01M50/593



Abstract: example embodiments include a battery insulation sheet having a structure in which a first substrate, an aerogel layer, and a second substrate are laminated, wherein opposite surfaces of the aerogel layer is in contact with the first substrate or the second substrate adjacent thereto. example embodiments also include a method of manufacturing a battery insulation sheet, and a battery module including the battery insulation sheet.


20250062627. BATTERY SYSTEM AND OPERATING METHOD OF BATTERY MANAGEMENT SYSTEM_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Dongyoun KANG of Yongin-si (KR) for samsung sdi co., ltd., Jiwon YOO of Yongin-si (KR) for samsung sdi co., ltd., Namik CHO of Seoul (KR) for samsung sdi co., ltd., Junho JO of Incheon (KR) for samsung sdi co., ltd., Keuntek LEE of Anyang-si (KR) for samsung sdi co., ltd., Seokjun YOUN of Seoul (KR) for samsung sdi co., ltd.

IPC Code(s): H02J7/00, H01M10/42, H01M10/48, H03M7/42

CPC Code(s): H02J7/00032



Abstract: a battery system including a plurality of battery cells, a lower controller configured to collect cell voltages of the plurality of battery cells at each sampling period of a plurality of sampling periods, calculate, based on the cell voltages, an average cell voltage and cell voltage deviations, encode the cell voltage deviations into first bit codes by using a first cell voltage huffman code table, and transmit the average cell voltage and the first bit codes at each sampling period of the plurality of sampling periods, and an upper controller configured to receive the average cell voltage and the first bit codes from the lower controller, decode the first bit codes into decoded cell voltage deviations by using a second cell voltage huffman code table, and generate restored cell voltages of the plurality of battery cells by using the average cell voltage and the decoded cell voltage deviations.


20250063110. METHOD AND SYSTEM FOR INTER-LAYER COMMUNICATION OF ENERGY STORAGE SYSTEM, AND COMPUTER PROGRAM STORED IN RECORDING MEDIUM FOR EXECUTING THE METHOD_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Jiwon YOO of Yongin-si (KR) for samsung sdi co., ltd.

IPC Code(s): H04L69/321, H04L12/40

CPC Code(s): H04L69/321



Abstract: a communication method by which an enterprise management system (ems), a system battery management system (bms), and a rack bms included in an energy storage system (ess) communicate with each other, the communication method including receiving, by the system bms from the ems, a transmission control protocol/internet protocol (tcpip) communication command including a controller area network (can) communication command for controlling the rack bms, and converting, by the system bms, tcpip format to can format based on the tcpip communication command and transmitting the converted can communication command to the rack bms.


20250063944. COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY APPARATUS_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Seonyeong GWAK of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Yoonman LEE of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Suheon IM of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Seungjae LEE of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Seungin PARK of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Mijin LEE of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Wook KIM of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Sung-Hyun JUNG of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Hyung Sun KIM of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Ho Kuk JUNG of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Hanill LEE of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd.

IPC Code(s): H10K85/60, C07D403/14, C07D405/14, H10K50/12

CPC Code(s): H10K85/654



Abstract: disclosed are a compound for an organic optoelectronic device represented by chemical formula 1, a composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device.


20250063944. COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY APPARATUS_simplified_abstract_(samsung sdi co., ltd.)

Inventor(s): Seonyeong GWAK of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Yoonman LEE of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Suheon IM of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Seungjae LEE of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Seungin PARK of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Mijin LEE of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Wook KIM of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Sung-Hyun JUNG of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Hyung Sun KIM of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Ho Kuk JUNG of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Hanill LEE of Suwon-si, Gyeonggi-do (KR) for samsung sdi co., ltd.

IPC Code(s): H10K85/60, C07D403/14, C07D405/14, H10K50/12

CPC Code(s): H10K85/654



Abstract: the contents of chemical formula 1 are as defined in the detailed description.


SAMSUNG SDI CO., LTD. patent applications on February 20th, 2025