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公开(公告)号：US20250070401A1
公开(公告)日：2025-02-27
申请号：US18747051
申请日：2024-06-18
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Ilya GOMBATS , Fritz HARING
IPC: H01M50/519 , H01M10/42 , H01M10/48 , H01M50/489 , H01M50/516 , H01M50/528 , H01M50/583
Abstract: A battery system includes a battery pack including a plurality of battery cells; a cell monitoring circuit; and a conductor arrangement including a plurality of conductor lines, a flexible flat cable, and a plurality of printed circuit boards that overlap with the flexible flat cable, a first end of the conductor lines being connected to the cell monitoring circuit via the flexible flat cable, and a second end of the conductor lines being electrically connected to live parts of the battery cells via the printed circuit boards.
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公开(公告)号：US20250070339A1
公开(公告)日：2025-02-27
申请号：US18434500
申请日：2024-02-06
Applicant: Samsung SDI Co., Ltd
Inventor： Seo Young KIM , Dae Kyung HAN
IPC: H01M50/166 , H01M50/103 , H01M50/15
Abstract: A secondary battery includes: a case having a prismatic shape; an electrode assembly in the case; and a cap assembly including a cap plate coupled to one end of the case, wherein the case includes a coupling portion provided in a shape concave from an inner surface toward an outer side along an upper region of at least some surfaces thereof, and the coupling portion includes an inclined surface, a connection surface, and a stepped portion.
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公开(公告)号：US20250070154A1
公开(公告)日：2025-02-27
申请号：US18814141
申请日：2024-08-23
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Byungwuk KANG , Young-Ki KIM , Sungwook DOO , Sung Ho CHOO , Dowook JUN , Gwiwoon KANG , Jaeyong JEONG , Youngsun KONG , Jaesang YOON , Seok Mun KANG
Abstract: A positive electrode active material, a method of preparing the same, a positive electrode and a rechargeable lithium battery including the same are disclosed. The positive electrode active material includes core particles including a layered lithium nickel-manganese-based composite oxide, a first coating layer disposed on a surface of the core particles and containing Al, and a second coating layer disposed on the first coating layer and containing Mn.
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公开(公告)号：US20250070132A1
公开(公告)日：2025-02-27
申请号：US18672314
申请日：2024-05-23
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Narae KIM , Deok-Hyun Kim , Youngugk Kim , Eunji Kang , Jaewon Kim , IIyoung Choi , Hyejin Kim , Yookyung Kim , Banseok Lee
Abstract: A negative electrode active material, including silicon nanoparticles including an amorphous carbon coating layer on a surface of the silicon nanoparticles; and pores, wherein the negative electrode active material has a sphericity as represented by Equation 1 of about 0.9 to about 1.0, and the pores include mesopores, and a ratio of a mesopores volume relative to a total pore volume of the negative electrode active material is about 30% or more and less than about 70%, and Sphericity ( S ) = 4 π × A / B 2 [ Equation 1 ] in Equation 1, A is an area of the negative electrode active material and B is a circumference of a shape of the negative electrode active material.
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5.发明申请公开(公告)号：US20250068066A1
公开(公告)日：2025-02-27
申请号：US18793603
申请日：2024-08-02
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Young Keun KIM , Sukil KANG
Abstract: A semiconductor photoresist composition includes: an organometallic compound represented by Chemical Formula 1; and a solvent: Further, a method of forming patterns includes: forming an etching-objective layer on a substrate; coating the semiconductor photoresist composition as claimed in claim 1 on the etching-objective layer to form a photoresist layer; patterning the photoresist layer to form a photoresist pattern; and etching the etching-objective layer using the photoresist pattern as an etching mask.
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Patent Agency Ranking
公开(公告)号：US20250063944A1
公开(公告)日：2025-02-20
申请号：US18723560
申请日：2023-02-14
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Seonyeong GWAK , Yoonman LEE , Suheon IM , Seungjae LEE , Seungin PARK , Mijin LEE , Wook KIM , Sung-Hyun JUNG , Hyung Sun KIM , Ho Kuk JUNG , Hanill LEE
IPC: H10K85/60 , C07D403/14 , C07D405/14 , H10K50/12
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.
The contents of Chemical Formula 1 are as defined in the detailed description.-
公开(公告)号：US20250062627A1
公开(公告)日：2025-02-20
申请号：US18648610
申请日：2024-04-29
Inventor： Dongyoun KANG , Jiwon YOO , Namik CHO , Junho JO , Keuntek LEE , Seokjun YOUN
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.
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公开(公告)号：US20250062407A1
公开(公告)日：2025-02-20
申请号：US18936846
申请日：2024-11-04
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Aehui GOH , Taehyon BAE
IPC: H01M10/0565 , H01M10/0525
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.
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公开(公告)号：US20250062397A1
公开(公告)日：2025-02-20
申请号：US18497764
申请日：2023-10-30
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Hyungsub Lim , Inhyuk Son , Sungnim Jo , Kyueun Shim , Taehyun Park , Jieun Lee
IPC: H01M10/0562 , H01M4/133 , H01M4/136 , H01M4/1393 , H01M4/40
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) M2S, 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 10−3 S/cm or more, the composite includes a solid solution of the M2S and the alkali metal salt, and the two-dimensional carbonaceous structure is graphene, graphene oxide, or a combination thereof.
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10.发明申请公开(公告)号：US20250062321A1
公开(公告)日：2025-02-20
申请号：US18671548
申请日：2024-05-22
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Juhye BAE , Jin Seok PARK , Hyun NAM , Taeil LEE
IPC: H01M4/36 , H01M4/02 , H01M4/38 , H01M4/583 , H01M10/052
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.
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