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公开(公告)号：US20240363866A1
公开(公告)日：2024-10-31
申请号：US18641550
申请日：2024-04-22
Applicant: Factorial Inc.
Inventor： Won Seok Chang , Takaaki Miki , Hosang Park , Jae Myung Lee , Hyun Seok Kim
IPC: H01M4/62 , H01M4/02 , H01M10/0525 , H01M10/0562
CPC classification number: H01M4/62 , H01M10/0562 , H01M2004/021 , H01M2004/027 , H01M10/0525 , H01M2300/0068
Abstract: Disclosed is a coating comprising two elements (A and B) and a carbonaceous material, wherein element A is alloyable with lithium and element B is not alloyable with lithium. Methods for preparing the coating and all solid-state battery (ASSB) comprising the same are also disclosed. In one embodiment, ASSB comprising the coating exhibits a reduced charging overpotential and an improved specific capacity and cycle life.
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公开(公告)号：US20240356031A1
公开(公告)日：2024-10-24
申请号：US18629941
申请日：2024-04-09
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Lingyun Feng , Yanhuang Fan
CPC classification number: H01M4/62 , C01B25/425 , C01B25/45 , H01M4/131 , H01M4/366 , H01M4/5825 , C01P2004/84 , C01P2006/40 , H01M2004/028
Abstract: Provided are a positive electrode active material composition, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric device. In particular, the present application provides a positive electrode active material composition, including a positive electrode active material and a dispersant. The positive electrode active material composition of the present application can improve the poor dispersion of the positive electrode active material powder and the high viscosity of the slurry during the preparation of the positive electrode slurry, and further improve flexibility of the positive electrode plate.
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3.发明公开公开(公告)号：US20240339620A1
公开(公告)日：2024-10-10
申请号：US18681794
申请日：2022-08-17
Applicant: LG ENERGY SOLUTION, LTD. , IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
Inventor： Daejin LEE , Hoejin HAH , Seung Bo HONG , Si Eun LEE , Young Jun LEE , Dong Won KIM
IPC: H01M4/62 , H01M4/02 , H01M4/40 , H01M10/0525 , H01M10/0562
CPC classification number: H01M4/623 , H01M4/405 , H01M4/62 , H01M4/625 , H01M10/0525 , H01M10/0562 , H01M2004/028 , H01M2300/0068 , H01M2300/008
Abstract: The present disclosure relates to a positive electrode for an all-solid-state battery, comprising: a positive electrode active material; a perfluorinated ionomer comprising lithium substituted sulfonate; a solid electrolyte; and conductive carbon, and an all-solid-state battery comprising the same.
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公开(公告)号：US20240339613A1
公开(公告)日：2024-10-10
申请号：US18628092
申请日：2024-04-05
Applicant: Ningde Amperex Technology Limited
Inventor： Xiaoping LIN
IPC: H01M4/62 , H01M4/02 , H01M4/131 , H01M10/0525
CPC classification number: H01M4/62 , H01M4/131 , H01M10/0525 , H01M2004/021 , H01M2004/028
Abstract: A positive electrode plate includes a positive electrode current collector and a positive electrode material layer provided on at least one surface of the positive electrode current collector. The positive electrode material layer includes one-dimensional ion-conducting fiber and a positive electrode active material. The one-dimensional ion-conducting fiber has a diameter of 0.1 μm to 10 μm and a length-diameter ratio of greater than or equal to 1.5. A mass ratio of the one-dimensional ion-conducting fiber to the positive electrode active material is 0.01:1 to 0.2:1.
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公开(公告)号：US20240332633A1
公开(公告)日：2024-10-03
申请号：US18737839
申请日：2024-06-07
Applicant: Sakuu Corporation
Inventor： Steven Zhichao SHI , Philip Eugene ROGREN
IPC: H01M10/0585 , B29C64/106 , B33Y80/00 , H01M4/02 , H01M4/04 , H01M4/13 , H01M4/139 , H01M4/62 , H01M4/64 , H01M4/66 , H01M10/052 , H01M10/0562 , H01M50/112 , H01M50/117 , H01M50/183 , H01M50/30
CPC classification number: H01M10/0585 , B29C64/106 , B33Y80/00 , H01M4/0402 , H01M4/0416 , H01M4/0471 , H01M4/13 , H01M4/139 , H01M4/62 , H01M4/624 , H01M4/625 , H01M4/626 , H01M4/64 , H01M4/661 , H01M4/663 , H01M4/664 , H01M4/666 , H01M10/052 , H01M10/0562 , H01M50/117 , H01M50/183 , H01M50/30 , H01M50/394 , H01M2004/021 , H01M2004/024 , H01M4/043 , H01M50/112 , H01M2300/0068
Abstract: An electrochemical cell is provided, which includes a cathode comprising a three dimensional (3D) porous cathode structure, an anode, an electrolyte separator, comprised of a ceramic material, located between the cathode and the anode, and a cathode current collector, wherein the cathode is located between the cathode current collector and the electrolyte separator. The 3D porous cathode structure includes ionically conducting electrolyte strands extending through the cathode from the cathode current collector to the electrolyte separator, pores extending through the cathode from the cathode current collector to the electrolyte separator, and an electronically conducting network extending on sidewall surfaces of the pores from the cathode current collector to the electrolyte separator.
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Patent Agency Ranking
公开(公告)号：US20240332532A1
公开(公告)日：2024-10-03
申请号：US18621163
申请日：2024-03-29
Applicant: Ningde Amperex Technology Limited
Inventor： Meifeng CHEN
CPC classification number: H01M4/62 , H01M2004/021 , H01M2004/028
Abstract: A secondary battery includes a positive electrode plate, where the positive electrode plate has a resistance of R Ω, R ranges from 0.5 to 2. The positive electrode plate includes a positive electrode current collector and a positive electrode active material layer, where the positive electrode active material layer is arranged on at least one surface of the positive electrode current collector. The positive electrode active material layer includes positive electrode active material particles and chelated particles, where the chelated particles include an organic compound containing a cyano group. Within at least one region of 5 μm×5 μm of the positive electrode active material layer, a ratio of a quantity of the chelated particles to a quantity of the positive electrode active material particles ranges from 0.01 to 0.5. The secondary battery provided in this application can have good thermal safety performance and rate performance.
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公开(公告)号：US12107209B2
公开(公告)日：2024-10-01
申请号：US17462507
申请日：2021-08-31
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Yasunobu Yamashita , Tetsuya Sasakawa , Yasuhiro Harada , Norio Takami , Shinsuke Matsuno
IPC: H01M10/0525 , B60L50/64 , H01M4/131 , H01M4/485 , H01M4/62 , H01M10/058 , H01M50/249 , H01M4/02
CPC classification number: H01M10/0525 , B60L50/64 , H01M4/131 , H01M4/485 , H01M4/62 , H01M10/058 , H01M50/249 , H01M2004/027 , H01M2220/20
Abstract: According to an embodiment, an electrode group is provided. The electrode group includes a positive electrode, and a negative electrode. The negative electrode active material-containing layer includes a facing section which faces the positive electrode active material-containing layer and a non-facing section which does not. A first fluorine-containing coating is formed on a main surface of the negative electrode active material-containing layer in at least a part of the non-facing section. The abundance ratio of fluorine atoms included in the first fluorine-containing coating is in the range of 2.5 atom % to 10 atom %.
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公开(公告)号：US20240317690A1
公开(公告)日：2024-09-26
申请号：US18661081
申请日：2024-05-10
Applicant: HYDRO-QUÉBEC , MURATA MANUFACTURING CO., LTD.
Inventor： Charlotte MALLET , Sylviane ROCHON , Antoine LAFLEUR-LAMBERT , Shinichi UESAKA , Karim ZAGHIB
IPC: C07D233/90 , C07C311/51 , C07D207/448 , C07D233/72 , C07D233/96 , H01M4/60 , H01M4/62 , H01M10/0525 , H01M10/0567 , H01M10/0569
CPC classification number: C07D233/90 , C07C311/51 , C07D207/448 , C07D233/72 , C07D233/96 , H01M4/60 , H01M4/62 , H01M10/0525 , H01M10/0567 , H01M10/0569
Abstract: Here are described compounds for use as electrode additives or as salts in electrolyte compositions, and their methods of preparation. Also described are electrochemical cells comprising the compounds as electrode additives or as salts in electrolyte compositions.
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公开(公告)号：US12100800B2
公开(公告)日：2024-09-24
申请号：US17231886
申请日：2021-04-15
Applicant: Lawrence Livermore National Security, LLC
Inventor： Jianchao Ye , Jose Ali Espitia , John Miller , Marissa Wood
IPC: H01M10/0562 , C01G25/00 , C23C16/40 , C23C16/455 , H01M4/02 , H01M4/62 , H01M10/0525
CPC classification number: H01M10/0562 , C01G25/006 , C23C16/40 , C23C16/45555 , H01M4/62 , H01M10/0525 , C01P2002/52 , C01P2002/72 , C01P2004/03 , C01P2004/84 , C01P2006/40 , H01M2004/028 , H01M2300/0077 , H01M2300/0094
Abstract: A product includes a solid state electrolyte particle coated with a coating consisting essentially of metal oxide. A method includes depositing a coating on a solid state electrolyte particle by atomic layer deposition. A method includes fabricating a product using a plurality of solid state electrolyte particles coated with a coating consisting essentially of metal oxide.
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公开(公告)号：US12095083B2
公开(公告)日：2024-09-17
申请号：US16809332
申请日：2020-03-04
Applicant: UCHICAGO ARGONNE, LLC
Inventor： Tongchao Liu , Khalil Amine
CPC classification number: H01M4/505 , C01G53/50 , H01M4/366 , H01M4/525 , H01M4/62 , C01P2002/20 , C01P2002/32 , C01P2002/52 , C01P2004/32 , C01P2004/84 , C01P2006/40 , H01M2004/021 , H01M2004/028
Abstract: A cathode active material includes a composition expressed as:
Li1+β(NixMnyCoz)M1α(Nix′Mny′Coz′)M21-αO2; or
Na1+β(NixMnyCoz)M1α(Nix′Mny′Coz′)M21-αO2;
where: M1 represents a core composition comprising of Ni, Mn, and/or Co or a combination of at two of thereof; M2 represents a surface composition having at least 50% Co, and, optionally Ni and/or Mn; the structure of M2 may be a composite structure and includes a rock-salt or disordered rock-salt phase; 0.5≤α
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