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公开(公告)号：US20210151792A1
公开(公告)日：2021-05-20
申请号：US17161001
申请日：2021-01-28
Inventor： TATSUYA OSHIMA , IZURU SASAKI , SEIJI NISHIYAMA , AKIRA KAWASE
IPC: H01M10/0562 , H01M10/0525 , H01M4/04 , H01M4/36
Abstract: The present disclosure provides a negative electrode material that can improve the charge-discharge efficiency of a battery. A negative electrode material includes a reduced form of a first solid electrolyte material and a conductive auxiliary. The first solid electrolyte material is denoted by Formula (1): Li60 MβXγ. Herein, in Formula (1), each of α, β, and γ is a value greater than 0, M represents at least one element selected from the group consisting of metal elements except Li and semimetals, and X represents at least one element selected from the group consisting of F, Cl, Br, and I.
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公开(公告)号：US20200343554A1
公开(公告)日：2020-10-29
申请号：US16929289
申请日：2020-07-15
Inventor： TATSUYA OSHIMA , YUTA SUGIMOTO , IZURU SASAKI , AKINOBU MIYAZAKI
IPC: H01M4/62 , H01M4/36 , H01M10/0562 , H01M10/0565 , H01M4/587 , H01M4/133 , H01M10/0525
Abstract: An electrode material includes an electrode active material, a first solid electrolyte material, and a coating material. The first solid electrolyte material includes Li, M, and X and does not include sulfur, where M includes at least one selected from the group consisting of metal elements other than Li and metalloid elements, and X is at least one selected from the group consisting of Cl, Br, and I. The coating material is located on the surface of the electrode active material.
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公开(公告)号：US20250070240A1
公开(公告)日：2025-02-27
申请号：US18947153
申请日：2024-11-14
Inventor： YASUTAKA TSUTSUI , TATSUYA OSHIMA
IPC: H01M10/0562 , H01M4/62 , H01M10/0525 , H01M10/0585
Abstract: The solid electrolyte composition of the present disclosure includes a solid electrolyte and a dialkylamine-based dispersant. The dialkylamine-based dispersant is represented by the following compositional formula (1), wherein R1 is a hydrocarbon group, and R2 and R3 are each independently an alkyl group having 1 or more and 3 or less carbon atoms.
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公开(公告)号：US20240055611A1
公开(公告)日：2024-02-15
申请号：US18494736
申请日：2023-10-25
Inventor： TAKAAKI TAMURA , TATSUYA OSHIMA
IPC: H01M4/62 , H01M4/13 , H01M10/0525
CPC classification number: H01M4/622 , H01M4/13 , H01M4/625 , H01M10/0525
Abstract: The electrode material in an aspect of the present disclosure includes an active material, a conductive fiber including a carbon material, and a binder including an elastomer. The elastomer is a hydrogenated product and includes a repeating unit having an aromatic ring. The content rate of the repeating unit in the elastomer is 15 mass % or more.
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公开(公告)号：US20220216509A1
公开(公告)日：2022-07-07
申请号：US17701684
申请日：2022-03-23
Inventor： IZURU SASAKI , TATSUYA OSHIMA
IPC: H01M10/0562 , H01M10/0525 , H01M10/0585
Abstract: A battery includes a positive electrode, a first electrolyte layer, a second electrolyte layer, a third electrolyte layer, and a negative electrode, which are arranged in the order stated. The first electrolyte layer includes a first solid electrolyte material. The second electrolyte layer includes a second solid electrolyte material. The third electrolyte layer includes a third solid electrolyte material. The second solid electrolyte material has a Young's modulus that is less than a Young's modulus of the first solid electrolyte material and less than a Young's modulus of the third solid electrolyte material. The first solid electrolyte material and the third solid electrolyte material are materials different from each other.
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Patent Agency Ranking
公开(公告)号：US20250070228A1
公开(公告)日：2025-02-27
申请号：US18947212
申请日：2024-11-14
Inventor： TATSUYA OSHIMA , YASUTAKA TSUTSUI , TAKAAKI TAMURA , HIROKI KAMITAKE , AKIRA KAWASE
IPC: H01M10/056
Abstract: A solid electrolyte composition of the present disclosure includes a solvent and an ion conductor including a solid electrolyte, a binder, and a nitrogen-containing organic substance and being dispersed in the solvent. The solid electrolyte includes a sulfide solid electrolyte, the binder includes a styrenic elastomer, and the nitrogen-containing organic substance includes at least one selected from the group consisting of primary amines, secondary amines, aminohydroxy compounds, and diamines. The primary amines, the secondary amines, the aminohydroxy compounds, and the diamines each have at least one selected from the group consisting of chain alkyl groups having 8 or more carbon atoms and chain alkenyl groups having 8 or more carbon atoms. The mass proportion of the nitrogen-containing organic substance to the solid electrolyte is 0.30 mass % or more.
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公开(公告)号：US20240063392A1
公开(公告)日：2024-02-22
申请号：US18495796
申请日：2023-10-27
Inventor： TATSUYA OSHIMA , SEIJI NISHIYAMA , AKIRA KAWASE , YUSUKE NISHIO
IPC: H01M4/62 , H01M4/525 , H01M4/66 , H01M10/052
CPC classification number: H01M4/622 , H01M4/525 , H01M4/663 , H01M4/667 , H01M10/052 , H01M2004/028
Abstract: An electrode includes an active material layer that includes an active material, a solid electrolyte, and a binder and a current collector that includes a substrate and a coating layer coating the substrate and being in contact with the active material layer. The binder includes a block copolymer that includes two first blocks constituted of a repeating unit having an aromatic ring and a second block located between the two first blocks. The weight average molecular weight of the block copolymer is 170,000 or more. The coating layer includes conductive carbon.
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公开(公告)号：US20220077493A1
公开(公告)日：2022-03-10
申请号：US17518588
申请日：2021-11-04
Inventor： TATSUYA OSHIMA , IZURU SASAKI , YUTA SUGIMOTO , SEIJI NISHIYAMA , AKINOBU MIYAZAKI
IPC: H01M10/0562 , H01M4/04 , H01M10/0525 , H01B1/12
Abstract: An ion conductor material includes a solid-electrolyte material and a resin binder. The solid-electrolyte material includes Li, M, and X. The M is at least one selected from the group consisting of metal and metalloid elements other than Li. The X is at least one selected from the group consisting of F, Cl, Br, and I. The molar ratio of a modification group included in the resin binder to the solid-electrolyte material is less than or equal to 0.0002.
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公开(公告)号：US20250070239A1
公开(公告)日：2025-02-27
申请号：US18946950
申请日：2024-11-14
Inventor： TATSUYA OSHIMA , YASUTAKA TSUTSUI , TAKAAKI TAMURA , HIROKI KAMITAKE , AKIRA KAWASE
IPC: H01M10/0562
Abstract: A solid electrolyte composition of the present disclosure includes a solvent and an ion conductor including a solid electrolyte, a binder, and a nitrogen-containing organic substance and being dispersed in the solvent. The solid electrolyte includes a sulfide solid electrolyte, the binder includes a styrenic elastomer, and the nitrogen-containing organic substance is represented by the following compositional formula (1). Where, R1 is a chain alkyl group having 7 or more and 21 or less carbon atoms or a chain alkenyl group having 7 or more and 21 or less carbon atoms, R2 is —CH2—, —CO—, or —NH(CH2)3—, and R3 and R4 are each independently a chain alkyl group having 1 or more and 22 or less carbon atoms, a chain alkenyl group having 2 or more and 22 or less carbon atoms, or hydrogen.
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公开(公告)号：US20250030046A1
公开(公告)日：2025-01-23
申请号：US18905147
申请日：2024-10-03
Inventor： TATSUYA OSHIMA
IPC: H01M10/0562 , H01M4/04 , H01M10/058
Abstract: A solid electrolyte composition according to the present disclosure contains a solvent and an ionic conductor containing a solid electrolyte and a binder and dispersed in the solvent, wherein the binder contains a styrene elastomer, and the styrene elastomer has a total nitrogen content of 30 ppm or more and 130 ppm or less.
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