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公开(公告)号：US10050265B2
公开(公告)日：2018-08-14
申请号：US14955137
申请日：2015-12-01
发明人： Ryo Omoda , Takanobu Yamada , Haruhisa Nakano , Hirohiko Murakami , Naoki Tsukahara , Tatsuhiro Nozue , Yoshiaki Fukuda , Yuichi Aihara
摘要： A positive electrode for an alkali metal-sulfur battery, the positive electrode including: a porous conductive material layer including a plurality of nanocarbon structures of a conductive material, wherein the conductive material defines a plurality of pores between the plurality of nanocarbon structures of the conductive material; sulfur, which is contained in the plurality of pores of the porous conductive material layer; and a polymer film disposed directly on at least a portion of the porous conductive material layer.
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公开(公告)号：US12119479B2
公开(公告)日：2024-10-15
申请号：US17471268
申请日：2021-09-10
发明人： Satoshi Fujiki , Seitaro Ito , Taku Watanabe , Yuichi Aihara , Takanobu Yamada
IPC分类号： H01M4/134 , H01M4/04 , H01M4/1395 , H01M4/38 , H01M10/0525 , H01M10/44 , H01M4/02 , H01M4/42 , H01M4/66
CPC分类号： H01M4/134 , H01M4/0404 , H01M4/1395 , H01M4/38 , H01M10/0525 , H01M10/44 , H01M2004/027 , H01M4/387 , H01M4/42 , H01M4/661 , H01M2300/0068
摘要： An anode for an all solid-state secondary battery, the anode including an anode collector, and coating lithium distribution layer disposed on the anode collector, wherein the lithium distribution layer includes a metal capable of forming an alloy with lithium.
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公开(公告)号：US11437643B2
公开(公告)日：2022-09-06
申请号：US16280610
申请日：2019-02-20
IPC分类号： H01M10/04 , H01M4/133 , H01M4/38 , H01M4/46 , H01M10/0562 , H01M4/1397 , H01M4/58
摘要： An all-solid-state secondary battery including: a positive electrode active material layer including a positive electrode active material and a sacrificial positive electrode material having an oxidation-reduction potential which is less than a discharge voltage of the positive electrode active material; and a negative electrode active material layer including a negative electrode active material including an element alloyable with lithium or that forms a compound with lithium; and a solid electrolyte layer between the positive electrode active material layer and the negative electrode active material layer, wherein the sacrificial positive electrode material includes a sacrificial active material and a conductive agent.
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公开(公告)号：US11289707B2
公开(公告)日：2022-03-29
申请号：US16550482
申请日：2019-08-26
发明人： Yonggun Lee , Toshinori Sugimoto , Saebom Ryu , Yuichi Aihara , Dongmin Im
IPC分类号： H01M4/62 , H01M10/0562 , H01M4/02
摘要： An all-solid secondary battery including: a cathode; an anode; and a solid electrolyte layer interposed between the cathode and the anode, wherein the cathode includes a cathode active material, wherein the anode includes an anode current collector and an anode active material layer on the anode current collector, wherein the anode active material layer includes a binder and an anode active material that does not include an alkali metal, wherein the binder includes a polymer main chain and a polyvinyl alcohol-containing copolymer, and wherein the polymer main chain includes polyvinyl alcohol, a polyvinyl alcohol derivative, or a combination thereof, and the polyvinyl alcohol-containing copolymer has at least one repeating unit linked to the polymer main chain.
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公开(公告)号：US10811726B2
公开(公告)日：2020-10-20
申请号：US16180552
申请日：2018-11-05
发明人： Yuichi Aihara , Tomoyuki Tsujimura
IPC分类号： H01M10/0562 , H01M10/0525 , H01M4/36 , H01M4/58 , H01M4/13 , H01M10/0585 , H01M10/0561 , H01M4/525 , H01M4/02 , H01M4/505
摘要： A solid electrolyte for an all-solid secondary battery, wherein the solid electrolyte has a composition represented by Formula (1): Li7-xPS6-xBrx (1) wherein 1.2
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公开(公告)号：US09819019B2
公开(公告)日：2017-11-14
申请号：US14567389
申请日：2014-12-11
发明人： Satoshi Fujiki , Heidy Visbal , Hajime Tsuchiya , Yuichi Aihara
IPC分类号： H01M4/525 , H01M10/0562 , H01M10/058 , H01M10/052 , H01M2/02 , H01M10/04
CPC分类号： H01M4/525 , H01M2/0285 , H01M2/0287 , H01M10/0404 , H01M10/052 , H01M10/0562 , H01M10/058 , H01M2300/0068 , Y10T29/49108
摘要： An all solid secondary battery including: an exterior body; a cathode including a cathode active material including a transition metal oxide, an anode; and a solid electrolyte layer disposed between the cathode and the anode, wherein the cathode, the anode, and the solid electrolyte layer are disposed in the exterior body, wherein the transition metal oxide is a lithium composite transition metal oxide that contains nickel and at least one metal element other than nickel that belongs to Group 2 to Group 13 of the periodic table, and wherein the total of partial pressures of carbon dioxide and oxygen in the exterior body is 200 pascals or less.
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公开(公告)号：US12126005B2
公开(公告)日：2024-10-22
申请号：US18157105
申请日：2023-01-20
发明人： Naoki Suzuki , Nobuyoshi Yashiro , Yuichi Aihara
IPC分类号： H01M10/0562 , H01M4/133 , H01M4/134 , H01M4/36 , H01M4/38 , H01M4/583 , H01M4/587 , H01M10/052 , H01M10/0585 , H01M4/02
CPC分类号： H01M4/133 , H01M4/134 , H01M4/364 , H01M4/38 , H01M4/587 , H01M10/052 , H01M10/0562 , H01M10/0585 , H01M2004/027 , H01M2300/008
摘要： An all-solid lithium secondary battery, including: a cathode including a cathode active material layer; a solid electrolyte layer; and an anode including an anode active material layer, which forms an alloy or a compound with lithium, wherein the cathode, the solid electrolyte is between the cathode and the anode, wherein the anode active material layer includes about 33 weight percent to about 95 weight percent of an amorphous carbon with respect to the total mass of an anode active material in the anode active material layer, and a ratio of the initial charge capacity of the cathode active material layer to the initial charge capacity of the anode active material layer satisfies 0.01
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8.发明授权公开(公告)号：US11984552B2
公开(公告)日：2024-05-14
申请号：US16683457
申请日：2019-11-14
发明人： Seitaro Ito , Tomoyuki Tsujimura , Yuichi Aihara
IPC分类号： H01M10/0562 , C01G53/00 , H01M4/38 , H01M4/505 , H01M4/525 , H01M10/0585
CPC分类号： H01M10/0562 , C01G53/42 , C01G53/50 , H01M4/382 , H01M4/505 , H01M4/525 , H01M10/0585 , C01P2002/72 , C01P2006/40 , H01M2300/0068
摘要： An all-solid secondary battery includes: a cathode layer including a cathode active material; an anode layer; and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein at least one of the cathode layer, the anode layer, or the solid electrolyte layer includes a phase-transition solid electrolyte material, wherein upon heating, the phase-transition solid electrolyte material undergoes a phase transition from a first phase to a second phase, and the second phase has an ionic conductivity less than the ionic conductivity of the first phase.
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公开(公告)号：US11955602B2
公开(公告)日：2024-04-09
申请号：US17551299
申请日：2021-12-15
发明人： Tomoyuki Tsujimura , Naoki Suzuki , Yuichi Aihara
IPC分类号： H01M10/0562 , H01M10/052 , H01M4/62
CPC分类号： H01M10/0562 , H01M10/052 , H01M4/62 , H01M4/625 , H01M2300/0068
摘要： A solid electrolyte for an all-solid secondary battery, the solid electrolyte including: Li, S, P, an M1 element, and an M2 element, wherein the M1 element is at least one element selected from Na, K, Rb, Sc, Fr, and the M2 element is at least one element selected from F, Cl, Br, I, molar amounts of lithium and the M1 element satisfy 0
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公开(公告)号：US11929463B2
公开(公告)日：2024-03-12
申请号：US18163963
申请日：2023-02-03
IPC分类号： H01M10/44 , H01M4/133 , H01M4/36 , H01M4/38 , H01M4/587 , H01M4/66 , H01M10/0525 , H01M10/0562 , H01M10/0585 , H01M4/02 , H01M10/42
CPC分类号： H01M10/0585 , H01M4/133 , H01M4/364 , H01M4/366 , H01M4/382 , H01M4/587 , H01M4/667 , H01M10/0525 , H01M10/0562 , H01M10/44 , H01M2004/021 , H01M2004/027 , H01M2010/4292
摘要： An all-solid-state secondary battery including: a cathode including a cathode active material layer; an anode including an anode current collector, and an anode active material layer on the anode current collector, wherein the anode active material layer includes an anode active material which is alloyable with lithium or forms a compound with lithium; and a solid electrolyte layer between the cathode and the anode, wherein a ratio of an initial charge capacity (b) of the anode active material layer to an initial charge capacity (a) of the cathode active material layer satisfies a condition of Equation 1: 0.01
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