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1.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：US10193152B2
公开(公告)日：2019-01-29
申请号：US15260540
申请日：2016-09-09
IPC分类号： H01M4/525 , H01M10/0525 , C01G53/00
摘要： A lithium ion secondary battery including: a cathode including a plurality cathode active material particles; an electrolyte; and an anode, wherein a cathode active material particle of the plurality of cathode active material particles has a plate-shaped crystal structure having an aspect ratio of 2 to 1000, wherein a major surface in at least one direction of the plate-shaped crystal structure is a 111 face, wherein the cathode active material particle also has a spinel-type crystal structure, and wherein the cathode active material particle has a composition represented by the formula LiCo2-xNixO4, wherein 0
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公开(公告)号：US10854877B2
公开(公告)日：2020-12-01
申请号：US16113100
申请日：2018-08-27
IPC分类号： H01M4/58 , H01M4/136 , H01M10/0525 , H01M4/38 , H01M4/36 , H01M10/052 , H01M4/62 , H01M10/0562 , H01M4/02
摘要： An all-solid-state secondary battery including: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer between the positive electrode layer and the negative electrode layer, wherein the positive electrode layer includes a sulfur-containing positive electrode active material, a halogen-containing sulfide solid electrolyte, and a conductive carbon material, and wherein the sulfur-containing positive electrode active material includes elemental sulfur and a transition metal disulfide.
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公开(公告)号：US10186730B2
公开(公告)日：2019-01-22
申请号：US15209922
申请日：2016-07-14
发明人： Ryo Omoda , Yuichi Aihara , Seitaro Ito , Takanobu Yamada
IPC分类号： H01M10/0562 , H01M4/136 , H01M4/505 , H01M4/38 , H01M4/58 , H01M4/525 , H01M10/052 , H01M10/056
摘要： An electrolyte for a secondary battery, the electrolyte including: an organic solvent; and a lithium ion conductive solid electrolyte represented by the formula LiaPbSc wherein 3
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公开(公告)号：US10340506B2
公开(公告)日：2019-07-02
申请号：US14951624
申请日：2015-11-25
IPC分类号： H01M4/131 , H01M4/485 , H01M4/62 , H01M10/0525 , H01M10/0562 , H01M4/36 , H01M4/505
摘要： A positive electrode for a lithium ion secondary battery, the positive electrode including a positive electrode particle including a positive active material particle, wherein the positive electrode particle comprises a first coating layer on a surface of the positive active material particle wherein the first coating layer includes a carbonaceous material, and a second coating layer on the first coating layer, wherein the second coating layer includes a lithium-containing compound, and a sulfide solid electrolyte contacting the positive electrode particle.
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公开(公告)号：US10128507B2
公开(公告)日：2018-11-13
申请号：US14098622
申请日：2013-12-06
发明人： Seitaro Ito , Satoshi Fujiki , Takanobu Yamada , Yuichi Aihara
IPC分类号： H01M4/62 , H01M4/36 , H01M10/0562 , H01M4/131 , H01M10/052 , H01M4/1391
摘要： A lithium secondary battery including: a positive electrode, a negative electrode, and a sulfide solid electrolyte disposed between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material particle and a coating film including an oxide including lithium (Li) and zirconium (Zr) on a surface of the positive active material particle.
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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：US11217785B2
公开(公告)日：2022-01-04
申请号：US15871245
申请日：2018-01-15
IPC分类号： H01M4/36 , H01M10/0525 , H01M10/0562 , H01M4/131 , H01M4/525 , H01M4/505 , H01M4/02
摘要： A composite cathode active material including: a core particle; a first coating layer; and a second coating layer; wherein the core particle includes a cathode active material, the first and second coating layers cover a surface of the core particle, the first coating layer includes a first lithium-containing compound, wherein the first lithium-containing compound includes zirconium, niobium, titanium, aluminum, or a combination thereof, the second coating layer includes a second lithium-containing compound, wherein the second lithium-containing compound includes germanium, niobium, gallium, or a combination thereof, and the first lithium-containing compound is different from the second lithium-containing compound.
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公开(公告)号：US11127974B2
公开(公告)日：2021-09-21
申请号：US16394015
申请日：2019-04-25
发明人： Seitaro Ito , Tomoyuki Tsujimura , Yuichi Aihara , Nobuya Machida
IPC分类号： H01M10/0562 , H01M10/0525 , H01M10/058
摘要： A method of preparing a sulfide solid electrolyte, the method including: first contacting a starting materials including Li2S, P2S5, and LiI in a first solvent to provide a precursor; and second contacting the precursor with a second solvent to prepare the sulfide solid electrolyte, wherein the first solvent includes a C1-C3 alkyl group or a cyclic ether compound which is unsubstituted or substituted with a C1-C3 alkoxy group, and the second solvent includes a C1-C10 hydrocarbon substituted with a C1 to C6 alkoxy group.
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