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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：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：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：US09966629B2
公开(公告)日：2018-05-08
申请号：US14698691
申请日：2015-04-28
发明人： William D. Richards , Shyue Ping Ong , Yifei Mo , Gerbrand Ceder , Lincoln Miara , Tomoyuki Tsujimura , Yan Wang , Young-Gyoon Ryu , Naoki Suzuki , Ichiro Uechi
IPC分类号： H01M10/39 , H01M10/0562 , C01B25/14 , H01M4/38 , H01M10/05
CPC分类号： H01M10/0562 , C01B25/14 , C01P2002/30 , C01P2002/72 , C01P2006/40 , H01M4/381 , H01M10/05 , H01M2300/0068
摘要： A sodium-conductive solid-state electrolyte material includes a compound of the composition Na10MP2S12, wherein M is selected from Ge, Si, and Sn. The material may have a conductivity of at least 1.0×10−5 S/cm at a temperature of about 300K and may have a tetragonal microstructure, e.g., a skewed P1 crystallographic structure. Also provided are an electrochemical cell that includes the sodium-conductive solid-state electrolyte material and a method for producing the sodium-conductive solid electrolyte material via controlled thermal processing parameters.
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公开(公告)号：US20170040637A1
公开(公告)日：2017-02-09
申请号：US15226179
申请日：2016-08-02
发明人： Gerbrand CEDER , Jaechul Kim , Lincoln Miara , William Richards , Tomoyuki Tsujimura , Yan Wang , Naoki Suzuki
IPC分类号： H01M10/0562 , H01M10/0525
CPC分类号： H01M10/0562 , C01B17/22 , C01B25/14 , H01M10/0525 , H01M2220/20 , H01M2300/0065 , Y02E60/122 , Y02T10/7011
摘要： A solid electrolyte material represented by Formula 1: L1+2x(M1)1-x(M2)(M3)4 Formula 1 wherein 0.25
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公开(公告)号：US11799126B2
公开(公告)日：2023-10-24
申请号：US16886897
申请日：2020-05-29
IPC分类号： H01M10/0562 , H01M10/0569 , H01M10/0525 , H01M4/38 , H01M4/04 , C01B17/22 , H01M10/052
CPC分类号： H01M10/0562 , C01B17/22 , H01M4/0471 , H01M4/382 , H01M4/386 , H01M10/0525 , H01M10/0569 , C01P2002/72 , C01P2002/74 , H01M10/052 , H01M2300/0068
摘要： A method of preparing a solid electrolyte and an all-solid battery including a solid electrolyte prepared by the method, the method including: contacting a first solvent and a first starting material comprising an alkali metal, sulfur, phosphorus, an element M, or a combination thereof to form a first solution; precipitating a first precursor from the first solution; contacting a second solvent, the first precursor, and a second starting material comprising an alkali metal, sulfur, phosphorus, an element M, or a combination thereof to form a second solution; precipitating a second precursor from the second solution; and heat treating the second precursor to prepare the solid electrolyte, wherein the element M comprises an element of Group 14 of the Periodic Table of the Elements, and the element M and the alkali metal in the first starting material and the second starting material are the same or different.
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公开(公告)号：US11532813B2
公开(公告)日：2022-12-20
申请号：US17106561
申请日：2020-11-30
发明人： Tomoyuki Tsujimura , Yuichi Aihara
IPC分类号： H01M4/36 , H01M4/62 , H01M4/505 , H01M4/525 , H01M10/0562 , H01M10/0525 , H01M4/02
摘要： A composite cathode active material includes a cathode active material particle; and a coating layer on a surface of the cathode active material particle, wherein the coating layer includes an acetate, wherein the acetate comprises an alkali metal acetate, an alkaline earth metal acetate, a transition metal acetate, or a combination thereof, or a derivative thereof.
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公开(公告)号：US10930927B2
公开(公告)日：2021-02-23
申请号：US15970144
申请日：2018-05-03
申请人： Samsung Electronics Co., Ltd. , The Regents of the University of California , Massachusetts Institute of Technology
发明人： Lincoln Miara , Yan Wang , Tomoyuki Tsujimura , Yuichi Aihara , William Richards , Gerbrand Ceder
IPC分类号： H01M4/36 , H01M4/505 , H01M4/58 , H01M4/587 , H01M4/38 , H01M10/0525 , H01M10/0562 , H01M10/058 , C01G53/00 , C01B25/45 , C01B35/12 , C01D15/04 , H01M4/525 , H01M4/131 , H01M4/02
摘要： A positive electrode active material includes a core and a coating disposed on at least a portion of a surface of the core. The core includes a lithium metal oxide, a lithium metal phosphate, or a combination thereof. The coating includes a compound according to the formula LimM1nXp, wherein M1, X, m, n and p are as defined herein. Also, an electrochemical cell including the positive electrode active material, and methods for the manufacture of the positive electrode active material and the electrochemical cell.
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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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