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公开(公告)号：US10141566B2
公开(公告)日：2018-11-27
申请号：US14818736
申请日：2015-08-05
发明人： Satoshi Fujiki , Yuichi Aihara
IPC分类号： H01M4/36 , H01M4/525 , H01M4/1391 , H01M10/0562 , H01M4/04 , H01M10/052 , H01M4/38 , H01M4/505 , H01M4/62
摘要： A lithium secondary battery wherein the cathode layer comprises a cathode active material particle having a coating layer that is on at least a portion of a surface of the cathode active material particle, and a solid electrolyte particle which is in contact with the coating layer, wherein an average particle diameter of the cathode active material secondary particle is in a range of about 3 micrometers to about 10 micrometers, wherein the coating layer is amorphous and contains at least one element selected from metal elements not including nickel, and semi-metal elements, and wherein a mole ratio of the at least one element of the coating layer and all of the metal elements, not including lithium, or semi-metal elements in the cathode active material particle is in a range of about 0.1 mole percent to about 10 mole percent.
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公开(公告)号：US09837684B2
公开(公告)日：2017-12-05
申请号：US15041201
申请日：2016-02-11
发明人： Takanobu Yamada , Yuichi Aihara
IPC分类号： H01M10/0562 , H01M10/04 , H01M10/052
CPC分类号： H01M10/0562 , H01M10/0468 , H01M10/052 , H01M2220/20 , H01M2220/30 , H01M2300/0068 , Y02E60/122 , Y02P70/54
摘要： A solid state battery includes: a negative electrode layer including a negative electrode active material; a positive electrode layer including a positive electrode active material; and a solid electrolyte layer installed between the negative electrode layer and the positive electrode layer, wherein the solid electrolyte layer contacts the negative electrode layer and the positive electrode layer, and wherein the solid state battery satisfies Equation 1: {(Vp−V980)/Vp×100}≦3% Equation 1 wherein Vp is a total volume of the negative electrode layer, the positive electrode layer, and the solid electrolyte layer, and V980 is a total volume of the negative electrode layer, the positive electrode layer, and the solid electrolyte layer under the total pressure of about 980 megapascals.
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33.发明申请POSITIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY 有权用于锂离子二次电池的正极和锂离子二次电池公开(公告)号：US20150118574A1
公开(公告)日：2015-04-30
申请号：US14529486
申请日：2014-10-31
发明人： Heidy Visbal , Yuichi Aihara
IPC分类号： H01M10/0562 , H01M4/62 , H01M10/0525 , H01M4/131
CPC分类号： H01M10/0562 , H01M4/131 , H01M4/366 , H01M4/525 , H01M4/62 , H01M10/052 , H01M2004/028 , H01M2300/0068 , Y02T10/7011
摘要： A positive electrode for a lithium-ion secondary battery includes a positive electrode particle including a positive active material including a lithium salt, and a coating layer including an amorphous carbonaceous layer on a surface of the positive active material, and a sulfide solid electrolyte contacting the coating layer, wherein the sulfide solid electrolyte includes a solid sulfide.
摘要翻译： 作为锂离子二次电池用正极，具有包含锂盐的正极活性物质的正极粒子和在正极活性物质的表面上含有无定形碳质层的被覆层和与该正极活性物质的表面接触的硫化物固体电解质 涂层，其中所述硫化物固体电解质包括固体硫化物。
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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：US11349114B2
公开(公告)日：2022-05-31
申请号：US16674037
申请日：2019-11-05
发明人： Yonggun Lee , Toshinori Sugimoto , Yuichi Aihara , Saebom Ryu , Dongmin Im
IPC分类号： H01M4/137 , H01M4/60 , H01M10/0525 , H01M4/36
摘要： An anodeless coating layer for an all-solid battery, the anodeless coating layer includes: an anode active material capable of forming an alloy with lithium or a compound with lithium; and a binder, wherein the binder includes a block copolymer including a conductive domain, a non-conductive domain, or a combination thereof, and wherein the conductive domain includes an ion-conductive domain, an electron-conductive domain, or a combination thereof.
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公开(公告)号：US10985407B2
公开(公告)日：2021-04-20
申请号：US16196252
申请日：2018-11-20
IPC分类号： H01M10/44 , H01M10/46 , H01M10/0585 , H01M10/0525 , H01M4/66 , H01M4/38 , H01M4/36 , H01M4/587 , H01M10/0562 , H01M4/133 , H01M4/02 , H01M10/42
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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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：US20200373609A1
公开(公告)日：2020-11-26
申请号：US16846900
申请日：2020-04-13
发明人： Nobuyoshi Yashiro , Naoki Suzuki , Yuichi Aihara
IPC分类号： H01M10/0525 , H01M10/0585 , H01M4/38 , H01M4/66 , H01M10/0562 , H01M10/44
摘要： An all-solid lithium secondary battery includes: a positive active material layer; a solid electrolyte layer; and a negative active material layer, which is capable of forming an alloy or a compound with lithium, wherein the solid electrolyte layer is between the positive active material layer and the negative active material layer, and wherein the negative active material layer comprises silver (Ag).
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40.发明授权公开(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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