公开(公告)号：US11799126B2

公开(公告)日：2023-10-24

申请号：US16886897

申请日：2020-05-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tomoyuki Tsujimura ,  Yuichi Aihara ,  Nobuya Machida

IPC: H01M10/0562 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/04 ,  C01B17/22 ,  H01M10/052

CPC classification number: H01M10/0562 ,  C01B17/22 ,  H01M4/0471 ,  H01M4/382 ,  H01M4/386 ,  H01M10/0525 ,  H01M10/0569 ,  C01P2002/72 ,  C01P2002/74 ,  H01M10/052 ,  H01M2300/0068

Abstract: 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.

公开(公告)号：US11127974B2

公开(公告)日：2021-09-21

申请号：US16394015

申请日：2019-04-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seitaro Ito ,  Tomoyuki Tsujimura ,  Yuichi Aihara ,  Nobuya Machida

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M10/058

Abstract: 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.

公开(公告)号：US09692041B2

公开(公告)日：2017-06-27

申请号：US14503649

申请日：2014-10-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yuich Aihara ,  Nobuya Machida ,  Seitaro Ito

IPC: H01M4/62 ,  H01M10/052 ,  H01M4/131 ,  H01M10/0562 ,  H01M4/36

CPC classification number: H01M4/131 ,  H01M4/366 ,  H01M4/624 ,  H01M10/052 ,  H01M10/0562 ,  H01M2300/0068 ,  Y02T10/7011

Abstract: A lithium battery and a method of preparing the lithium battery, wherein the lithium battery includes: a cathode layer including a cathode active material including a core, and an ion conductive phosphate coating layer on a surface of the core; an anode layer; and a solid electrolyte layer that is disposed between the cathode layer and the anode layer, wherein the solid electrolyte layer includes a sulfide solid electrolyte.