公开(公告)号：US20150093652A1

公开(公告)日：2015-04-02

申请号：US14504611

申请日：2014-10-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yuich AIHARA ,  Nobuya MACHIDA ,  Seitaro ITO

IPC: H01M10/0562 ,  C01B25/14 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  C01B25/14 ,  C01P2006/40 ,  H01M10/0525 ,  H01M2300/0068

Abstract: A sulfide solid electrolyte including a sulfide product prepared by mixing at least Li2S and P2S5 in an organic solvent, wherein the organic solvent includes a tetrahydrofuran compound optionally substituted with a C1-C6 hydrocarbon group or a C1-C6 hydrocarbon group including an ether group, or a C2-C7 non-cyclic ether compound.

Abstract translation: 一种硫化物固体电解质，其包含通过在有机溶剂中混合至少Li 2 S和P 2 S 5制备的硫化物，其中所述有机溶剂包括任选被C 1 -C 6烃基或包括醚基的C 1 -C 6烃基取代的四氢呋喃化合物， 或C 2 -C 7非环状醚化合物。

公开(公告)号：US20200381773A1

公开(公告)日：2020-12-03

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

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：US20150093651A1

公开(公告)日：2015-04-02

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

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.

Abstract translation: 一种锂电池及锂电池的制备方法，其中锂电池包括：包含芯的正极活性物质的阴极层和芯的表面上的离子导电磷酸盐被覆层; 阳极层; 以及设置在所述阴极层和所述阳极层之间的固体电解质层，其中所述固体电解质层包含硫化物固体电解质。