Invention Grant
- Patent Title: Solid electrolyte of lithium secondary battery and sulfide compound for said solid electrolyte
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Application No.: US16628651Application Date: 2018-07-02
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Publication No.: US11196083B2Publication Date: 2021-12-07
- Inventor: Tsukasa Takahashi , Takashi Chikumoto , Takahiro Ito , Hideo Uesugi
- Applicant: Mitsui Mining & Smelting Co., Ltd.
- Applicant Address: JP Tokyo
- Assignee: Mitsui Mining & Smelting Co., Ltd.
- Current Assignee: Mitsui Mining & Smelting Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: The Webb Law Firm
- Priority: JP2017-133772 20170707
- International Application: PCT/JP2018/025005 WO 20180702
- International Announcement: WO2019/009228 WO 20190110
- Main IPC: H01M10/0562
- IPC: H01M10/0562 ; H01M4/134 ; H01M10/0525 ; H01M4/38 ; H01M4/587 ; C01B25/14 ; H01M4/133 ; H01M4/02
Abstract:
As a novel sulfide compound having a low elastic modulus while retaining the high ion conductivity, a sulfide compound for a solid electrolyte of a lithium secondary battery that includes a crystal phase of a cubic argyrodite type crystal structure, and is represented by the compositional formula: Li7−xPS6−xClyBrz, wherein x in the compositional formula satisfies x=y+z and 1.0
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