- Patent Title: Metal adsorbent-carrying carbon material, positive electrode material for lithium ion secondary batteries, positive electrode for lithium ion secondary batteries, and lithium ion secondary battery
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Application No.: US17212962Application Date: 2021-03-25
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Publication No.: US11437627B2Publication Date: 2022-09-06
- Inventor: Shinichi Tanaka , Tsutomu Nozoe
- Applicant: Sumitomo Metal Mining Co., Ltd.
- Applicant Address: JP Tokyo
- Assignee: Sumitomo Metal Mining Co., Ltd.
- Current Assignee: Sumitomo Metal Mining Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Merchant & Gould P.C.
- Priority: JPJP2020-122262 20200716
- Main IPC: H01M4/62
- IPC: H01M4/62 ; H01M4/136 ; H01M4/58 ; H01M4/36 ; H01M10/0525 ; B01J20/02 ; B01J20/20 ; B01J20/28 ; B01J20/32 ; H01M4/02
Abstract:
A metal adsorbent-carrying carbon material for a positive electrode for lithium ion secondary batteries including a carbon material; and a metal adsorbent which is supported on the carbon material, wherein the metal adsorbent is a material which can adsorb iron ions (Fe2+, Fe3+).
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