- 专利标题： POSITIVE ELECTRODE MATERIAL FOR NICKEL HYDROGEN SECONDARY BATTERY AND METHOD FOR PRODUCING POSITIVE ELECTRODE MATERIAL FOR NICKEL HYDROGEN SECONDARY BATTERY
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申请号： EP22787826.1申请日： 2022-02-09
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公开(公告)号： EP4324794A1公开(公告)日： 2024-02-21
- 发明人: SATOMI, Naotoshi , HATA, Mikio , HANAMURA, Naoya
- 申请人： Tanaka Chemical Corporation
- 申请人地址： JP Fukui-shi, Fukui 910-3131 5-10, Aza-Sunahamawari 45, Shirakata-cho
- 代理机构： Weickmann & Weickmann PartmbB
- 优先权： JP2021067321 20210412
- 国际公布： WO2022219898 20221020
- 主分类号： C01G53/00
- IPC分类号： C01G53/00 ; H01M4/52
摘要：
A positive electrode material for a nickel metal hydride secondary battery and a method for producing the positive electrode material for a nickel hydrogen secondary battery, capable of improving characteristics of a nickel metal hydride secondary battery by lowering volume resistivity, are provided. The positive electrode material for a nickel metal hydride secondary battery has, in a differential pore distribution in which a pore diameter range is 1.7 nm or more and 300 nm or less, a local maximum value of a highest peak of a differential pore volume positioned in a range of a pore diameter of 1.7 nm or more and 10.0 nm or less.
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