发明名称 |
Energy storage device and energy storage unit |
摘要 |
An energy storage device (10) including a positive electrode (410), a negative electrode (420), a separator (431 or 432) disposed between the positive electrode (410) and the negative electrode (420), and a non-aqueous electrolyte, wherein the negative electrode (420) includes a negative electrode active material layer (422) containing a non-graphitizable carbon as a negative electrode active material, and the negative electrode active material has a negative electrode active material weight per unit volume of the negative electrode active material layer (422) of 0.92 g/cc or more and 1.13 g/cc or less and a particle size D90 of 4.3 µm or more and 11.5 µm or less, the particle size D90 being a particle size in particle size distribution in which a cumulative volume is 90%. |
申请公布号 |
EP2741355(A3) |
申请公布日期 |
2015.04.08 |
申请号 |
EP20130195271 |
申请日期 |
2013.12.02 |
申请人 |
GS YUASA INTERNATIONAL LTD. |
发明人 |
MORI, SUMIO;NAKAI, KENTA;MIYAZAKI, AKIHIKO;KAKO, TOMONORI |
分类号 |
H01M4/587;H01M4/02;H01M4/131;H01M4/133;H01M10/0525;H01M10/0567 |
主分类号 |
H01M4/587 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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