发明名称 |
LITHIUM-ION BATTERY |
摘要 |
A high-input and high-output battery having a large capacity while guaranteeing safety is provided. As a composition of an electrolytic solution, a composition ratio of ethylene carbonate (EC) is 20 vol% or more and 30 vol% or less, and a composition ratio of dimethyl carbonate (DMC) is 36 vol% or more and 50 vol% or less, and a composition ratio · (DMC/EMC) of dimethyl carbonate (DMC) and ethyl methyl carbonate (EMC) is 1.0‰¤·‰¤1.7. Furthermore, a composition ratio of an additive is 0.1 wt.% or more and 1.0 wt.% or less, and a concentration of lithium salt is 1.0 mol/L or more and 1.5 mol/L or less. |
申请公布号 |
EP2822079(B1) |
申请公布日期 |
2017.01.04 |
申请号 |
EP20120854546 |
申请日期 |
2012.08.17 |
申请人 |
Hitachi Chemical Company, Ltd. |
发明人 |
OKUMURA, Takefumi;KIMURA, Takayuki;NISHIYAMA, Hiroo;YOSHIURA, Tadashi;HIYAMA, Sho |
分类号 |
H01M4/505;H01M2/12;H01M4/02;H01M4/36;H01M4/525;H01M10/0525;H01M10/0567;H01M10/0568;H01M10/0569;H01M10/0587;H01M10/42 |
主分类号 |
H01M4/505 |
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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