发明名称 |
SECONDARY BATTERY AND ANODE |
摘要 |
A secondary battery capable of obtaining superior cycle characteristics and superior swollenness characteristics is provided. The secondary battery includes a cathode and an anode capable of inserting and extracting an electrode reactant; and an electrolyte containing a solvent and an electrolyte salt. The anode has an anode active material layer on an anode current collector. The anode active material layer contains a plurality of crystalline anode active material particles having silicon (Si) as an element. The plurality of anode active material particles contain a spherical particle and a nonspherical particle.
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申请公布号 |
US2010124707(A1) |
申请公布日期 |
2010.05.20 |
申请号 |
US20090617306 |
申请日期 |
2009.11.12 |
申请人 |
SONY CORPORATION |
发明人 |
HIROSE TAKAKAZU;KAWASE KENICHI;NOGUCHI KAZUNORI;FUJII TAKAYUKI |
分类号 |
H01M6/16;H01M4/02;H01M6/04 |
主分类号 |
H01M6/16 |
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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