发明名称 |
Lithium-ion secondary battery |
摘要 |
In the invention, a lithium-ion secondary battery, in which a value obtained by dividing average 3% modulus strength of a separator by average 3% modulus strength of a negative electrode including a negative electrode active material layer containing silicon and silicon oxide as a main component is 0.079 or less, is used. |
申请公布号 |
US9048491(B2) |
申请公布日期 |
2015.06.02 |
申请号 |
US201313845707 |
申请日期 |
2013.03.18 |
申请人 |
TDK CORPORATION |
发明人 |
Kawanaka Yasuyuki;Tanaka Kazumasa;Ikeda Yasuhiro;Sano Atsushi |
分类号 |
H01M4/38;H01M2/16;H01M4/134;H01M10/0525;H01M4/02 |
主分类号 |
H01M4/38 |
代理机构 |
Oliff PLC |
代理人 |
Oliff PLC |
主权项 |
1. A lithium-ion secondary battery comprising:
a negative electrode including a negative electrode active material layer containing silicon and/or silicon oxide as a main component; and a separator,
wherein a value obtained by dividing an average 3% modulus strength of the separator by an average 3% modulus strength of the negative electrode is 0.079 or less. |
地址 |
Tokyo JP |