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