发明名称 |
BATTERY ELECTRODE SUBSTRATE SHEET |
摘要 |
To provide a battery electrode substrate sheet capable of reducing a waste part, in which a defect part is included, of an electrode active material coating film coated on a collector.;A battery electrode substrate sheet includes a strip-shaped collector 101, an electrode active material coating film 103 formed on the collector in a longitudinal direction thereof, and an insulating protective film 107 formed on an electrode active material non-coating surface of the collector so as to extend along the coating film in the longitudinal direction thereof. A defect sign part 105 that indicates a portion at which a defective part 104a of the coating film exists is formed on the insulating protective film 107. |
申请公布号 |
US2015030935(A1) |
申请公布日期 |
2015.01.29 |
申请号 |
US201314378683 |
申请日期 |
2013.02.07 |
申请人 |
Ukita Akio |
发明人 |
Ukita Akio |
分类号 |
H01M4/04;H01M10/0525;H01M4/13 |
主分类号 |
H01M4/04 |
代理机构 |
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代理人 |
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主权项 |
1. A battery electrode substrate sheet characterized by comprising:
a strip-shaped collector; an electrode active material coating film formed on the collector in a longitudinal direction thereof; and an insulating protective film formed on an electrode active material non-coating surface of the collector so as to extend along the coating film in the longitudinal direction thereof, wherein a defect sign part that indicates a portion at which a defective part of the coating film exists is formed on the insulating protective film. |
地址 |
Sagamihara-shi JP |