发明名称 |
Increasing the stiffness of battery cells for portable electronic devices |
摘要 |
The disclosed embodiments relate to the manufacture of a battery cell. The battery cell includes a set of layers including a cathode with an active coating, a separator, and an anode with an active coating. The battery cell also includes a pouch enclosing the layers, wherein the pouch is flexible. The layers may be wound to create a jelly roll prior to sealing the layers in the flexible pouch. The stiffness of the battery cell may be increased by applying a pressure of at least 0.13 kilogram-force (kgf) per square millimeter and a temperature of about 85� C. to the layers. |
申请公布号 |
US8679201(B2) |
申请公布日期 |
2014.03.25 |
申请号 |
US201113273113 |
申请日期 |
2011.10.13 |
申请人 |
BHARDWAJ RAMESH C.;DEVAN SHEBA;HWANG TAISUP;APPLE INC. |
发明人 |
BHARDWAJ RAMESH C.;DEVAN SHEBA;HWANG TAISUP |
分类号 |
H01M2/02;H01M10/04;H01M10/0587 |
主分类号 |
H01M2/02 |
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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