发明名称 |
STEPPED ELECTRODE ASSEMBLY, AND SECONDARY BATTERY, BATTERY PACK AND DEVICE COMPRISING SAME AND METHOD FOR MANUFACTURING SAME |
摘要 |
There is provided an electrode assembly including a first electrode laminate having at least one or more electrode units having a first area, stacked therein, a second electrode laminate having at least one or more electrode units having a second area smaller than the first area, stacked therein, and a step portion provided by stacking the first electrode laminate and the second electrode laminate in a direction perpendicular to a plane and having a step formed due to a difference in areas of the first and second electrode laminates, the electrode assembly being characterized in that, the electrode unit is wound by a rectangular-shaped separation film such that at least a portion of the rectangular-shaped separation film covers the step portion of the electrode assembly, and a step having a shape identical to the step portion is formed. |
申请公布号 |
EP2882024(A1) |
申请公布日期 |
2015.06.10 |
申请号 |
EP20130853030 |
申请日期 |
2013.03.15 |
申请人 |
LG CHEM, LTD. |
发明人 |
KWON, SUNG-JIN;KIM, DONG-MYUNG;KIM, KI-WOONG;AHN, SOON-HO |
分类号 |
H01M10/04;H01M2/02;H01M4/70;H01M10/052;H01M10/0583 |
主分类号 |
H01M10/04 |
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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