发明名称 |
ELECTRODE ASSEMBLY INCLUDING DIFFERENTLY SHAPED POSITIVE ELECTRODE AND NEGATIVE ELECTRODE, AND SECONDARY BATTERY |
摘要 |
Disclosed is an electrode assembly including a plurality of alternately arranged cathode and anode plates, a separator interposed between the cathode plate and the anode plate, a plurality of cathode tabs respectively formed on the cathode plates, a plurality of anode tabs respectively formed on the anode plates, a cathode lead coupled to the cathode tabs, and an anode lead coupled to the anode tabs, wherein i) the cathode and anode tabs have different shapes and widths of the cathode tabs and the anode tabs are equal to 2 to 100% the length of electrode surfaces with the tabs formed thereon, or ii) the cathode tabs and the anode tabs are asymmetrically arranged with respect to electrode surfaces with the cathode and anode tabs formed thereon and widths of the cathode tabs and the anode tabs are equal to 5 to 45% the length of the electrode surfaces. |
申请公布号 |
EP2802027(A4) |
申请公布日期 |
2016.03.02 |
申请号 |
EP20130777711 |
申请日期 |
2013.04.16 |
申请人 |
LG CHEM, LTD. |
发明人 |
LIM, SOO HYUN;LEE, MIN HEE;LEE, JAE HYUN;LEE, SEONG MIN;KIM, JIHYUN;PARK, TAE JIN |
分类号 |
H01M2/26;H01M2/16;H01M2/30;H01M4/485;H01M4/505;H01M4/525;H01M10/0525;H01M10/6553 |
主分类号 |
H01M2/26 |
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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