Patent ID: 9716261
Date: 2017-07-25
CPC Classifications: H01M,Y02E,Y02P

Claim:
1. A rechargeable battery, comprising: an electrode assembly; and a housing for the electrode assembly, the housing including: a case having an opening therein, the opening exposing case sides, the case configured to receive the electrode assembly through the opening; and a cap plate to seal the case at the opening, the cap plate including cap plate sides corresponding to the case sides, the case sides facing and contacting the cap plate sides at first and second contact regions of the case sides, respectively, the first and second contact regions of the case sides being asymmetric to each other and being in first and second case sides opposite to each other, respectively, the first contact region including a first inclined plane in the first case side, the second contact region including a second inclined plane in the second case side, wherein a slope of the first inclined plane in the first case side is different from that of the second inclined plane in the second case opposite to the first case side.