Invention Grant
US08834180B2 Secondary battery 有权
二次电池

Secondary battery
Abstract:
A secondary battery includes an electrode assembly, a gas collecting member and a battery case. The electrode assembly has first and second electrode plates and a separator interposed between the first and second electrode plates. The gas collecting member is provided adjacent to the electrode assembly. The battery case accommodates the electrode assembly and the gas collecting member. In the secondary battery, the gas collecting member has a first collecting member collecting gas generated in the interior of the battery case and a second collecting member provided to surround the first collecting member.
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