Secondary battery with a shock absorbing portion

Details Secondary battery with a shock absorbing portion Secondary battery with a shock absorbing portion

2007-09-13

2010-12-14

Yuan, Dah-Wei D (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Blowout type

C429S053000, C429S082000

Reexamination Certificate

active

07851078

ABSTRACT:
A secondary battery includes an electrode assembly, a can receiving the electrode assembly, and a cap assembly coupled to the open upper part of the can. In addition, a vent including an opening, which is thinner than the can is formed on a wide side of the can, and a shock absorbing portion, which is thinner than the can and thicker than the opening, is formed near the vent. Accordingly, the vent can be protected from damage from external shocks, which are absorbed by the shock absorbing portion.

REFERENCES:
patent: 6159631 (2000-12-01), Thompson et al.
patent: 6964690 (2005-11-01), Goda et al.
patent: 20-0406077 (2006-01-01), None

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