Safety device of battery

Details Safety device of battery Safety device of battery

2005-11-09

2010-02-16

Yuan, Dah-Wei D (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

C429S054000, C429S055000, C429S056000

Reexamination Certificate

active

07662506

ABSTRACT:
A safety device of a battery including a pressure releasing unit provided at a cell and the battery, in which the pressure releasing unit is configured to release an internal pressure within the cell when the internal pressure of the cell exceeds a predetermined set pressure. Also included is a space member covering the pressure releasing unit and configured to form an empty space around the pressure releasing unit such that when the internal pressure of the cell exceeds the predetermined set pressure, the released internal pressure is released into the empty space formed by the space member.

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patent: WO 03/043106 (2003-05-01), None

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