Battery safety device and battery having the same

Details Battery safety device and battery having the same Battery safety device and battery having the same

2005-04-15

2011-11-01

Gilliam, Barbara (Department: 1727)

Chemistry: electrical current producing apparatus, product, and

With control means responsive to battery condition sensing...

C429S121000, C429S122000, C307S119000

Reexamination Certificate

active

08048551

ABSTRACT:
Disclosed is a battery safety device having a first metal plate, a second metal plate, and a pressure-sensitive conducting film interposed between both metal plates and adapted to exhibit electrical conductivity when a predetermined pressure or higher is applied. The first and second metal plates are electrically connected to the positive and negative electrodes of the battery, respectively. The safety device connected to a battery prevents the battery from being damaged or at least from igniting or exploding, even when an external impact caused by pressure, a nail, or a nipper or an external pressure is applied to the battery, by conducting the current of the battery to the safety device and discharging the battery before the battery is damaged by the external impact or external pressure.

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PCT International Search Report for Application No. PCT/KR2005/001061; Date of Mailing : Jul. 27, 2005 (All references cited in Search Report are listed above).
Notice of Allowance issued on Sep. 28, 2007 by the Russian Patent Office for corresponding Russian Patent Application No. 2006140372 (English translation).
European Search Report dated Oct. 7, 2008 for Application No. 05764911.3-2119. All References cited in Search report listed in Information Disclosure Statement.

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