Chemistry: electrical current producing apparatus – product – and – With control means responsive to battery condition sensing... – Temperature control
Reexamination Certificate
2007-07-27
2010-11-16
Kalafut, Stephen J. (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
With control means responsive to battery condition sensing...
Temperature control
C428S407000
Reexamination Certificate
active
07833648
ABSTRACT:
Disclosed is an electrochemical device including a gas discharge member disposed in inner volumes thereof or used as an element for forming the device, wherein the gas discharge member comprises: (a) a core portion containing a compound that discharges gases other than oxygen at a predetermined temperature range; and (b) a polymeric shell portion for encapsulating the compound and surrounding the core portion. A center pin for an electrochemical device having the gas discharge member inserted into the interstitial volumes of the device is also disclosed. The electrochemical device comprising the gas discharge member, which discharges a large amount of gas at a predetermined temperature and is inserted into the inner volumes of the device, is prevented from ignition or explosion under overcharge and high-temperature storage conditions with no drop in the performance.
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Kang Eun Ju
Kim Gi Cheul
Lee Myoung Hun
Park Pil Kyu
Park Young Sun
Cantor & Colburn LLP
Kalafut Stephen J.
LG Chem Ltd.
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