US Patent 7629073 Safety element for battery and battery with the same

Patent 7629073 was granted and assigned to LG Chem on December, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

LG Chem

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

76290730

Patent Inventor Names

Sung Kyun Chang0

Min Chul Jang0

Soo Hyun Ha0

Sun Sik Shin0

Eui Yong Bang0

Jae Hyun Lee0

Jeong Ju Cho0

Joon Hwan Lee0

Date of Patent

December 8, 2009

Patent Application Number

111324680

Date Filed

May 19, 2005

Patent Primary Examiner

‌

Laura S Weiner

Patent abstract

Disclosed are a safety element for a battery, which is provided with material having a Metal-Insulator Transition (MIT) characteristic where resistance abruptly drops at or above a certain temperature, and a battery with such a safety element. This battery with an MIT safety element is turned into a stable discharged state when it is exposed to an elevated temperature or a battery temperature rises due to external impact, so that it can ensure its safety.

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