Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Tasai0
Koichi Nishiyama0
Hideki Masuda0
Date of Patent
March 31, 2009
0Patent Application Number
104793700
Date Filed
June 4, 2002
0Patent Primary Examiner
Patent abstract
An assembled battery device comprising a plurality of single cells which are placed with a predetermined space between each of them and an element for detecting swelling is set in the predetermined space between the single cells and operates in accordance with the transformation of the single cells by swelling. Therefore, when a single cell swells and transforms, resulting from being overcharged, the element for detecting swelling is activated in accordance with such transformation and detects the state of overcharging.
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