Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Junichi Shigeto0
Takeshi Fukuda0
Date of Patent
June 4, 2019
0Patent Application Number
151238170
Date Filed
November 27, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A deformation detecting sensor for a sealed secondary battery of the present invention is used with a unit cell, battery module, or battery pack of the sealed secondary battery and includes: a magnetic resin layer stuck to the unit cell and/or battery module, the resin layer comprising a matrix composed of a resin component and a magnetic filler dispersed in the matrix; and a magnetic sensor attached to the inside or outside wall of a package case so as to be capable to detect a change of a magnetic field caused by the magnetic layer. The present invention can provide a deformation detecting sensor capable to detect bulging of a sealed secondary battery with higher sensitivity and to exhibit stable detection characteristics.
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