Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Naohisa Morimoto0
So Kuranaka0
Tadao Kimura0
Date of Patent
May 19, 2009
0Patent Application Number
113605340
Date Filed
February 24, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A battery pack is provided which includes: a battery set having a plurality of secondary-battery cells connected in series and in parallel; and a battery-abnormality detection circuit. The battery-abnormality detection circuit controls a battery-set circuit separation switch, so as to detect an abnormality in each secondary-battery cell based on a change in the voltage of each cell when parallel-connection separation switches are turned off, and if detecting an abnormal secondary-battery cell, so as to separate the series module including this cell from a battery-set body.
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