Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven Hoenig0
Thirumalai G. Palanisamy0
Harmohan N. Singh0
Hector M. Atehortua0
Date of Patent
March 18, 2008
0Patent Application Number
110677880
Date Filed
March 1, 2005
0Patent Primary Examiner
Patent abstract
In accordance with the invention, there is a battery defect detection method comprising applying a current ramp to a battery; determining a first time (t1) when a current of the battery reaches a maximum current (Ipeak), and determining a second time (t2) when a terminal voltage of the battery reaches a maximum voltage (Vpeak). The method also includes determining a differential (d), wherein (d)=/(t1)−(t2)/, and wherein (d) corresponds to a magnitude of defects in the battery.
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