Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tatsuya Ishibashi0
Date of Patent
January 29, 2019
0Patent Application Number
155040600
Date Filed
February 24, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A battery management device includes an SOC estimation unit, a storage unit, and a lithium deposition determination unit. The lithium deposition determination unit compares a differential coefficient of a battery voltage with respect to an SOC estimated by the SOC estimation unit and a differential coefficient of a battery voltage with respect to a reference SOC read from the storage unit, and determines that, if a difference is observed between the differential coefficients, lithium is deposited in a lithium ion secondary battery.
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