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Patent Applicant
Patent Jurisdiction
Patent Number
Date of Patent
May 30, 2023
0Patent Application Number
166063590
Date Filed
October 31, 2018
0Patent Citations
Patent Citations Received
Patent Primary Examiner
CPC Code
The present disclosure relates to an apparatus for estimating a battery free capacity, and more particularly, an apparatus for estimating a free capacity of a half cell of a battery. According to the present disclosure, it is possible to accurately estimate a free capacity of a half cell without inserting a reference electrode by revising an entire SOC region of a half cell by using an inflection point detected based on SOC-voltage data of a full cell and a half cell of the battery, respectively, and then estimating SOC-voltage data based on a SOC difference between the entire SOC regions before and after the revision.
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