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Title: Evaluating capacity fade in dual insertion batteries using potential and temperature measurements

Patent ·
OSTI ID:1805363

Methods and systems are described of managing a battery system. The battery system including at least one battery cell and one or more sensors configured to measure a temperature of the at least one battery cell. The method includes receiving a measurement of the temperature of the at least one battery cell, estimating an open circuit potential of the at least one battery cell, estimating a capacity fade of the at least one battery cell based on the open circuit potential of the at least one battery cell and a ratio of a change in the open circuit potential relative to a change in the temperature of the at least one battery cell, and regulating at least one of charging or discharging of the at least one battery cell based on the estimation of the capacity fade.

Research Organization:
Robert Bosch GmbH, Stuttgart (Germany)
Sponsoring Organization:
USDOE
DOE Contract Number:
AR0000278
Assignee:
Robert Bosch GmbH (Stuttgart, DE)
Patent Number(s):
10,886,575
Application Number:
16/196,978
OSTI ID:
1805363
Resource Relation:
Patent File Date: 11/20/2018
Country of Publication:
United States
Language:
English

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