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

Abstract

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.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
Robert Bosch GmbH, Stuttgart (Germany)
Sponsoring Org.:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
OSTI Identifier:
1525014
Patent Number(s):
10224579
Application Number:
15/072,839
Assignee:
Robert Bosch GmbH (Stuttgart, DE)
Patent Classifications (CPCs):
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H - ELECTRICITY H02 - GENERATION H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER
DOE Contract Number:  
AR0000278
Resource Type:
Patent
Resource Relation:
Patent File Date: 2016-03-17
Country of Publication:
United States
Language:
English

Citation Formats

Christensen, John F., Klein, Reinhardt, Srouji, Abdul-Kader, Krupadanam, Ashish, MirTabatabaei, Anahita, and Ravi, Nikhil. Evaluating capacity fade in dual insertion batteries using potential and temperature measurements. United States: N. p., 2019. Web.
Christensen, John F., Klein, Reinhardt, Srouji, Abdul-Kader, Krupadanam, Ashish, MirTabatabaei, Anahita, & Ravi, Nikhil. Evaluating capacity fade in dual insertion batteries using potential and temperature measurements. United States.
Christensen, John F., Klein, Reinhardt, Srouji, Abdul-Kader, Krupadanam, Ashish, MirTabatabaei, Anahita, and Ravi, Nikhil. Tue . "Evaluating capacity fade in dual insertion batteries using potential and temperature measurements". United States. https://www.osti.gov/servlets/purl/1525014.
@article{osti_1525014,
title = {Evaluating capacity fade in dual insertion batteries using potential and temperature measurements},
author = {Christensen, John F. and Klein, Reinhardt and Srouji, Abdul-Kader and Krupadanam, Ashish and MirTabatabaei, Anahita and Ravi, Nikhil},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {3}
}

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