METHOD FOR DETERMINING THE AGE OF AN ELECTROCHEMICAL ENERGY STORAGE UNIT

Various embodiments include a method for determining the age of an electrochemical energy storage unit comprising: referring to a first open-circuit voltage curve of the electrochemical energy storage unit dependent upon the state of charge of the electrochemical energy storage unit as a reference;...

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Bibliographic Details
Main Authors BETZIN, Christopher, WOLFSCHMIDT, Holger
Format Patent
LanguageEnglish
French
German
Published 12.10.2022
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:Various embodiments include a method for determining the age of an electrochemical energy storage unit comprising: referring to a first open-circuit voltage curve of the electrochemical energy storage unit dependent upon the state of charge of the electrochemical energy storage unit as a reference; ascertaining a second open-circuit voltage curve of the electrochemical energy storage unit dependent upon the state of charge of the electrochemical energy storage unit; and determining the age of the electrochemical energy storage unit by comparing the first and second open-circuit voltage curves.
Bibliography:Application Number: EP20170755146