What is the definition and function of temperature break point in Equivalent Circuit Battery Block(Simulink)?

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Why must there be more than two temperature breakpoints?

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Javier Gazzarri
Javier Gazzarri 2020-3-14
Hello Leon,
Thank you for your question.
The breakpoints indicate the temperature values for which you need to have OCV and internal resistance dependency. The error message is a result of a matrix dimension consistency check that compares the OCV and internal resistance matrix sizes against the T and SOC vectors. If you don't have this information, you can arbitrarily choose a second T value and replicate the OCV and resistance columns, but please keep in mind that your battery behavior will not depend on temperature, which for Li ion is typically a very important effect.
Please let me know if the above was clear enough.
Best regards,
Javier
jgazzarr@mathworks.com

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