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      Battery performance assessment method and apparatus

      Scott, Jonathan B.; Single, Peter; Hasan, Rahat
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      WO2020236013A1.pdf
      Published version, 1.617Mb
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      https://hdl.handle.net/10289/14727
      Abstract
      The invention provides a battery performance assessment apparatus which includes two terminal connectors configured to electrically connect the assessment apparatus to the positive and negative terminals of a battery being assessed, and a response measurement system configured to measure the terminal voltage and current of the battery when supplied with at least one alternating test current having a frequency less than the impedance transition frequency associated with the battery being assessed and preferably between 100uHz and 1mHz, and a processor in communication with the response measurement system and being configured to output a performance assessment indicator for the battery being assessed by calculating at least one impedance for the battery using terminal voltage and current measurements communicated by the response measurement system.
      Date
      2020
      Type
      Patent
      Rights
      © WaikatoLink. Used with permission.
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      • Science and Engineering Papers [3069]
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