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Thermal Monitoring of Battery Packs

  • US 20170117725A1
  • Filed: 10/18/2016
  • Published: 04/27/2017
  • Est. Priority Date: 10/23/2015
  • Status: Abandoned Application
First Claim
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1. A method for monitoring the health of a battery system during charge, discharge, or rest comprising:

  • providing one or more electrically connected battery packs, wherein within each battery pack includes battery cells and at least one integrated temperature sensor;

    providing means for converting the output from said sensors into electrical signals;

    providing additional temperature sensors for measuring the external temperature of said one or more battery packs as an external reference temperature;

    providing a battery management system which converts the electrical output of said sensors into temperature readings, thus establishing a temperature profile of the battery pack during charge, discharge, or rest, said battery management system further including a memory, which memory contains a database of predefined normal operating temperature profiles for said one or more battery packs over a variety of external reference temperatures,comparing said temperature profile of said one or more battery packs during charge, discharge, or rest with the healthy thermal profile of said battery pack(s) at the measured external reference temperature; and

    ,issuing an alert should a sensor within the battery pack detect an excursion from normal operating temperature during such charge, discharge, or rest.

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