Thermal propagation mitigation for HV battery modules
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United States of America Patent
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May 26, 2020
Grant Date -
Nov 17, 2016
app pub date -
May 12, 2015
filing date -
May 12, 2015
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Abstract
A high voltage battery module includes a plurality of battery cells, a plurality of cooling fins dispersed between the battery cells, and a frame for holding the plurality of battery cells and the plurality of fins. An intumescent layer is proximate to at least one battery module component selected from the battery cells, the plurality of cooling fins, and the frame. The intumescent layer includes sodium silicate having formula Na2SiO3, pentaerythitol, a resin that is cross-linked by melamine, boron nitride particles, and triammonium phosphate.
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