METHODS FOR PREVENTING OR CONTAINING THERMAL RUNAWAY IN A BATTERY PACK
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May 29, 2015
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May 30, 2014
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Processes for preventing or containing a thermal runaway event in a battery cell are provided that include localizing an effective amount of a thermally decomposable flame retardant to a target site on a cell or battery, where the flame retardant is localized so as not to coat the entire cell or large portions of the cell. It was discovered that targeted localization of flame retardant material(s) improves cell safety by preventing thermal runaway under adverse operating conditions.
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