Electrolyte formulation for reduced gassing wide temperature range cycling
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United States of America Patent
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Nov 27, 2018
Grant Date -
Mar 5, 2015
app pub date -
Nov 7, 2014
filing date -
Jun 12, 2012
priority date (Note) -
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Abstract
A rechargeable battery cell having a specific combination of anode, cathode and electrolyte formulation is provided. The electrolyte formulation includes an additive system and a salt system. The additive system includes a first additive containing a sulfonyl group, an anti-gassing agent, and a second additive. The salt system includes a lithium salt and a co-salt. The disclosed electrolyte formulation has reduced gassing and improved performance over a wide temperature range.
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