GEL ELECTROLYTE FOR AN ELECTROCHEMICAL CELL
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
Jun 9, 2014
filing date -
Jun 10, 2013
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Abstract
Processes of improving the safety of lithium ion cells are provided without compromising cell performance. Provided are processes of forming a gel electrolyte that for the first time can fully substitute a liquid electrolyte and provide similar performance but also has greatly improved safety. A process includes in situ formation of a gel electrolyte in the presence of a liquid electrolyte material and then subjecting the resulting gel to a wetting step. The resulting gel electrolyte is capable of excellent cycle life and capacity without the presence of remaining liquid electrolyte.
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