Polyurethane Based Electrolyte Systems For Electrochemical Cells
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United States of America Patent
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Sep 11, 2014
app pub date -
Oct 24, 2012
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Oct 28, 2011
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Abstract
The invention relates to a polymer gel electrolyte system for use in an electrochemical cell having positive and negative electrodes, said electrolyte system comprising: (A) a poly(dialkylene ester) thermoplastic polyurethane composition; (B) an alkali metal salt; and (C) an aprotic organic solvent. The invention also provides an electrochemical cell comprising a positive electrode, a negative electrode, and (I) a polymer electrolyte disposed between said positive and negative electrodes, wherein the polymer electrolyte comprises (A) the poly(dialkylene ester) thermoplastic polyurethane composition; (B) an alkali metal salt; and (C) an aprotic organic solvent.
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