Polymer electrolyte; and an electrochemical device equipped with such a polymer electrolyte
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United States of America Patent
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Apr 20, 2010
Grant Date -
Feb 21, 2008
app pub date -
May 25, 2005
filing date -
May 27, 2004
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Abstract
Disclosed is a polymer electrolyte for use in an electrochemical device. Said polymer electrolyte comprises at least one polymer having ion-exchangeable functional groups. The polymer also comprises ionic liquid functional groups. The ion-exchangeable functional groups comprise a polymer-bound anionic group, such as a sulfonate, a carboxylate, and a phosphonate or any anionic surfactant group. Also disclosed is an electrical device that comprises said polymer electrolyte material. Such electrical device preferably consists of a fuel cell, an electrical battery, a super capacitor, an electrochromic window or a solar cell.
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