Solid acid electrolytes for electrochemical devices
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United States of America Patent
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Aug 26, 2008
Grant Date -
Jun 5, 2003
app pub date -
Aug 1, 2002
filing date -
Jan 22, 1999
priority date (Note) -
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Abstract
Improved solid acid electrolyte materials, methods of synthesizing such materials, and electrochemical devices incorporating such materials are provided. The stable electrolyte material comprises a solid acid capable undergoing rotational disorder of oxyanion groups and capable of extended operation at elevated temperatures, that is, solid acids having hydrogen bonded anion groups; a superprotonic, trigonal, tetragonal, or cubic, disordered phase; and capable of being operating at temperatures of .about.100.degree. C. and higher.
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