California Institute of Technology

Ryan B Merle

Sekharipuram R Narayanan

Sossina M Haile

Dane A Boysen

Calum Chisholm

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 &#x2dc;100&#xb0; C. and higher.

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Kent, WA, United States of America

Ryan B Merle