Compounds for novel proton conducting membranes and methods...

Chemistry of inorganic compounds – Sulfur or compound thereof – Ternary compound containing hydrogen and metal

Reexamination Certificate

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C252S519400, C423S594900

Reexamination Certificate

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07018604

ABSTRACT:
The present invention provides new compounds for use in proton exchange membranes which are able to operate in a wide variety of temperature ranges, including in the intermediate temperature range of about 100° C. to 700° C., and new and improved methods of making these compounds. The present invention also provides new and improved methods for making chalcogenide compounds, including, but not limited to, non-protonated sulfide, selenide and telluride compounds. In one embodiment, the proton conductivity of the compounds is between about 10−8S/cm and 10−1S/cm within a temperature range of between about −50 and 500° C.

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