Eulytite solid acid electrolytes for electrochemical devices

Details Eulytite solid acid electrolytes for electrochemical devices Eulytite solid acid electrolytes for electrochemical devices

2007-08-14

2007-08-14

Langel, Wayne A. (Department: 1754)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

C423S305000, C423S306000, C423S307000, C423S308000, C423S309000, C423S311000, C423S326000, C423S508000, C423S512100, C423S518000, C423S592100, C423S593100, C423S595000, C423S601000, C423S602000, C423S594800, C423S594900, C423S594130, C429S006000

Reexamination Certificate

active

11165560

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 in a eulytine structure capable of 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 disordered phase; and capable of operating at temperatures of ˜100° C. and higher.

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Lavrova, et al., “Disordering of Pentacesium Trihydrogen Tetrasulfate in Cs5H3(SO4)4-SiO2Composite Proto Electrolytes,” Inorganic Materials, 2002, vol. 38, No. 11, pp. 1172-1177, no month.
Ponomareva, et al., “Effect of SiO2morphology and pores size on the proton nanocomposite electrolytes properties,” Solid State Ionics, 1999, 119, pp. 295-299, no month.
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Ponomareva, et al., “The influence of heterogeneous dopant porous structure on the properties of protonic solid electrolyte in the CsHSO4-SiO2system,” Solid State Ionics, 1999, 118, pp. 317-323, no month.
Ponomareva, et al., “Composite protonic electrolytes in the system (NH4)3H(SO4)2-SiO2,” Solid State Ionics, 2001, 145, pp. 205-210, no month.
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