Process for fabrication of enhanced β″-alumina solid electrolytes for energy storage devices and energy applications

Lu, Xiaochuan; Kim, Jin Yong; Li, Guosheng; Meinhardt, Kerry D.; Sprenkle, Vincent L.

Process for fabrication of enhanced β″-alumina solid electrolytes for energy storage devices and energy applications

Patent · Tue Oct 12 00:00:00 EDT 2021

OSTI ID:1859955

Lu, Xiaochuan; Kim, Jin Yong; Li, Guosheng; Meinhardt, Kerry D.; Sprenkle, Vincent L.

A dense β″-alumina/zirconia composite solid electrolyte and process for fabrication are disclosed. The process allows fabrication at temperatures at or below 1600° C. The solid electrolytes include a dense composite matrix of β″-alumina and zirconia, and one or more transition metal oxides that aid the conversion and densification of precursor salts during sintering. The composite solid electrolytes find application in sodium energy storage devices and power-grid systems and devices for energy applications.

Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-76RL01830

Assignee:: Battelle Memorial Institute (Richland, WA)

Patent Number(s):: 11,145,894

Application Number:: 14/465,476

OSTI ID:: 1859955

Country of Publication:: United States

Language:: English

References (5)

Fracture Properties of Polycrystalline Lithia-Stabilized β “- Alumina Virkar, Anil V.; Gordon, Ronald S. Journal of the American Ceramic Society, Vol. 60, Issue 1-2 https://doi.org/10.1111/j.1151-2916.1977.tb16094.x	journal	January 1977
The mechanical and electrical properties of ZrO2–TiO2–Na-β/β″-alumina composite electrolyte synthesized via a citrate sol–gel method Yang, Li-Ping; Shan, Shi-jie; Wei, Xiao-ling Ceramics International, Vol. 40, Issue 7 https://doi.org/10.1016/j.ceramint.2014.01.118	journal	August 2014
Resistivity-Microstructure Relations in Lithia-Stabilized Polycrystalline beta"-Alumina Virkar, Anil V.; Miller, Gerald R.; Gordon, Ronald S. Journal of the American Ceramic Society, Vol. 61, Issue 5-6 https://doi.org/10.1111/j.1151-2916.1978.tb09292.x	journal	May 1978
Advanced materials for sodium-beta alumina batteries: Status, challenges and perspectives Lu, Xiaochuan; Xia, Guanguang; Lemmon, John P. Journal of Power Sources, Vol. 195, Issue 9 https://doi.org/10.1016/j.jpowsour.2009.11.120	journal	May 2010
Structure, properties and production of ?-alumina Stevens, R.; Binner, J. G. P. Journal of Materials Science, Vol. 19, Issue 3 https://doi.org/10.1007/BF00540440	journal	March 1984

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Process for fabrication of enhanced β″-alumina solid electrolytes for energy storage devices and energy applications

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