COMPOSITE SOLID-STATE ELECTROLYTES, DEVICES WITH COMPOSITE SOLID-STATE ELECTROLYTES, AND METHODS FOR FABRICATION THEREOF
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United States of America
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Issued Date -
Feb 20, 2025
app pub date -
Dec 22, 2022
filing date -
Dec 22, 2022
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Abstract
Precursors can be provided on a surface of a porous support layer and subjected to a temperature≤1200 K for a time≤60 seconds, so as to sinter the precursors into a porous scaffold. The porous scaffold can comprise an ion-conducting oxide. Filler materials can be provided on a surface of the porous scaffold. The filler materials can have a melting point in a range of 500-1100 K. The porous scaffold with filler materials can be subjected to a temperature≤1200 K for a time≤50 seconds, so as to melt the filler materials to form a non-porous composite solid-state electrolyte layer, with the filler materials infiltrating the porous scaffold. The solid-state electrolyte layer can be incorporated into a solid-state electrochemical energy device, such as a battery or fuel cell.
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