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AssigneeSolid Power Operating, Inc.
InventorsBrian E. FRANCISCO, Samuel M. OBERWETTER
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Processes for making sulfide-based solid electrolyte composites include mixing a lithium-containing material, a phosphorus-containing material, a sulfur-containing material, and a halogen-containing material in a solvent, removing the solvent, and then heat-treating the materials to form the sulfide-based solid electrolyte composites. The composites include an argyrodite component and second component, wherein each component has a unique x-ray diffraction pattern. The electrolyte composites may be incorporated into electrochemical cells, including solid-state batteries.
A process for forming a sulfide-based solid electrolyte composite comprising:
A process for forming a sulfide-based solid electrolyte composite comprising:
A sulfide-based solid electrolyte composite comprising:
A solid-state battery including an anode layer, a cathode layer, or a separator layer comprising a solid electrolyte composite, the solid electrolyte composite comprising a first component and a second component, wherein the first component has an Argyrodite structure with x-ray diffraction (XRD) peaks at 2θ=25.6°±0.5°, 30.0°±0.5°, and 31.4°±0.5°, and the second component has XRD peaks at 2θ=20.9°±0.5°, 31°±0.5° and 33°±0.5 with Cu−Kα(1,2)=1.5418 Å.
Dependencies are inferred from the claim text.