Solid Power Operating, Inc.

Benjamin Carlson

Brian E Francisco

Sean P Culver

Ilya Iisenker

A solid electrolyte material comprising Li, T, X and A wherein T is at least one of P, As, Si, Ge, Al, and B; X is BH; A is S, Se, or N. The solid electrolyte material may include glass ceramic and/or mixed crystalline phases, and exhibits high ionic conductivity and compatibility with high voltage cathodes and lithium metal anodes.

Solid electrolyte material and solid-state battery made therewith

A method of synthesizing a solid-state electrolyte where PS, NaS and LiCl are dissolved in one of more solvents; where upon reacting of the mixture, NaCl precipitates out and is removed from the solution; the solvent is removed; and the sulfide solid-state electrolyte is dried, then crystalized to be used in a solid-state battery. A solid-state battery comprising the produced sulfide solid-state electrolyte is also described.

Method of synthesis of solid electrolyte, a solid-state electrolyte composition, and an electrochemical cell

A solid electrolyte material comprises Li, T, X and A wherein T is at least one of P, As, Si, Ge, Al, Sb, W, and B; X is one or more halogens and/or N; A is one or more of S or Se. The solid electrolyte material has peaks at 14.9°±0.50°, 20.4°±0.50°, and 25.4°±0.50° in X-ray diffraction measurement with Cu—Kα(1,2)=1.5418Å and may include glass ceramic and/or mixed crystalline phases.

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Benjamin Carlson