Saint-Gobain Ceramics & Plastics, Inc.

Gaurav Assat

Vladimir Ouspenski

John M Frank

Chuanping Li

Yuto Takagi

Michael McGahan

Ruofan Wang

A solid electrolyte material can include a halide material represented by LiMREMe(ClBrFI), wherein the halide material includes at least two halide anions. The halide material can include reduced content of one or more impurity phase, including binary halide phase, oxyhalide phase, or ternary halide phase.

Electrolyte material and methods of forming

An ion conductive layer can include a hygroscopic ion conductive material, such as a halide-based material. In an embodiment, the ion conductive layer can include an organic material, ammonium halide, or a combination thereof.

Ion conductive layer and methods of forming

A solid electrolyte material can include a halide-based material having a crystalline structure including a disorder. In an embodiment, the solid electrolyte material can include a crystalline structure include stacking faults. In another embodiment, the solid electrolyte material can include a crystalline phase including a crystalline structure represented by a space group of the hexagonal crystal system or a space group of a rhombohedral lattice system. In another embodiment, the solid electrolyte material can include a crystalline phase including a crystalline structure represented by a monoclinic space group and a unit cell containing a reduced number of halogen atoms.

A solid ion conductive material can include a complex metal halide. The complex metal halide can include at least one alkali metal element. In an embodiment, the solid ion conductive material including the complex metal halide can be a single crystal. In another embodiment, the ion conductive material including the complex metal halide can be a crystalline material having a particular crystallographic orientation. A solid electrolyte can include the ion conductive material including the complex metal halide.

Ion conductive material, electrolyte including ion conductive material, and methods of forming

Ion conductive material including halide material, electrolyte including the same, and methods of forming the same

Ion conductive material including complex metal halide, electrolyte including the same, and methods of forming the same

Ion conductive layer including binder material

A solid electrolyte material can include an ammonium-containing complex metal halide. In an embodiment, the ammonium-containing complex metal halide can be represented by (NH)M(Me)X, wherein 0&#x3c;n, 0&#x2264;z&#x3c;3, 2&#x2264;k&#x3c;6, 0&#x2264;f&#x2264;1; M comprises at least an alkali metal element, X comprises a halogen, and Me comprises a divalent metal element, a trivalent metal element, a tetravalent metal element, a pentavalent metal element, a hexavalent metal element or any combination thereof.

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Paris, France

Gaurav Assat