Uniform organic-ceramic composites including a hard-inorganic lithium ion electrolyte and a plurality of soft electrolytes, solid-state batteries including the same, and methods of preparing the same

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United States of America Patent

PATENT NO 11728511
APP PUB NO 20220278361A1
SERIAL NO

17188468

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Abstract

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A solid-state electrolyte for a lithium battery that includes a hard-inorganic electrolyte and at least two soft electrolytes (SEs), where the melting point of the solid-state electrolyte is less than the melting point of a highest melting SE included in the solid-state electrolyte. The SEs include ammonium or phosphonium salts of closo-borates and can include lithium closo-borates salts. The hard-inorganic electrolyte is a lithium thiophosphate (LPS), where the plurality of SEs is melt-diffused throughout the homogeneous combined hard-inorganic electrolyte and a plurality of SEs at a temperature below the highest melting point SE, generally below 100° C. The relative density of the solid-state electrolyte is greater than 90 percent.

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Patent Owner(s)

Patent OwnerAddress
TOYOTA JIDOSHA KABUSHIKI KAISHATOYOTA-SHI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arthur, Timothy S Ann Arbor, US 30 134
Mohtadi, Rana Northville, US 32 145
Singh, Nikhilendra Ann Arbor, US 32 109
Tutusaus, Oscar Ann Arbor, US 27 53

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