Solid-state electrolytes based on fluorine-doped oxides
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United States of America Patent
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Jun 13, 2017
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Jul 11, 2012
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Jul 21, 2011
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Abstract
The use of particles of at least one crystalline oxide, preferably metal oxide, having an average particle size of less than 500 nm and a fluorine content of between 0.5 and 30% by weight, preferably between 0.5 and 5%, even more preferably between 1.0 and 4%, for the preparation of solid-state electrolytes, is described. Also described is a solid-state electrolyte, containing particles of at least one crystalline oxide, preferably metal oxide, having an average particle size of less than 500 nm, preferably between 10 and 500 nm, even more preferably between 50 and 300 nm; a fluorine content as noted above; an alkali or alkaline-earth metal content of between 0.5 and 10% by weight, preferably between 0.5 and 5%, even more preferably between 1 and 4%. Furthermore an inorganic-organic hybrid electrolyte obtainable by means of reaction of the aforementioned solid-state electrolyte with ionic liquids is described.
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