Solid Electrolyte For An All Solid State Battery

Abstract: The present invention relates generally to the field of electrical energy storage in all-solid-state batteries, in particular secondary Li-ion batteries. More specifically, the invention relates to a solid electrolyte formed by a polymer matrix and a fibrous reinforcement, which makes it possible to manufacture a non-porous film affording a very good compromise between ion conductivity, electrochemical stability, high-temperature stability and mechanical strength. This film is intended for application as a separator of all-solid-state batteries, in particular for Li-ion batteries. The invention also relates to an all-solid-state battery comprising such a separator and/or such an electrolyte.

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