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AssigneeGlobal Graphene Group, Inc.
InventorBor Z. Jang
Estimating the term…
A lithium secondary battery comprising a cathode, an anode, and an elastic polymer protective layer disposed between the cathode and the anode, and a working electrolyte in ionic communication with the anode and the cathode, wherein the elastic polymer protective layer comprises a high-elasticity polymer having a thickness from 2 nm to 200 μm, a lithium ion conductivity from 10−8 S/cm to 5×10−2 S/cm at room temperature, and a fully recoverable tensile elastic strain of at least 5% when measured without any additive or filler dispersed therein and wherein the high-elasticity polymer comprises a crosslinked polymer network of chains derived from a phosphazene compound and wherein the crosslinked polymer network of chains is impregnated with from 0% to 90% by weight of a liquid electrolyte.
A lithium secondary battery comprising a cathode, an anode, an elastic polymer protective layer disposed between the cathode and the anode, and a working electrolyte in ionic communication with the anode and the cathode, wherein said elastic polymer protective layer comprises a high-elasticity polymer, has a thickness from 2 nm to 200 μm, a lithium ion conductivity from 10−8 S/cm to 5×10−2 S/cm at room temperature, said high-elasticity polymer has a fully recoverable tensile elastic strain of at least 5% when measured without any additive or filler dispersed therein and wherein said high-elasticity polymer comprises a crosslinked polymer network of chains derived from a phosphazene compound and wherein said crosslinked polymer network of chains is impregnated with from 0% to 90% by weight of a lithium salt, a non-aqueous liquid solvent, or a liquid electrolyte comprising a lithium salt dissolved in a non-aqueous liquid solvent.
A process for manufacturing an elastic polymer protective layer, the process comprising (A) dispersing an inorganic solid electrolyte particles in a liquid reactive mass of an elastic polymer precursor to form a reactive slurry wherein said elastic polymer precursor comprises a phosphazene compound or derivative;
An elastic and flame retardant composite layer, wherein said elastic and flame retardant composite layer comprises a high-elasticity polymer and from 0.1% to 95% by weight of a flame retardant additive dispersed in, dissolved in, or chemically bonded to the high-elasticity polymer, wherein said composite layer has a thickness from 10 nm to 200 μm and a lithium ion conductivity from 10−8 S/cm to 5×10−2 S/cm at room temperature and said high elasticity polymer has a fully recoverable tensile strain greater than 5% when measured without any additive dispersed therein and wherein said high-elasticity polymer comprises at least a crosslinked polymer network of chains derived from at least one phosphazene compound.
Dependencies are inferred from the claim text.