US 2024/0266601 A1 · COMPOSITION FOR PREPARING A GEL POLYMER ELECTROLYTE, GEL POLYMER ELECTROLYTE, AND LITHIUM-METAL SECONDARY BATTERY COMPRISING IT

Composition for preparing a gel polymer electrolyte, gel polymer electrolyte, and lithium-metal secondary battery comprising it

OwnerJuan NICOLÁS AGUADO, Francisco José ALÍA MORENO-ORTÍZ +6inventors

InventorsJuan NICOLÁS AGUADO, Francisco José ALÍA MORENO-ORTÍZ, Oihane GARCÍA CALVO, Andriy KVASHA, Elisabetta FEDELI, Tho THIEU, Izaskun COMBARRO PALACIOS, Idoia URDAMPILLETA GONZALEZ

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Abstract

It is provided a composition for preparing a gel polymer electrolyte comprising a mixture of LiPF6, LiTFSI, and LiDFOB; a solvent system comprising a fluorinated cyclic carbonate solvent and a linear carbonate solvent; a (meth)acrylate monomer; and a polymerization initiator. It is also provided a gel polymer electrolyte formed by in-situ polymerization of the composition, and a lithium-metal secondary battery comprising it.

Claims20

Dependent claims

A composition for preparing a gel polymer electrolyte, the composition comprising:

LiPF6, LiTFSI, and LiDFOB as electrolyte salts;
a solvent system comprising a fluorinated cyclic carbonate solvent and a linear carbonate solvent;
a (meth)acrylate monomer;
and
a polymerization initiator.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

18/580,124Filed 22 Jul 2022

Priority

EP 21382673.823 Jul 2021

Published

8 Aug 2024

Term ends

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Classification10 codes

H01M 10/0565
The electrolyte being constituted of organic materials only: polymeric materials, e.g. gel-type or solid-type
H01M 10/052
Accumulators with non-aqueous electrolyte: li-accumulators
H01M 10/0525
Li-accumulators: rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 10/0568
Liquid materials: characterised by the solutes