Patent · US Active

Lithium accumulator comprising a positive electrode material based on a specific carbon material functionalized by specific organic compounds

US10497932B2 · kind B2 · utility

1Cited by

4References

23Claims

0Family size

Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

Gaëlle Charrier · Versailles, FR
Stéphane Campidelli · Maurepas, FR
Céline Barchasz · Fontaine, FR
Bruno Jousselme · Massy, FR
Renaud Cornut · Châtillon, FR

Key dates

Filing date	Aug 7, 2015
Grant date	Dec 3, 2019
Priority date	—
Expiry date	May 17, 2038

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a lithium accumulator comprising at least one electrochemical cell comprising an electrolyte positioned between a positive electrode and a negative electrode, said positive electrode comprising a positive electrode material comprising a carbonaceous material selected from carbon nanotubes, graphene or derivatives of graphene selected from graphene oxides, reduced graphene oxides, said carbonaceous material is covalently functionalized by at least one organic compound comprising at least one electron attractor group.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.