▎ 摘　　要

NOVELTY - A graphene-polycarboxylate type material comprises polycarboxylate compound. USE - The graphene-polycarboxylate type material is useful for filler in polymeric matrices, in direct and reverse osmosis membranes, and in lithium batteries. ADVANTAGE - The material is a high electrical conductivity, uniform, material based on nanoparticles-Li+-polycarboxylate grafted layer graphene oxide including perovskite type nanoparticles. DETAILED DESCRIPTION - A graphene-polycarboxylate type material comprises polycarboxylate compound of formula (I). X=H+ or Li+; Y'=H+, AB'O3 or functionalized AB'O3; R1=methyl, ethyl, propyl, isopropyl, isobutyl ester or butyl carboxylate; R2=chlorine or bromine; A=Ca(II), Mg(II), Sr(II) or Ba (II); B'=Ti(III), V(III), Mn(III), Fe(III), Co(III) or Ni(III); and n=1-300.