TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Process: The preparation of the electrode comprises applying the composition on the collector by coating or screen printing. Preferred Components: The lithium insertion material comprises transition metal oxide having spinel structure of lithium compound of formula (LiM2O4) (I); a transition metal oxide having lamellar structure of lithium compound of formula (LiMO2) (II); oxide having polyanionic structure containing lithium compound of formula (LiMy(XOz)n) (III), preferably oxide having polyanionic structure of olivine structure comprising lithium iron phosphate (LiFePO4); and vanadium based oxide. The insertion lithium material is lithium alloy, nano dispersion of lithium alloy in a lithium oxide, carbon, graphite, lithium and titanium spinel having lithium compound of formula ((Li1+y)Ti2x-x /4O4) (x is 0-1, and y is 0-1), lithium and transition metal and/or titanium oxide. The electronic conductor is a material with a conductivity of greater than 1 S.cm-1 at 25 degrees C. The electronic conductor has a granulometry greater than that of the insertion material. The electronic conductor has a specific surface of greater than 10m2g-1. The electronic conductor is carbon black and/or activated carbon. The amino-functional cationic polyelectrolyte is synthetic polyelectrolyte. The electronic conductor is present at 1-10 wt.%, preferably 1-5 wt.%, compared to the total mass of the compounds comprising lithium insertion material, electronic conductor and amino-functional cationic polyelectrolyte. The quantity of the insertion material is present at 70-99 mass.%, preferably 85-99 mass.%, compared to the total mass of compound comprising lithium insertion material, electronic conductor and amino-functional cationic polyelectrolyte. The current collector is a bidimensional conductor support as solid strip or perforated carbon or metal. The electrolyte is a salt solution, in which the cation contains at least a lithium ion comprising lithium perchlorate, lithium hexafluoroarsenate, lithium hexafluorophosphate, lithium tetrafluoroborate, methane sulfonic lithium, and lithium compound of formulae LiRFSO3, LiN(RFSO2)2, and LiC(RFSO2)3 (IV), in an aprotic solvent. In formula (I):M = metallic atom comprising at least one metallic atom comprising Mn, Ni (both preferred), Fe, Co, Cu, Mg, Zn, V, Ca, Sr, Ba, Ti, Al, Si, B or Mo.In formula (II):M = metallic atom comprising at least one metallic atom comprising Mn, CO, Ni (all preferred), Fe, Cu, Mg, Zn, V, Ca, Sr, Ba, Ti, Al, Si, B or Mo.In formula (III):M = metallic atom comprising at least one metallic atom comprising Mn, Fe, Co, Ni, Cu, Mg, Zn, V, Ca, Sr, Ba, Ti, Al, Si, B or Mo;X = atom comprising P, Si, Ge, S or As; andy, z, and n = positive numbers.In formula (IV):R = not defined    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The composition B further comprises one or more compounds comprising dispersant agent and anionic synthetic polyelectrolyte. The composition further comprises at least one compound comprising a thickener and a binder in a quantity of 0-10 mass.% compared to the compound comprising lithium insertion material, electronic conductor material and amino-functional cationic polyelectrolyte. The composition comprises a dry extract (25-70%). The composition B comprises a solvent and a compound comprising dispersant and/or anionic polyelectrolyte, where the preparation of the composition B comprises dissolution of the dispersant and/or anionic polyelectrolyte in the solvent, and introduction of a second material comprising insertion material and electronic conductor material. Preferred Components: The amino-functional cationic polyelectrolyte is polymer obtained by carrier monomer combination comprising aminal, oxime, nitrile, imine, primary amine, secondary amine, tertiary amine, pyridine, enamine, ynamine, hydrazone, amide, amino acid, aminoester, isocyanate, nitrene, carbamate, carbazate, hydrazine, oxaziridine, beta -lactam, enamide, cyanohydrin, pyrimidine, hydropyrimidine, pyrazine, piperazine, imidazolidine, pyridazyne, aziridine, azetidine, pyrrolidine, piperidine, oxazole, oxazoline, oxazolidine, oxazolidinone, imidazoles, pyrrole, carbamic acid, urea, imide, hydroxymic acid, triazole and isooxazole, optionally in combination with non-ionic monomers. The amino-functional cationic polyelectrolyte is poly(allylamine hydrochloride), poly(diallyldimethylammonium chloride), poly(vinylpyridine), poly(aniline), poly(ethylenimine) and/or poly(ethyl N, N, N-trimethyl ammonium acrylate chloride). The quantity of the polyelectrolyte is 1x 10-5 to 5 wt.%, preferably 1x 10-3 to 1 wt.% compared to the quantity of the material comprising insertion material and electronic conductor equally present in A. The anionic polyelectrolyte has sulfonic acid group and sulfate ester. The dispersant comprises a material comprising non-ionic surfactant. The quantity of the dispersant agent is 1x 10-5 to 25 wt.%, preferably 1x 10-3 to 5 wt.%, compared to the quantity of the material comprising insertion material and electronic conductor equally present in B. The quantity of the anionic polyelectrolyte is 1x 10-5 to 5 wt.%, preferably 1x 10-3 to 1 wt.%, compared to the quantity of material comprising insertion material and electronic conductor equally present in B. EXAMPLE - No suitable example given.