TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The lithium-containing compound comprises lithium cobalt oxide, lithium nickel oxide, lithium containing compound of formula (LiNi1-xCoxO2), lithium containing compound of formula (LiNi(0.85)Co(0.1)Al(0.05)O2), lithium containing compound of formula (LiNi(0.33)Mn(0.33)O2), lithium manganese oxide, lithium iron phosphate (preferred), lithium vanadium phosphate (Li3V2(PO4)3), lithium manganese phosphate (LiMnPO4), and/or lithium vanadium oxide (LiV3O8). The lithium-containing compound has a particle size of 0.02-100 mu m. N.B. x is not defined.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The complex comprises poly (3,4-ethylenedioxythiophene) and polystyrenesulfonic acid. The organic solvent is protic solvent. The organic solvent comprises water, alcohol, ketone, nitrile, sulfoxide, sulfone, carboxylic acid amide, pyrrolidone, and/or carbonate, preferably N-methylpyrrolidone. The weight ratio of the component (a) to (b) in the composition is 1:1-200:1. Preferred Method: The method comprises: oxidative polymerization of thiophene monomers in the presence of polyanions in an aqueous phase with an oxygen having a concentration of less than 3 mg/l, to obtain an aqueous composition comprising complexes of the polythiophene and the polyanion; partially removing salts from the obtained aqueous composition using ion exchanger; adding at least one polar organic solvent to the desalted aqueous composition; at least partially removing water from the desalted aqueous composition to obtain an organic composition comprising the polythiophene, and complexes of polyanions and at least one organic polar solvent; and mixing the obtained organic composition with at least one lithium-metal oxide. The oxidative polymerization is carried out at a pressure of less than 500 mbar. Preferred Composition: The composition has a solid content of 0.01-60 wt.%. The composition has a water content of 10 wt.%, determined by Karl Fischer titration. The aqueous composition comprises 5 wt.% of dimethyl sulfoxide having a conductivity of at least 50 S/cm, or at least 100 S/cm. EXAMPLE - No suitable example given.