TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - The alkali salt comprises an anion selected from halogenide, sulfate, sulfonate, acetate, imide, perchlorate, borate and phosphate (preferably lithium-bis(trifluoromethanesulfonyl)imide (CF3SO2)2NLi). The alkali salt is a lithium salt. The alkali metal phosphate is lithium-iron-phosphate (LiFePO4).    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The unsaturated monomers comprise optionally substituted pyrrole, thiophene, and/or aniline (preferably 3,4-ethylenedioxythiophene). The oxidant comprises hydrogen peroxide (H2O2), bromine (Br2), iodine (I2), persulfate, and/or peroxodisulfate.    TECHNOLOGY FOCUS - POLYMERS - Preferred Method: In the method, the electronically conductive polymer is at least partially grafted on the surface of the alkali metal phosphate. The compound (I) is obtained by partial delithiation of A'M'XO4. The partial delithiation is performed by an oxidant in aqueous media. The polymerization is performed in solution (preferably alcohol), in a vapor phase of the monomers, in a gas phase, or in presence of an alkali salt. In the method, the partially delithiated alkali metal phosphate is present as elementary particles or agglomerates of particles. The partial delithiation is performed by a gaseous oxidant comprising NO2. The compound (I) comprises a carbon deposit obtained by pyrolysis of an organic precursor. Preferred Definitions:    M'=at least 90% at. Fe(II) or Mn(II);    x=0.02-0.4.    EXAMPLE - Fluorad Lithium HQ-115 (RTM: lithium bis(trifluoromethanesulfonyl)imide) was dissolved in methanol (25 ml) in a petri dish. After 3,4-ethylenedioxy-thiophene (0.51 g) and Li(0.7)FePO4 (4.68 g) was added to the solution. The dish was placed in an oven at 60 degrees C for 2 hours. A blue color appeared after the evaporation of solvent. The mixture was filtered and rinsed with methanol and acetonitrile. The polymerized 3,4-ethylenedioxythiophene (PEDOT)-LiFePO4 (LFP-1) was dried at 60 degrees C overnight in vacuum oven. The composite cathode electrode was prepared with LFP-1, EBN1010 (RTM: graphite powder) as conductive agent and PVdF-HFP as binder in 80/10/10 wt. proportions. Electrochemical performances of cathode coating were investigated at room temperature in coin cell battery using metallic lithium as anode and 1M lithium perchlorate (LiClO4) in EC:DMC (1:1) impregnated in Celgard (RTM: polypropylene) (25 mu m) as electrolyte. Cathode surface was 1.5 cm2 with 3.97 mg/cm2 LFP-1 loading. A first slow scan voltametry (20 mV/h), between a voltage of 3-3.7 V versus Li+/Li0 was performed at ambient temperature with a VMP2 multichannel potensiostat. Power tests were further performed by intentiostatic experiment, rates were calculated from the specific capacity value obtained from first slow scan voltametry (144.5 mAh/g). At 1C discharge capacity is 134 mAh/g and at 10C 112 mAh/g.