TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Material: The electrode material is oxidized graphene or graphene aqueous solution. The oxidized graphene or graphene aqueous solution is dispersed at 10-80 degrees C for 2-24 hours to obtain electrode material aqueous dispersion. Then, aniline and protonic acid are added into obtained aqueous dispersion liquid, stirred uniformly, and reacted at 0-50 degrees C. Oxidizing agent is slowly added, continuously stirred, reacted for 1-24 hours, filtered and washed. The filter cake is crushed to obtain electrode material. The concentration of graphene or graphene aqueous solution is 0.1-10 g/L. The mass ratio of aniline and electrode material is 0.3-1:1. The mass ratio of protonic acid and aniline is 0.5-50:1. The mass ratio of oxidizing agent and aniline is 1.5-3:1. The electrode material comprises anode material and cathode material. The anode material is made of nickel, lithium manganate, lithium cobaltate, lithium nickel cobalt oxide, lithium iron phosphate, lithium manganese oxide and lithium nickel cobalt lithium manganate. The cathode material is graphite, carbon nano tube, natural graphite, mesocarbon microbead, or CMS. The aniline is optionally substituted aniline. The protonic acid is toluenesulfonic acid, camphor sulfonic acid, salicylic acid, dodecyl sulfonic acid, dodecylbenzene sulfonic acid, naphthalene sulfonic acid, nonyl naphthalene sulfonic acid, polystyrene, polyethylene sulfonic acid, sulfamic acid, oxalic acid, citric acid, tartaric acid, hydrochloric acid, sulfuric acid, nitric acid, perchloric acid and phosphoric acid. The oxidizing agent is ammonium persulfate. The electrolyte is liquid electrolyte, polymer electrolyte, organic electrolyte or ion liquid electrolyte. The liquid electrolyte contains conductive salt (20-800 g/L). The organic electrolyte contains conductive salt and organic solvent. The conductive salt is chosen from perchlorate, lithium hexafluorophosphate, lithium tetrafluoroborate, trifluoromethanesulfonate, organic phosphate lithium salt, lithium organic borate, methyl lithium salt, and polyimine group lithium salt. The organic solvent is chosen from linear or cyclic carbonate, linear or cyclic ether, ketone, or non-combustible solvent phosphate. The ion liquid is halogen salt composite aluminum chloride type ion liquid, imidazole, pyridine, quaternary ammonium, quaternary phosphine cation composite and polyfluoro anion ion liquid.    TECHNOLOGY FOCUS - POLYMERS - Preferred Material: The polymer electrolyte contains polymer material and nano material. The polymer material is a copolymer of polyether, its mixture, polyacrylonitrile, polyacrylic acid, polyvinylidene fluoride, polyvinylidene fluoride hexafluoropropylene, polyethylene oxide, polyvinyl chloride, conductive polyaniline, conductive polypyrrole, and polythiophene conductive polymer. The nano material is chosen from titanium oxide, silicon oxide, zinc oxide, cerium oxide, zirconium oxide, tin oxide, ferric oxide, manganese oxide, vanadium oxide, nickel oxide, molybdenum oxide, tungsten oxide, yttrium oxide, titanium phosphate, iron phosphate, calcium phosphate, attapulgite, montmorillonite, kaolin, diatomite, wollastonite, mica, hydrotalcite, illite, sepiolite, zeolite, rare earth element, chromium nitride, silicon nitride, and silicon carbide.