▎ 摘　　要

NOVELTY - Preparing carbon-based lithium adsorption electrode for liquid lithium resource extraction comprises adding the lithium ion sieve adsorption powder, conductive filler and carbon precursor into the polymer solution, mixing uniformly to obtain the first mixture, coating the first mixture on the electrode supporting material and drying to obtain the electrode after drying, soaking the dried electrode in the first crosslinking agent solution for one time and crosslinking to obtain curing crosslinking electrode, drying the cured crosslinking electrode and then placing it in a carbide furnace to carbonize to obtain the carbon-based lithium adsorption electrode for liquid the lithium resource, the lithium ion sieve absorbing powder is lambda-manganese oxide, lithium iron phosphate (LiFePO4), lithium vanadium pentoxide (LiV2O5), lithium vanadium oxide (LiV3O8), lithium manganese oxide (LiMn2O4). USE - The method is useful for preparing carbon-based lithium adsorption electrode for liquid lithium resource extraction of lithium ion secondary battery ADVANTAGE - The electrode has large load amount, porous structure, high strength, corrosion resistance, smooth surface, low carbonization molding temperature, small influence to the adsorbent, adjustable boron, nitrogen and other doped elements, acid and alkali resistance. DETAILED DESCRIPTION - Preparing carbon-based lithium adsorption electrode for liquid lithium resource extraction comprises adding the lithium ion sieve adsorption powder, conductive filler and carbon precursor into the polymer solution, mixing uniformly to obtain the first mixture, coating the first mixture on the electrode supporting material and drying to obtain the electrode after drying, soaking the dried electrode in the first crosslinking agent solution for one time and crosslinking to obtain curing crosslinking electrode, drying the cured crosslinking electrode and then placing it in a carbide furnace to carbonize to obtain the carbon-based lithium adsorption electrode for liquid the lithium resource; the lithium ion sieve absorbing powder is lambda-manganese oxide, Lithium iron phosphate (LiFePO4), Lithium Vanadium Pentoxide (LiV2O5), Lithium vanadium oxide (LiV3O8), Lithium manganese oxide (LiMn2O4), the electrode supporting material is titanium plate, titanium net, graphite plate, foam nickel, conductive carbon cloth, aramid fiber cloth and basalt fiber cloth. The conductive filler is graphite powder, acetylene conductive carbon black, carbon nano tube, graphene and middle phase carbon microsphere. The carbon precursor is polyacrylonitrile chopped fiber, linear phenolic resin, asphalt, polyurethane, Schiff base polymer, ZIF-8, ZIF-67, MOF-5, polyphosphazene, benzoxazine resin and polypyrrole polyaniline, the effect is adjusting the pore, toughness of the carbon film and can selectively introduce doping element e.g. nitrogen, phosphorus element to enhance the conductivity and stability of the carbon film, the hydroxy in the polymer is crosslinked with boric acid or borate in the first crosslinking agent and the carboxy group in the polymer is crosslinked with the polyvalent metal ion in the first crosslinking agent.