▎ 摘　　要

NOVELTY - Battery electrode comprises electrode coating layer comprises 1-95 wt.% silicon. The electrode coating layer further comprises water-soluble maleic anhydride- or maleic acid-containing polymer binder. The polymer binder comprises poly(methyl vinyl ether-alt-maleic anhydride), poly(methyl vinyl ether-alt-maleic acid), poly(styrene-alt-maleic acid) sodium salts, poly(styrene-co-maleic acid), partial isobutyl esters, poly(styrene-co-maleic acid), partial isobutyl/methyl mixed esters, poly(styrene-alt-maleic anhydride), partial methyl esters, poly(isobutylene-alt-maleic anhydride), poly(maleic anhydride-alt-1-octadecene), poly(ethylene-alt-maleic anhydride), polyethylene-graft-maleic anhydride, polypropylene-graft-maleic anhydride, polyisoprene-graft-maleic anhydride or polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene-graft-maleic anhydride. USE - Battery electrode. ADVANTAGE - The battery electrode improves safety of lithium-ion batteries. DETAILED DESCRIPTION - Battery electrode comprises electrode coating layer comprises 1-95 wt.% silicon. The electrode coating layer further comprises water-soluble maleic anhydride- or maleic acid-containing polymer binder. The polymer binder comprises poly(methyl vinyl ether-alt-maleic anhydride), poly(methyl vinyl ether-alt-maleic acid), poly(styrene-alt-maleic acid) sodium salts, poly(styrene-co-maleic acid), partial isobutyl esters, poly(styrene-co-maleic acid), partial isobutyl/methyl mixed esters, poly(styrene-alt-maleic anhydride), partial methyl esters, poly(isobutylene-alt-maleic anhydride), poly(maleic anhydride-alt-1-octadecene), poly(ethylene-alt-maleic anhydride), polyethylene-graft-maleic anhydride, polypropylene-graft-maleic anhydride, polyisoprene-graft-maleic anhydride or polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene-graft-maleic anhydride. The polymer binder further comprises functional compound additive. The functional compound additive comprises cyclodextrin-based compounds or tannic acid. An INDEPENDENT CLAIM is included for a method for forming battery electrode, which involves creating electrode coating layer from electrode slurry comprises aqueous solution of maleic anhydride- or maleic acid-containing polymer binder and 1-95 wt.% Si powder with optional additives, fabricating battery electrode by coating the slurry on current collector and pyrolyzing electrode coating layer. The polymer binder comprises Poly(methyl vinyl ether-alt-maleic anhydride), poly(methyl vinyl ether-alt-maleic acid), poly(styrene-alt-maleic acid) sodium salts, poly(styrene-co-maleic acid), partial isobutyl esters, poly(styrene-co-maleic acid), partial isobutyl/methyl mixed esters, poly(styrene-alt-maleic anhydride), partial methyl esters, poly(isobutylene-alt-maleic anhydride), poly(maleic anhydride-alt-1-octadecene), poly(ethylene-alt-maleic anhydride), polyethylene-graft-maleic anhydride, polypropylene-graft-maleic anhydride, polyisoprene-graft-maleic anhydride or polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene-graft-maleic anhydride and polymer binder further comprises functional compound additive, functional compound additive comprises cyclodextrin-based compounds or tannic acid.