▎ 摘　　要

NOVELTY - Poly(norbornene-1,4-dimethyl-naphthoquinone) compound i.e. 12,14-dimethyltetracyclo(8.5.0.0(3,8).0(11,15))pentadeca-1(10),3(8),4,6-tetraene-2,9-dione compound (I) is new. USE - (I) is useful in preparing poly(norbornene-1,4-dimethyl-naphthoquinone)/graphene composite electrode (claimed) for anode material of lithium battery. ADVANTAGE - The method: has high polymerization efficiency and narrow polymerization degree distribution; is easy to process, and utilizes readily available raw materials. The poly(norbornene-1,4-dimethyl-naphthoquinone)/graphene composite electrode: has high capacity retention rate of 75.6%, improved stability, and showing excellent rate performance. DETAILED DESCRIPTION - Poly(norbornene-1,4-dimethyl-naphthoquinone) compound i.e. 12,14-dimethyltetracyclo(8.5.0.0(3,8).0(11,15))pentadeca-1(10),3(8),4,6-tetraene-2,9-dione compound of formula (I) is new. n = degree of polymerization. INDEPENDENT CLAIMS are also included for: (1) preparation of (I); and (2) preparing poly(norbornene-1,4-dimethyl-naphthoquinone)/graphene composite electrode, comprising (i) dissolving norbornene-1,4-dimethyl-naphthoquinone compound in a good solvent under an inert atmosphere, adding graphene into solvent, and dispersing uniformly by ultrasound, then adding third-generation Grubb's catalyst dichloro(1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)(benzylidene)bis(3-bromopyridine)ruthenium(II), terminating the polymerization with vinyl ether, precipitating with poor solvent, washing, filtering and drying under vacuum to obtain (I), where the molar ratio between monomer and catalyst is 100:1-200:1, and the mass ratio between monomer and graphene is 2:1, and (ii) grinding poly(norbornene-1,4-dimethyl-naphthoquinone)/graphene composite obtained in step (i) uniformly, then adding the binder solution, grinding and mixing uniformly, coating the slurry on the aluminum foil, drying at room temperature, rolling into round anode sheet, and vacuum drying the electrode sheet, where the mass ratio between composite and binder is 9:1.