▎ 摘　　要

NOVELTY - A graphene composition comprises graphene sheet and at least one multifunctional aliphatic compound. The multifunctional aliphatic compound is chosen from compounds (I)-(VI). USE - Graphene composition is used for ink/coating composition for coated article (all claimed). Uses include but are not limited to battery, light-emitting diode, organic light-emitting diode, music player, photovoltaic device, cellular telephone, computer, calculator, flat panel display and building, etc. ADVANTAGE - The graphene composition has excellent electroconductivity, thermal conductivity and mechanical property. DETAILED DESCRIPTION - A composition comprises graphene sheet and at least one multifunctional aliphatic compound. The multifunctional aliphatic compound is chosen from compounds of formula: X1-X2 (I) and (II)-(VI). Z=O or NR; R,R1,R2,R3,R4=H, alkyl, aryl, alkeneyl, alkynyl or X; X,X1,X2=-CH2OH, -CH2OR, -CH2OOH, -CH2OOR, -CO2H, -CO2R, -CHO, -CH2NH2, -COCl, -COF, -COBr, -CH2CN, -CH2-OCN, -CH2NCO, -CH2N3, -CO2-Y'+, -CH2-OCOR, -CON2, -F, -Cl, -Br, -I, -CH2SSR, -CH2SCN, -CH2NCS, -CH2-C(=NH)-R1, -CH2-S(=O)-OH, -CH2-C(=O)-N(-R1)-C(=O)-R2, or group of formula (i)-(iii);and Y'=cationic counter ion. An INDEPENDENT CLAIM is included for ink/coating composition, which comprises graphene composition.