▎ 摘　　要

NOVELTY - A nano composite catalyst comprises 1-8 pts. wt. nano silver, 1-8 pts. wt. graphene, 10-18 pts. wt. hydroxymethyl cellulose, 48-58 pts. wt. carbon powder, 0.1-0.5 pt. wt. mercaptobenzothiazole, 10-18 pts. wt. cobalt hydroxide, 14-23 pts. wt. fluorescent microspheres, 25-42 pts. wt. ethylene glycol, 1-8 pts. wt. furfural, 20-45 pts. wt. chloroplatinic acid and 10-18 pts. wt. vitamin E. USE - Nano composite catalyst for methanol fuel cell. ADVANTAGE - The composite catalyst has excellent catalytic effect and stable performance and is environmentally-friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of nano composite catalyst.