▎ 摘　　要

NOVELTY - Constructing lactose fuel cell comprises taking paper as substrate, using chitosan and graphene on the surface to modify, placing the modified paper for more than 24 hours, taking modified paper as substrate for under-electric potential deposition to prepare gold-nickel-platinum/paper metal Nano composite electrode, taking the modified electrode as anode, platinum as cathode, lactose solution as bottom liquid building lactose fuel cell. USE - The method is useful for constructing lactose fuel cell. ADVANTAGE - The method enables constructing the lactose fuel cell with better catalytic effect of the noble metal, low load of platinum-gold, low electrode cost, strong anti-poisoning ability and stable structure. DESCRIPTION OF DRAWING(S) - The drawing shows a preparation process of the three-dimensional Nano-precious metal electrode.