▎ 摘　　要

NOVELTY - A composite silver plating solution comprises 20-60 g/l water-soluble silver-containing compound, 80-140 g/l succinimide, 80-140 g/l pyrophosphate, 0.5-3 g/l graphene and 0.075-1.2 g/l polyvinylpyrrolidone. USE - Composite silver plating solution used in electrodeposition process (claimed). ADVANTAGE - The composite silver plating solution has high dispersibility, excellent coating performance and improved performance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) preparation of the composite silver-plating solution; and (2) electrodeposition process.