▎ 摘　　要

NOVELTY - A welding strip comprises 5-20 parts mass, preferably 18 parts mass silicon, 1-2 parts mass, preferably 2 parts mass copper, 2-8 parts mass, preferably 6 parts mass silver, 25-38 parts mass, preferably 32 parts mass tin, 4-6 parts mass, preferably 5 parts mass germanium, 2-6 parts mass, preferably 5 parts mass zinc, 1-4 parts mass, preferably 3 parts mass molybdenum, 10-25 parts mass, preferably 12 parts mass straw powder, 1-6 parts mass, preferably 5 parts mass nano carbon, 1-3 parts mass, preferably 1 parts mass graphene, 8-20 parts mass, preferably 10 parts mass polyethylene-sodium molybdate and remaining additive. USE - Welding strip for welding junction box. ADVANTAGE - The welding strip has excellent performance, strong tensile resistance, fast heat transfer speed, and effectively reduces the bowing probability of the battery sheet. The welding strip preparation method is simple and easy to industrialize. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the welding strip.