▎ 摘　　要

NOVELTY - A lithium-ion battery composite current collector has a conductive substrate whose surfaces are coated with a coating layer comprising coating layer (I) and coating layer (II). The coating layer (I) is formed on conductive substrate surface. The coating layer (II) is formed on coating layer (I). The material of coating layer (I) comprises graphene and binder. The material of coating layer (II) includes carbon nanotubes, binder, foamed particles and organic templating agent. USE - Lithium-ion battery composite current collector (claimed). ADVANTAGE - The lithium-ion battery composite current collector has interface contact conductivity of more than 50%. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of lithium-ion battery composite current collector.