▎ 摘　　要

NOVELTY - Cathode sheet comprises at least two graphene layers and silicon-carbon composite layer interposed between adjacent graphene layers, where the material of the silicon-carbon composite layer includes graphene-coated silicon particles. USE - The cathode sheet is useful for batteries (claimed). ADVANTAGE - The cathode sheet has excellent conductivity and cycle stability, improves cycle stability of the battery, reduces non-uniformity of silicon expansion, reduces the overall expansion rate, alleviates the volume expansion of silicon particles, and improves conductivity of silicon material. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: a method for preparing cathode sheet; and battery. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the cathode sheet.