▎ 摘　　要

NOVELTY - Complex cathode material comprises capsule material, the capsule material includes mixed silicon oxide powder, conductive agent, styrene-butadiene rubber and lithium silicate. A coating carbon source, the coating carbon originating from the outer periphery of the capsule material to form a carbon coating layer, and a solvent. USE - The complex cathode material is useful in lithium battery. ADVANTAGE - The complex cathode material: has high energy density, and has good initial charge-discharge efficiency and cycle performance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: preparing the complex cathode material; lithium battery, comprising the complex cathode material