▎ 摘　　要

NOVELTY - A secondary battery organic macromolecular cathode electrode material comprises multi-layer composite structure formed by alternating overlapping layers of metal phthalocyanine tetrasulfonic acid tetra-salt layer and graphene oxide sheet at mass ratio of (1-4):1. The thickness of multilayer composite structure is 2-20 mu m. USE - Secondary battery organic macromolecular cathode electrode material. ADVANTAGE - The electrode material solves problem of dissolving the electrolyte in the electrochemical reaction process and has increased conductivity and excellent storage performance for secondary battery system. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the cathode electrode material comprising using metal phthalocyanine sulfonic acid salt and graphene oxide as template, ultrasonic oscillating with water, and performing one-step synthesis.