▎ 摘　　要

NOVELTY - Bionic nacre structure electrode is claimed. The electrode has layer-by-layer graphene sheets as tough organic substrate structure, high-capacity inorganic/organic or its composite material is embedded between the layers as electrochemically active nano-reinforced phase, and the electrode has nacre-type tough structure. USE - The bionic nacre structure electrode is useful in metal ion batteries (claimed). ADVANTAGE - The bionic nacre structure electrode improves the electronic conductivity of its internal electrochemical energy storage active material, and its tough composite structure can maintain the structural stability of the active material; has excellent strength and moldability quantity and electrochemical performance, and exhibits excellent energy storage effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing bionic nacre structure electrode. The method utilizes acid solution and surface tension modifier.