▎ 摘　　要

NOVELTY - Electron density regulation zinc manganate graphene positive electrode material i.e. zinc-manganese oxide complex (I) is new. USE - (I) is useful in the technical field of electrochemical energy storage, and for chemically self-charging aqueous zinc-ion battery in the technical field of electrochemical energy storage (all claimed). ADVANTAGE - (I): improves the overall performance of electrochemical energy storage devices; and reduces the energy of electron transport. DETAILED DESCRIPTION - Electron density regulation zinc manganate graphene positive electrode material i.e. zinc-manganese oxide complex (N-ZnMn2O4-x/VG) (I) is new. X = 0-4. INDEPENDENT CLAIMS are also included for: 1. preparation of (I); and 2. chemical self-charging aqueous zinc ion battery, comprising a positive electrode, a negative electrode and an electrolyte, and the positive electrode material is the electron density regulation zinc manganate graphene material.