▎ 摘　　要

NOVELTY - A cadmium graphene battery comprises a positive electrode, negative electrode and electrolyte, where the positive electrode of the cadmium graphene battery is a graphene electrode made of a flake graphite material, the negative electrode of the cadmium graphene battery is a metal cadmium and the electrolyte of the cadmium graphene battery is an alkaline solution, the metal cadmium amount is 1-2 times of the mass of graphene electrode and the concentration of the alkaline solution is 1-15 mol/L. USE - Cadmium graphene battery. ADVANTAGE - The cadmium graphene battery has high specific capacity, energy density, better mechanical performance, stability, prolonged service life, and can be prepared in simple and cost effective manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a graphene battery.