▎ 摘　　要

NOVELTY - A graphene/calcium-titanium-oxide (hydroxide) (CaTi2O4(OH)2) composite powder preparing method involves utilizing hydrothermal method, dissolving graphene oxide in water, adding calcium-titanium-oxide (hydroxide), mixing and stirring to perform a hydrothermal reaction under alkaline conditions to obtain finished product. USE - Method for preparing graphene/calcium-titanium-oxide (hydroxide) composite powder. ADVANTAGE - The graphene/calcium-titanium-oxide (hydroxide) composite powder can be prepared with high electrochemical performance and wide popularization and application value in simple and convenient manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a graphene/calcium-titanium-oxide (hydroxide) composite powder prepared by the method.