▎ 摘　　要

NOVELTY - Aqueous MXene-based energy storage electrode material 3D printing ink comprises oxygen-free water, MXene, auxiliary agent, and energy storage electrode active materials. USE - The aqueous MXene-based energy storage electrode material 3D printing ink is useful in printing substrates (claimed). ADVANTAGE - The 3D printing ink is environmentally friendly and has excellent electrical conductivity, electrochemical performance, stability, and dispersibility in water. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: Preparing aqueous MXene-based energy storage electrode material 3D printing ink comprising (i) uniformly mixing the raw material system containing MXene, auxiliary agent, and energy storage electrode active material with oxygen-free water to obtain mixed solution, and (ii) under the condition of an inert gas atmosphere, subjecting the mixed solution obtained in step (i) to ball milling treatment to obtain the water-based MXene-based energy storage electrode material 3D printing ink; and Use of aqueous MXene-based energy storage electrode material 3D printing ink in printing substrates.