▎ 摘　　要

NOVELTY - Preparing three-dimensional porous carbon with individual lattice structure based on 3D printing comprises e.g. (1) using computer three-dimensional software to design lattice units, arranging and stacking according to the final required shape, and obtaining the final digital model, (2) adding the biomass material and binder into the ball mill, mixing, mixing the activator and functional additives in high-speed mixer to obtain 3D printing substrate, and (3) the final digital model is STL data, converting the STL data into signaling line circuit (SLC) data through the slicing software, inputting into the selective laser sintering machine, where the 3D printing substrate is 3D printed using the selective laser sintering machine to obtain carbon precursor. USE - The method is useful for preparing three-dimensional porous carbon with individual lattice structure based on 3D printing. ADVANTAGE - The porous carbon has larger specific surface area, is convenient for catalyst adhesion, and has good electrical performance. The method realizes manufacturing of personalized macroscopic three-dimensional models of arbitrary shapes. DETAILED DESCRIPTION - Preparing three-dimensional porous carbon with individual lattice structure based on 3D printing comprises (1) using computer three-dimensional software to design lattice units, arranging and stacking according to the final required shape, and obtaining the final digital model, (2) adding the biomass material and binder into the ball mill, mixing, mixing the activator and functional additives in high-speed mixer to obtain 3D printing substrate, (3) the final digital model is STL data, converting the STL data into signaling line circuit (SLC) data through the slicing software, inputting into the selective laser sintering machine, where the 3D printing substrate is 3D printed using the selective laser sintering machine to obtain carbon precursor, (4) carbonization and activation of precursors as follows: (4a) carbonizing the carbon precursor in inert gas at carbonization temperature of 600-850 degrees C for 2-8 hours to obtain carbonized carbon material, and (4b) activating the carbonized carbon material in inert gas at activation temperature of 700-900 degrees C for 2-10 hours to obtain material, and (5) carrying out carbonization activation cycle as follows: (5a) immersing the material in the polymer liquid, removing out, placing in drying oven for drying to obtain impregnated material, (5b) carbonizing the immersed material in inert gas at carbonization temperature of 600-850 degrees C for 2-8 hours to obtain secondary carbonized carbon material, and (5c) activating the secondary carbonized carbon material in inert gas at activation temperature of 700-900 degrees C for 2-10 hours to obtain personalized three-dimensional porous carbon with lattice structure. DESCRIPTION OF DRAWING(S) - The drawing shows a flow diagram illustrating the method for preparing three-dimensional porous carbon with individual lattice structure based on 3D printing (Drawing includes non-English language text).