▎ 摘　　要

NOVELTY - Preparing oxidation nitrogen-doped carbon nano-tube array cluster/flexible carbon fiber material integrated electrode involves filling flexible carbon fiber material with thermal catalytic vapor deposition catalyst precursor material as substrate, depositing nitrogen-doped carbon nanotube array cluster with high distribution density on substrate, and further high temperature heat treatment to obtain oxidized nitrogen-doped carbon nanotube array cluster/flexible carbon fiber material. USE - Method for preparing nitrogen-doped carbon nanotube array cluster/flexible carbon fiber material integrated electrode used in metal-air battery, proton exchange membrane hydrogen fuel cell and direct methanol fuel cell electrode material. ADVANTAGE - The integrated electrode material has high conductivity, excellent mass transfer and load transfer ability, can promote reactant oxygen reduction and product lithium oxide reaction rate of reversible decomposition, improves the reaction kinetics, and has wide application prospect in the metal-air battery, proton exchange membrane hydrogen fuel cell and direct methanol fuel cell electrode material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for an application of integrated electrode in a lithium-air battery, which involves: (A) using integrated electrode is used in a lithium-air battery, using oxidized nitrogen-doped carbon nanotube array cluster/flexible carbon fiber material integrated electrode is as the positive electrode, using lithium metal sheet and the Celgad2400 polypropylene film as the negative electrode and the separator, respectively, and using 0.1-3mol L 1LiTFSI-TEGDME as the electrolytic cell; (B) using oxidized nitrogen-doped carbon nanotube array cluster/flexible carbon fiber material integrated electrode as the positive electrode; (C) using lithium metal sheet and the Celgad2400 polypropylene film as the negative electrode and the separator; (D) using 0.1-3mol L 1LiTFSI-TEGDME as the electrolyte, and then using CR2032 buttons to assemble the lithium-air battery with a type battery shel; (E) sealing the assembled battery with a hydraulic sealer at 1-10 MPa; (F) assembling entire components of the lithium-air battery in a glove box filled with argon, and the water and oxygen content are both less than 0.1 ppm; and (G) putting the assembled lithium-air battery in a pure oxygen atmosphere for 1-10 hours, and then conducting the electrochemical performance test.