▎ 摘　　要

NOVELTY - Manufacture of heteroatom-doped porous graphene electrocatalyst involves mixing perforated-surface graphene oxide, heteroatom source compound as dopant and a solvent to obtain a coating solution, applying the coating liquid to the substrate surface, freeze-drying perforated-surface graphene oxide-heteroatom-containing precursor solid film on substrate, placing the film in high-temperature plasma tube reactor, supplying reducing gas, heating, cooling, soaking in acid, washing with deionized water, and drying. USE - Manufacture of heteroatom-doped porous graphene electrocatalyst used for cathode material for proton exchange membrane fuel cell, direct alcohol fuel cell and metal-air battery (all claimed). ADVANTAGE - The method enables efficient manufacture of heteroatom-doped porous graphene electrocatalyst with excellent electrochemical characteristics and redox catalytic property. DETAILED DESCRIPTION - Manufacture of heteroatom-doped porous graphene electrocatalyst involves ultrasonically-dispersing graphene oxide in water to obtain a graphene oxide solution, stirring, adding concentrated nitric acid, ultrasonically-reacting, adding deionized water, centrifuging, deacidifying, purifying, filtering, drying to obtain perforated-surface graphene oxide, mixing perforated-surface graphene oxide, heteroatom source compound as dopant and a solvent to obtain a coating solution, applying the coating liquid to the substrate surface, freeze-drying perforated-surface graphene oxide-heteroatom-containing precursor solid film on substrate, placing the film in high-temperature plasma tube reactor under pressure of 10-4 to 10-3 Pa, supplying reducing gas to high-temperature plasma reactor, heating to 300-600 degrees C, cooling, soaking in dilute acid, washing with deionized water, and drying.