▎ 摘　　要

NOVELTY - Preparing nitrogen-sulfur co-doped graphene-based composite porous aerogel comprises adding zinc nitrate and 2-methylimidazole into methanol solvent, adding polyvinylpyrrolidone, centrifuging, drying, heating from 25℃ to 300-350℃ at a rate of 5-10℃/minute, heat preserving for 3-5 hours, naturally cooling to obtain a ZIF-8 metal organic framework, dispersing polyacrylonitrile porous nanofibers and graphene oxide grafted polythiazole in deionized water, adding ZIF-8 metal organic framework, ultrasonically dispersing and stirring to obtain polyacrylonitrile porous nanofiber/graphene oxide grafted polythiazole/ZIF-8 dispersion, obtaining polyacrylonitrile porous nanofiber/graphene oxide grafted polythiazole/ ZIF-8 aerogel, heating from 25℃ to 250-300℃ under nitrogen protection, heat preserving for 2-3 hours, heating from 250-300℃ to 900-1000℃, and heat preserving for 10-15 hours. USE - The method is useful for preparing nitrogen-sulfur co-doped graphene-based composite porous aerogel. ADVANTAGE - The method is stable to process, easy to operate, reliable with quality, economical, environmentally friendly and has light weight, and good commercialization prospect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for nitrogen-sulfur co-doped graphene-based composite porous aerogel prepared by the above mentioned method.