• 专利标题:   Preparation of sandwich structure porous carbon/graphene/porous carbon composite carbon nanosheet used for preparing manganese(II) oxide-reduced graphene oxide-manganese(II) oxide nanosheet material involves carbonizing graphene oxide.
  • 专利号:   CN111646514-A
  • 发明人:   FANG H, ZHANG Y, WANG L, ZHANG L, JIA X, YAN J, MENG F
  • 专利权人:   UNIV ZHENGZHOU LIGHT IND
  • 国际专利分类:   B82Y030/00, B82Y040/00, C01B032/05, C01B032/184, C01G045/02, H01M010/36, H01M004/36, H01M004/50, H01M004/62
  • 专利详细信息:   CN111646514-A 11 Sep 2020 C01G-045/02 202080 Pages: 10 Chinese
  • 申请详细信息:   CN111646514-A CN10554282 17 Jun 2020
  • 优先权号:   CN10554282

▎ 摘  要

NOVELTY - Preparation of sandwich structure porous carbon/graphene/porous carbon composite carbon nanosheet comprises mixing graphene oxide, resorcinol, and formaldehyde for 140-160 minutes; adding oxalic acid and reacting for 200-260 minutes; and separating solid-liquid system, drying solid, and carbonizing for 2-3 hours at 700-850 degrees C. USE - The method is used for preparation of sandwich structure porous carbon/graphene/porous carbon composite carbon nanosheet for preparing manganese(II) oxide-reduced graphene oxide-manganese(II) oxide composite nanosheet material (claimed). ADVANTAGE - The composite carbon nanosheet can be used as cathode material for zinc ion batteries. The method is simple and has low cost. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of manganese(II) oxide-reduced graphene oxide-manganese(II) oxide composite nanosheet material comprising mixing porous carbon/graphene/porous carbon composite carbon nanosheet and potassium permanganate in water and reacting for 12-72 hours.