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  • 专利标题:   Preparation of iron oxide-graphene composite flexible electrode used as cathode for lithium battery comprises performing magnetic auxiliary supersonic flame spraying of iron oxide-graphene composite powder to surface of copper substrate.
  • 专利号:   CN114242951-A, CN114242951-B
  • 发明人:   WANG H, DENG C, HUANG R, YIN S, MA Y, ZHAO S, XIE Y
  • 专利权人:   GUANGDONG ACAD SCI NEW MATERIALS INST
  • 国际专利分类:   C23C004/02, C23C004/04, C23C004/129, C23C004/14, H01M010/0525, H01M004/139, H01M004/36, H01M004/52, H01M004/62, H01M004/66
  • 专利详细信息:   CN114242951-A 25 Mar 2022 H01M-004/139 202236 Chinese
  • 申请详细信息:   CN114242951-A CN11515698 13 Dec 2021
  • 优先权号:   CN11515698

▎ 摘　　要

NOVELTY - Preparation of iron oxide-graphene composite flexible electrode comprises using magnetic auxiliary supersonic flame spraying technology to spray iron oxide-graphene composite powder to surface of copper substrate to obtain iron oxide-graphene composite coating electrode sheet. USE - The method is for preparing iron oxide-graphene composite flexible electrode used as cathode for lithium battery (claimed). ADVANTAGE - Under the double action of electric field force and magnetic field force, the iron oxide-graphene composite powder is accelerated by Lorentz force which not only improves the bonding property of iron oxide-graphene composite powder and copper substrate, but also improves density of iron oxide-graphene composite flexible electrode. The electrode is not easy to pulverize which shows good electrochemical performance. DESCRIPTION OF DRAWING(S) - The drawing shows a spraying principle diagram of magnetic auxiliary supersonic flame spraying technology. Supersonic speed flame spraying gun (100) Powder feeding system (110) Powder feeding gas (111) Gas system (120) Oxygen system (130) Gas supply system (140) Magnet (150) Substrate (210) Coating (220)