한국입자에어로졸학회지 (Particle and aerosol research)

  • 제13권1호
  • /
  • Pages.33-40
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  • 2017
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  • 1738-8716(pISSN)
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  • 2287-8130(eISSN)
한국입자에어로졸학회 (Korean Association for Particle and Aerosol Research)
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DOI QR Code

에어로졸 분무열분해법을 이용한 코발트페라이트-그래핀 복합체 분말 제조 및 슈퍼커패시터 응용

Preparation of CoFe2O4-Graphene Composites using Aerosol Spray Pyrolysis for Supercapacitors Application

  • 이총민 (한국지질자원연구원 자원활용연구센터) ;
  • 장한권 (한국지질자원연구원 자원활용연구센터) ;
  • 장희동 (한국지질자원연구원 자원활용연구센터)
  • Lee, Chongmin (Resources Utilization Research Center, Korea Institute of Geoscience and Mineral Resources) ;
  • Chang, Hankwon (Resources Utilization Research Center, Korea Institute of Geoscience and Mineral Resources) ;
  • Jang, Hee Dong (Resources Utilization Research Center, Korea Institute of Geoscience and Mineral Resources)
  • 투고 : 2017.03.10
  • 심사 : 2017.03.22
  • 발행 : 2017.03.31
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초록

Cobalt-iron oxides have emerged as alternative electrode materials for supercapacitors because they have advantages of low cost, natural abundance, and environmental friendliness. Graphene loaded with cobalt ferrite ($CoFe_2O_4$) nanoparticles can exhibit enhanced specific capacitance. In this study, we present three-dimensional (3D) crumpled graphene (CGR) decorated with $CoFe_2O_4$ nanoparticles. The $CoFe_2O_4$-graphene composites were synthesized from a colloidal mixture of GO, iron (III) chloride hexahydrate ($FeCl_3{\cdot}6H_2O$) and cobalt chloride hexahydrate ($CoCl_2{\cdot}6H_2O$) respectively, via one step aerosol spray pyrolysis. Size of $CoFe_2O_4$ nanoparticles was ranged from 5 nm to 10 nm when loaded onto 500 nm CGR. The electrochemical performance of the $CoFe_2O_4$-graphene composites was examined. The $CoFe_2O_4$-graphene composite electrode showed the specific capacitance of $253F\;g^{-1}$.

키워드

참고문헌

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피인용 문헌

  1. 에어로졸 공정을 이용한 오산화바나듐(V2O5)-그래핀 복합체 제조 및 슈퍼커패시터 응용 vol.16, pp.4, 2017, https://doi.org/10.11629/jpaar.2020.16.4.095