Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Performance of the Electrode for All-vanadium Redox Flow Battery

바나듐 레독스 흐름 전지용 전극의 성능 평가

  • IN, DAE-MIN (Department Green Energy Engineering, Grad. School, Hoseo University) ;
  • SONG, YOUNG-JOON (Department Green Energy Engineering, Grad. School, Hoseo University) ;
  • LEE, DAE-YEOP (Department Green Energy Engineering, Grad. School, Hoseo University) ;
  • RYU, CHEOL-HWI (Department Green Energy Engineering, Grad. School, Hoseo University) ;
  • HWANG, GAB-JIN (Department Green Energy Engineering, Grad. School, Hoseo University)
  • 인대민 (호서대학교 일반대학원 그린에너지공학과) ;
  • 송영준 (호서대학교 일반대학원 그린에너지공학과) ;
  • 이대엽 (호서대학교 일반대학원 그린에너지공학과) ;
  • 유철휘 (호서대학교 일반대학원 그린에너지공학과) ;
  • 황갑진 (호서대학교 일반대학원 그린에너지공학과)
  • Received : 2017.03.30
  • Accepted : 2017.04.30
  • Published : 2017.04.30
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Abstract

The three electrodes (carbon felt) were tested in all-vanadium redox flow battery (VRFB) to confirm the its usefulness. The electrode property was measured by the CV (cyclic voltammetry) method. The current ratio of maximum peak(IPA/IPC) in GF040BH5 and GF051BH3 had almost the same value compared to that in XF30A. The performances of VRFB using the each electrode were measured during 5 cycles of charge-discharge at the current density of $60mA/cm^2$. An average energy efficiency of the VRFB was 77.8%, 77.3%, and 79.2% for XF30A, GF040BH5 and GF051BH3, respectively. It was confirmed from the data that GF040BH5 and GF051BH3 is well suited for use in a VRFB as a electrode, like XF30A.

Keywords

References

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