Effects of Microwave Treatment on Carbon Electrode for Vanadium Redox Flow Battery

Yong Il Cho, Se Jun Park, Ho Jung Hwang, Jin Goo Lee, Yu Kwon Jeon, Young Hwan Chu, Yong Gun Shul

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The vanadium redox flow battery (VRB) is an attractive energy storage technology due to its great advantages such as high energy efficiency and long life cycle. A carbon electrode has been commonly used as the electrode material for the VRB system. In this study, the effects of microwave treatment on the carbon electrode for the VRB are investigated under different microwave powers (0, 500, and 650W). The microwave-treated carbon electrode is about twice as large as the pristine carbon electrode in specific surface area, showing about 2.72, 4.46, and 4.63m2g-1 at 0, 500, and 650W, respectively. The oxygen-containing functional groups such as C-O, C=O, and O-C=O, which can promote the redox reactions in the VRB system, are also increased by the microwave treatment. When the microwave-treated carbon electrode is applied as the positive electrode for the VRB system, the coulomb, voltage, and energy efficiencies are enhanced. Thus, the microwave treatment can be a simple and effective method to prepare the carbon electrode for the VRB system. Radiant carbon: Carbon felt surfaces can be functionalized through microwave treatment to enhance the coulomb, voltage, and energy efficiencies. Copyright

Original languageEnglish
Pages (from-to)872-876
Number of pages5
JournalChemElectroChem
Volume2
Issue number6
DOIs
Publication statusPublished - 2015 Oct 6

Fingerprint

Vanadium
Carbon
Microwaves
Electrodes
Energy efficiency
Flow batteries
Redox reactions
Electric potential
Specific surface area
Energy storage
Functional groups
Life cycle
Oxygen

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Electrochemistry

Cite this

Cho, Y. I., Park, S. J., Hwang, H. J., Lee, J. G., Jeon, Y. K., Chu, Y. H., & Shul, Y. G. (2015). Effects of Microwave Treatment on Carbon Electrode for Vanadium Redox Flow Battery. ChemElectroChem, 2(6), 872-876. https://doi.org/10.1002/celc.201402455
Cho, Yong Il ; Park, Se Jun ; Hwang, Ho Jung ; Lee, Jin Goo ; Jeon, Yu Kwon ; Chu, Young Hwan ; Shul, Yong Gun. / Effects of Microwave Treatment on Carbon Electrode for Vanadium Redox Flow Battery. In: ChemElectroChem. 2015 ; Vol. 2, No. 6. pp. 872-876.
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Effects of Microwave Treatment on Carbon Electrode for Vanadium Redox Flow Battery. / Cho, Yong Il; Park, Se Jun; Hwang, Ho Jung; Lee, Jin Goo; Jeon, Yu Kwon; Chu, Young Hwan; Shul, Yong Gun.

In: ChemElectroChem, Vol. 2, No. 6, 06.10.2015, p. 872-876.

Research output: Contribution to journalArticle

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