Corresponding Author

Quan-Feng DONG(qfdong@xmu.edu.cn);Zhao-Wu TIAN


Graphite plate electrodes were treated with oxygen plasma and doped with oxygen as well as oxygen functional groups. With the treatment, the activities of graphite plate electrodes toward VO2+/VO2+ redox reactions were improved. FT-IR and EDS analysis results indicated that oxygen functional groups were introduced to the surface of graphite plates after oxygen plasma treatment. In this paper, the graphite plate treated for 20 min showed the highest activity. The average charge efficiency reached 91%, suggesting an increase of 19%, compared with that of the untreated graphite plate under a current density of 8 mA·cm-2.

Graphical Abstract


positive electrode of all-vanadium, oxygen plasma, electrochemical activity

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[1] Shao Y, Wang X, Engelhard M, et al. Nitrogen-doped mesoporous carbon for energy storage in vanadium redox flow batteries[J]. Journal of Power Sources, 2010, 195(13): 4375-4379.

[2] Zhu H, Zhang Y, Yue L, et al. Graphite-carbon nanotube composite electrodes for all vanadium redox flow battery[J]. Journal of Power Sources, 2008, 184(2): 637-640.

[3] Wang W H, Wang X D. Investigation of Ir-modified carbon felt as the positive electrode of an all-vanadium redox flow battery[J]. Electrochimica Acta, 2007, 52(24): 6755-6762.

[4] Sun B, Skyllas-Kazacos M. Chemical modification of graphite electrode materials for vanadium redox flow battery application—part II. Acid treatments[J]. Electrochimica Acta, 1992, 37(13): 2459-65.

[5] Sun B, Skyllas-Kazacos M. Modification of graphite electrode materials for vanadium redox flow battery application—I. Thermal treatment[J]. Electrochimica Acta, 1992, 37(7): 1253-1260.

[6] Yue L, Li W, Sun F, et al. Highly hydroxylated carbon fibres as electrode materials of all-vanadium redox flow battery[J]. Carbon, 2010, 48(11): 3079-3090.

[7] Han P, Wang H, Liu Z, et al. Graphene oxide nanoplatelets as excellent electrochemical active materials for VO2+/VO2+ and V2+/V3+ redox couples for a vanadium redox battery[J]. Carbon, 2011, 49(2): 693-700.

[8] Ago H, Kugler T, Cacialli F, et al. Work functions and surface functional groups of multiwall carbon nanotubes[J]. The Journal of Physical Chemistry B, 1999, 103(38): 8116-8121.

[9] Honda K, Rao T N, Tryk D, et al. Electrochemical characterization of the nanoporous honeycomb diamond electrode as an electrical double-layer capacitor[J]. Journal Electrochemical Society, 2000, 147(2): 659-664.

[10] Bismarck A, Kumru M E, Springer J. Influence of oxygen plasma treatment of PAN-based carbon fibers on their electrokinetic and wetting properties[J]. Journal of Colloid and Interface Science, 1999, 210(1): 60-72.

[11] Okajima K, Ohta K, Sudoh M. Capacitance behavior of activated carbon fibers with oxygen-plasma treatment[J]. Electrochimica Acta, 2005, 50(11): 2227-22231.

[12] Park J M, Kim D S, Kim S R. Improvement of interfacial adhesion and nondestructive damage evaluation for plasma-treated PBO and Kevlar fibers/epoxy composites using micromechanical techniques and surface wet ability[J]. Journal of Colloid and Interface Science, 2003, 264(2): 431-445.

[13] Wu G. Oxygen plasma treatment of high performance fibers for composites[J]. Materials Chemistry and Physics, 2004, 85(1): 81-87.



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