Electrospun carbon nanofibers/electrocatalyst hybrids as asymmetric electrodes for vanadium redox flow battery
作者： Guanjie Wei , Xinzhuang Fan , Jianguo Liu , Chuanwei Yan
DOI: 10.1016/J.JPOWSOUR.2015.01.161
关键词:
摘要: Abstract To improve the electrochemical activity of polyacrylonitrile (PAN)-based electrospun carbon nanofibers (ECNFs) toward vanadium redox couples, multi-wall nanotubes (CNTs) and Bi-based compound as electrocatalyst have been embedded in ECNFs to make composite electrode, respectively. The morphology properties pristine ECNFs, CNTs/ECNFs Bi/ECNFs characterized. Among three kinds electrodes, show best VO 2+ / 2 + couple, while present V /V 3+ couple. Furthermore, high overpotential hydrogen evolution on makes side-reaction suppressed. Because large property difference between two are designed act positive negative electrode for flow battery (VRFB), It not only does kinetics reactions at same time, but also reduce them. Due application asymmetric performance cell is improved greatly.
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