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Fabrication of continuous mesoporous organic-inorganic nanocomposite films for corrosion protection of stainless steel in PEM fuel cells

  • Tao Wang
  • , Jianping He*
  • , Dun Sun
  • , Jianhua Zhou
  • , Yunxia Guo
  • , Xiaochun Ding
  • , Shichao Wu
  • , Jianqing Zhao
  • , Jing Tang
  • *此作品的通讯作者

科研成果: 期刊稿件文章同行评审

摘要

The organic-inorganic composite film was deposited on the 304 stainless steel as bipolar plate material for proton exchange membrane fuel cells by spin-coating method. As shown by XRD, N2 adsorption-desorption and TEM, the composite films exhibit ordered mesoporous structures. The corrosion tests in 0.5M H2SO4 system displayed that, compared with 304SS, the composite films made corrosion potential shifted to positive direction by 250-1000mV (SCE) and corrosion current decreased by 1-3 orders of magnitude. Wherein, the C-50-60% composite film showed the optimal protective performance, its corresponding potentiostatic polarization process was extremely stable in the simulated fuel cells environment.

源语言英语
页(从-至)1498-1504
页数7
期刊Corrosion Science
53
4
DOI
出版状态已出版 - 2011
已对外发布

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