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Pd nanoparticles supported on Mg-Al-CO3 layered double hydroxide as an effective catalyst for methanol electro-oxidation

  • Jia, Zhijun
  • Wang, Yi
  • Qi, Tao
Publication Date
Jan 01, 2015
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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<p> Pd/C and Pd/Mg-Al-CO3 LDH (Pd/LDH) catalysts were prepared and their catalytic performances for methanol electro-oxidation in alkaline solution were investigated in this work. The result of cyclic voltammograms proves that Pd/LDH has a much higher specific activity than Pd/C. CO stripping results indicate that Mg-Al-CO3 LDH could facilitate the oxidative removal of adsorbed CO and improve the CO poison resistance of Pd/LDH catalysts. The chronoamperograms also indicate that Pd/LDH has a better stability. All the results imply that Pd/LDH is very promising for probable application in the DMFC field. Furthermore, the insight for the increase of the specific activity is discussed in this work.</p>

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