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Zhao H.,Key Laboratory of Green Chemical Media and Reaction | Zhao H.,CAS Institute of Process Engineering | Tang Q.,Key Laboratory of Green Chemical Media and Reaction | Wang Y.,CAS Institute of Process Engineering | And 3 more authors.
ECS Solid State Letters | Year: 2014

Pd catalysts supported on carbon black and Ti4O7 were prepared and used as electrocatalysts for formic acid electrooxidation. The structure and morphology were characterized by XRD and TEM. CV results show that Pd/Ti4O7 possesses a higher catalytic activity than Pd/C. XPS analyzes suggest that the higher content of metallic Pd caused by Ti 4O7 contributes to the better catalytic performance. Based on the good electrocatalytic performance of Pd/Ti4O7, Pd catalyst supported on PDDA-functionalized Ti4O7 was prepared and exhibited a better catalytic activity. The improvement results from the further increase of metallic Pd content due to the presence of PDDA. © 2014 The Electrochemical Society.

Xu P.,Henan Normal University | Xu P.,Key Laboratory of Green Chemical Media and Reaction | Bai Z.,Henan Normal University | Bai Z.,Key Laboratory of Green Chemical Media and Reaction | And 6 more authors.
Russian Journal of Electrochemistry | Year: 2013

In this paper, a facile and effective method is introduced to prepare palladium electrocatalysts for the oxidation of ethanol in alkaline media. According to the transmission electron microscopy measurement, the as-prepared Pd nanoparticles with the average particle size of 2.5 nm are evenly deposited on the surface of the multi-wall carbon nanotubes by using 1,3- bis(diphenylphosphino) propane as a special additive. Electrochemical measurements demonstrate that the as-prepared catalyst exhibits good electrocatalytic activity and stability for the electrooxidation of ethanol. © 2013 Pleiades Publishing, Ltd.

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