Rotating Disk Electrode – Online Electrochemical Mass Spectrometry for Oxygen Reduction Reaction on Pt Electrode Surfaces

2018 ◽  
Vol 86 (13) ◽  
pp. 447-452
Author(s):  
Hiroto Tsurumaki ◽  
Tomohiro Mochizuki ◽  
Hiroki Tei ◽  
Naoto Todoroki ◽  
Toshimasa Wadayama
Keyword(s):  
Mass Spectrometry ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Rotating Disk ◽  
Reduction Reaction ◽  
Rotating Disk Electrode ◽  
Disk Electrode ◽  
Pt Electrode ◽  
Electrode Surfaces

Kinetic Study of Oxygen Reduction Reaction on Palladium Nanoparticles Supported in Thermally Treated Carbon

2011 ◽  
Vol 14 (2) ◽  
pp. 69-73 ◽  
Author(s):  
R. Gonzalez Huerta ◽  
P. Gonzalez Puente ◽  
O. Solorza Feria
Keyword(s):  
Oxygen Reduction Reaction ◽  
Kinetic Study ◽  
Oxygen Reduction ◽  
Palladium Nanoparticles ◽  
Rotating Disk ◽  
Reduction Reaction ◽  
Rotating Disk Electrode ◽  
Disk Electrode ◽  
Treated Carbon ◽  
Thermally Treated

The kinetic study of oxygen reduction reaction (ORR) using palladium nanoparticles supported in thermally-treated Vulcan® carbon as an electrocatalyst was developed in a 0.5 M H2SO4 solution. The Vulcan® carbon was thermally treated at 400oC and 600°C. The Pd supported in thermally treated carbon (Pd/TTC) was synthesized by PdCl2 reduction with NaBH4 in water at 60°C. The thermally treated carbon (TTC) was evaluated by Raman spectroscopy, whereas the morphology of Pd/TTC was characterized by Scanning Electron Microscopy (SEM). The electrochemical activity was studied by rotating disk electrode (RDE) and rotating ring-disk electrode (RRDE) techniques. The RDE result showed a high activity of the Pd/TTC towards the ORR, this reaction proceeds preferentially via a 4e- pathway. On the other hand, the hydrogen peroxide productions were 4.6% and 6.6% for Pd/(TTC at 400°C) and 600°C, respectively.

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