Density functional studies of zirconia with different crystal phases for oxygen reduction reaction

RSC Advances ◽  
2015 ◽  
Vol 5 (103) ◽  
pp. 85122-85127 ◽  
Author(s):  
Guangjin Wang ◽  
Fei Huang ◽  
Xiaobo Chen ◽  
Sheng Wen ◽  
Chunli Gong ◽  
...  

To understand the origin of its catalytic activity, the oxygen reduction reaction (ORR) on zirconia with different phases is investigated by the first principles method.

2016 ◽  
Vol 6 (16) ◽  
pp. 6389-6395 ◽  
Author(s):  
Pallavi Bothra ◽  
Mohnish Pandey ◽  
Swapan K. Pati

In the present work, we have investigated the electrocatalytic activity of the oxygen reduction reaction (ORR), O2 + 4H+ + 4e− → 2H2O, for (Pt)n clusters (n = 1, 2, 3, 5, 7, 10 and 12) adsorbed on semiconducting (2H) and metallic (1T) MoS2 monolayers using first principles density functional theory.


2012 ◽  
Vol 1384 ◽  
Author(s):  
Zhiyao Duan ◽  
Aditi Datta ◽  
Guofeng Wang

ABSTRACTWe have performed first-principles density functional theory calculations to investigate how subsurface 3d transition metals M (M = Ni, Co, Fe, Ti, or V) affect the energetics and mechanisms of oxygen reduction reaction (ORR) on the outermost Pt mono-surface layer of Pt/M (111) surfaces. We found that the alteration of the ORR mechanism pathway can explain the activity enhancement for ORR on the Pt/M (111) surfaces.


2016 ◽  
Vol 6 (18) ◽  
pp. 6901-6909 ◽  
Author(s):  
Luca Sementa ◽  
Oliviero Andreussi ◽  
William A. Goddard III ◽  
Alessandro Fortunelli

Mechanism of OHads/Pt38 diffusion via transient hydronium species in first-principles molecular dynamics simulations.


2015 ◽  
Vol 3 (37) ◽  
pp. 18970-18982 ◽  
Author(s):  
F. G. Sen ◽  
A. Kinaci ◽  
B. Narayanan ◽  
S. K. Gray ◽  
M. J. Davis ◽  
...  

DFT-based variable-charge force field (MS-Q) developed to accurately predicted bulk and nanoscale properties of IrO2. Catalytic properties pertaining to oxygen reduction reaction found to depend on the coordination and charge transfer at the IrO2 nanocluster surface.


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