Oxygen Reduction Reaction on sulfur doped graphene by density functional study: Oxygen Reduction Reaction on sulfur doped graphene by density functional study

Author(s):  
J Sun ◽  
X Liang
2018 ◽  
Vol 42 (9) ◽  
pp. 6873-6879 ◽  
Author(s):  
Yuewen Yang ◽  
Kai Li ◽  
Yanan Meng ◽  
Ying Wang ◽  
Zhijian Wu

The rational design of heteroatom doped graphene as a highly active and non-noble oxygen reduction reaction (ORR) electrocatalyst is significant for the commercial applications of fuel cells.


RSC Advances ◽  
2019 ◽  
Vol 9 (11) ◽  
pp. 6035-6041 ◽  
Author(s):  
Shih-Hsuan Tai ◽  
Bor Kae Chang

The oxygen reduction reaction (ORR) reactivity of various nitrogen-doped graphene configurations are probed in detail using density functional theory (DFT) calculations.


Catalysts ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 156
Author(s):  
Chaonan Cui ◽  
Mengnan Sun ◽  
Xinli Zhu ◽  
Jinyu Han ◽  
Hua Wang ◽  
...  

Pt3M (M = 3d transition metals) supported on oxygen-doped graphene as an electrocatalyst for oxygen reduction was investigated using the periodic density functional theory-based computational method. The results show that oxygen prefers to adsorb on supported Pt3M in a bridging di-oxygen configuration. Upon reduction, the O–O bond breaks spontaneously and the oxygen adatom next to the metal–graphene interface is hydrogenated, resulting in co-adsorbed O* and OH* species. Water formation was found to be the potential-limiting step on all catalysts. The activity for the oxygen reduction reaction was evaluated against the difference of the oxygen adsorption energy on the Pt site and the M site of Pt3M and the results indicate that the oxygen adsorption energy difference offers an improved prediction of the oxygen reduction activity on these catalysts. Based on the analysis, Pt3Ni supported on oxygen-doped graphene exhibits an enhanced catalytic performance for oxygen reduction over Pt4.


Sign in / Sign up

Export Citation Format

Share Document