Sulfur poisoning of emergent and current electrocatalysts: vulnerability of MoS2, and direct correlation to Pt hydrogen evolution reaction kinetics

Nanoscale ◽  
2015 ◽  
Vol 7 (19) ◽  
pp. 8879-8883 ◽  
Author(s):  
Shu Min Tan ◽  
Zdeněk Sofer ◽  
Martin Pumera
Keyword(s):  
Reaction Kinetics ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Sulfur Poisoning ◽  
Before And After

The impacts of sulfur poisoning on both MoS2 and Pt were examined through comparisons between their HER electrocatalytic activities before and after poisoning. In particular, the poisoning of Pt was directly correlated to its HER performance.

Tungsten-doped Ni–Co phosphides with multiple catalytic sites as efficient electrocatalysts for overall water splitting

2019 ◽  
Vol 7 (28) ◽  
pp. 16859-16866 ◽  
Author(s):  
Shan-Shan Lu ◽  
Li-Ming Zhang ◽  
Yi-Wen Dong ◽  
Jia-Qi Zhang ◽  
Xin-Tong Yan ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Hydrogen Evolution Reaction ◽  
Alkaline Media ◽  
Water Dissociation ◽  
Overall Water Splitting ◽  
Catalytic Sites ◽  
Additional Water ◽  
Dissociation Step

The design of electrocatalysts including precious and nonprecious metals for the hydrogen evolution reaction (HER) in alkaline media remains challenging due to the sluggish reaction kinetics caused by the additional water dissociation step.

scholarly journals Modeling Hydrogen Evolution Reaction Kinetics through Explicit Water–Metal Interfaces

2020 ◽  
Vol 124 (51) ◽  
pp. 28083-28092
Author(s):  
Michael T. Tang ◽  
Xinyan Liu ◽  
Yongfei Ji ◽  
Jens K. Norskov ◽  
Karen Chan
Keyword(s):  
Reaction Kinetics ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Water Metal ◽  
Metal Interfaces ◽  
Explicit Water
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