Replacing oxygen evolution with sodium sulfide electro-oxidation toward energy-efficient electrochemical hydrogen production: Using cobalt phosphide nanoarray as a bifunctional catalyst

2017 ◽  
Vol 42 (42) ◽  
pp. 26289-26295 ◽  
Author(s):  
Shuai Hao ◽  
Libin Yang ◽  
Danni Liu ◽  
Gu Du ◽  
Yingchun Yang ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Oxygen Evolution ◽  
Energy Efficient ◽  
Sodium Sulfide ◽  
Bifunctional Catalyst ◽  
Cobalt Phosphide ◽  
Electro Oxidation

Porous and amorphous cobalt hydroxysulfide core–shell nanoneedles on Ti-mesh as a bifunctional electrocatalyst for energy-efficient hydrogen production via urea electrolysis

2021 ◽  
Author(s):  
Yu Jiang ◽  
Shanshan Gao ◽  
Gongchen Xu ◽  
Xiaoming Song
Keyword(s):  
Hydrogen Production ◽  
High Activity ◽  
Energy Efficient ◽  
Bifunctional Catalyst ◽  
Core Shell ◽  
Bifunctional Electrocatalyst ◽  
Urea Electrolysis ◽  
Ti Mesh

Porous and amorphous CoSx(OH)y core–shell nanoneedles covered by numerous ultra-thin small nanosheets are synthesized successfully on Ti-mesh, and act as a high activity and stability bifunctional catalyst for urea electrolysis.

Hollow cobalt phosphide octahedral pre-catalysts with exceptionally high intrinsic catalytic activity for electro-oxidation of water and methanol

2018 ◽  
Vol 6 (42) ◽  
pp. 20646-20652 ◽  
Author(s):  
Junyuan Xu ◽  
Yuefeng Liu ◽  
Junjie Li ◽  
Isilda Amorim ◽  
Bingsen Zhang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Oxygen Evolution ◽  
Methanol Oxidation ◽  
Intrinsic Activity ◽  
Oxidation Reactions ◽  
Cobalt Phosphide ◽  
Electro Oxidation

Hollow CoP octahedral nanoparticles have been prepared, and they show exceptionally high intrinsic activity for both the oxygen evolution and methanol oxidation reactions.

Electrodeposited Copper–Cobalt–Phosphide: A Stable Bifunctional Catalyst for Both Hydrogen and Oxygen Evolution Reactions

2018 ◽  
Vol 7 (3) ◽  
pp. 3092-3100 ◽  
Author(s):  
Ruwani N. Wasalathanthri ◽  
Samuel Jeffrey ◽  
Rasha A. Awni ◽  
Kai Sun ◽  
Dean M. Giolando
Keyword(s):  
Oxygen Evolution ◽  
Bifunctional Catalyst ◽  
Cobalt Phosphide

MOF-derived M-OOH with rich oxygen defects by in-situ electro-oxidation reconstitution for highly efficient oxygen evolution reaction

2021 ◽  
Author(s):  
Zhikai Shi ◽  
Zebin Yu ◽  
Ronghua Jiang ◽  
Jun Huang ◽  
Yanping Hou ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Energy Production ◽  
Low Cost ◽  
Highly Efficient ◽  
Oxygen Defects ◽  
Electro Oxidation

The oxygen evolution reaction (OER) is an important half-reaction in the field of energy production. However, how effectively, simply, and greenly to prepare low-cost OER electrocatalysts remains a problem. Herein,...

Bifunctional single-atomic Mn sites for energy-efficient hydrogen production

Nanoscale ◽  
2021 ◽  
Author(s):  
Xianyun Peng ◽  
Junrong Hou ◽  
Yuying Mi ◽  
Jiaqiang Sun ◽  
Gaocan Qi ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Energy Saving ◽  
Hydrogen Evolution Reaction ◽  
Energy Efficient ◽  
Low Cost ◽  
Clean Energy ◽  
H2 Production ◽  
Energy Technology ◽  
Highly Active ◽  
Clean Energy Technology

Electrocatalytic hydrogen evolution reaction (HER) for H2 production is essential for future renewable and clean energy technology. Screening energy-saving, low-cost, and highly active catalysts efficiently, however, is still a grand...

Hierarchical Microsphere MOF Arrays with Ultralow Ir Doping for Efficient Hydrogen Evolution Coupled with Hydrazine Oxidation in Seawater

2021 ◽  
Author(s):  
Xuejun Zhai ◽  
Qingping Yu ◽  
Guishan Liu ◽  
Junlu Bi ◽  
Yu Zhang ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Hydrogen Evolution ◽  
Oxygen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Water Electrolysis ◽  
Efficient Catalyst ◽  
Hydrazine Oxidation ◽  
Renewable Hydrogen

Hydrogen evolution reaction (HER) based on water electrolysis is promising for renewable hydrogen production. Limited by sluggish anodic oxygen evolution reaction (OER), rational fabrication of efficient catalyst for HER coupled...

CoMn2O4 embedded in MnOOH nanorods as a bifunctional catalyst for oxygen reduction and oxygen evolution reactions

2018 ◽  
Vol 54 (32) ◽  
pp. 4005-4008 ◽  
Author(s):  
Ying Wang ◽  
Tianjun Hu ◽  
Qing Liu ◽  
Limin Zhang
Keyword(s):  
Oxygen Reduction ◽  
Hydrothermal Method ◽  
Oxygen Evolution ◽  
Bifunctional Catalyst

CoMn2O4 embedded in MnOOH nanorods (CoMn2O4–MnOOH NRs) was prepared using a two-step hydrothermal method involving the oxidation of Mn by Co species in preformed MnOOH NRs, and the as-prepared catalyst exhibits an expectably remarkable performance for the ORR and the OER.

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