Ultrathin amorphous cobalt–vanadium hydr(oxy)oxide catalysts for the oxygen evolution reaction

2018 ◽  
Vol 11 (7) ◽  
pp. 1736-1741 ◽  
Author(s):  
Juzhe Liu ◽  
Yongfei Ji ◽  
Jianwei Nai ◽  
Xiaogang Niu ◽  
Yi Luo ◽  
...  

A simple strategy to synthesize ultrathin, amorphous and alloyed structural cobalt–vanadium hydr(oxy)oxide catalysts with enhanced water oxidation catalytic activity.

2017 ◽  
Vol 1 (4) ◽  
pp. 780-788 ◽  
Author(s):  
Suoyuan Lian ◽  
Michelle P. Browne ◽  
Carlota Domínguez ◽  
Serban N. Stamatin ◽  
Hugo Nolan ◽  
...  

Solvothermally synthesised MnCO3 leads to template-free formation of highly porous, defect-rich MnO2 with high activity in water oxidation.


2021 ◽  
Author(s):  
Yuwei Jin ◽  
Wenjing Huo ◽  
Libin Zhang ◽  
Yong Li ◽  
Qianqian Chen ◽  
...  

The tunable oxygen vacancies of LaNiO3 (LNO-Vo) is realized by the theoretical prediction and NaBH4-reduction approach. The LNO2.7 catalyst exhibits superior catalytic activity and long-time stability for water oxidation. A...


2016 ◽  
Vol 52 (21) ◽  
pp. 4068-4071 ◽  
Author(s):  
Alexander Weremfo ◽  
Xunyu Lu ◽  
Paul Carter ◽  
D. Brynn Hibbert ◽  
Chuan Zhao

The use of a central composite design to model the roughness of an electrochemically roughened Pt electrode and the surface with a well-defined nanostructure exhibits greatly improved catalytic activity towards oxygen evolution reaction.


2018 ◽  
Vol 6 (25) ◽  
pp. 12142-12152 ◽  
Author(s):  
Samuel I. Mutinda ◽  
Da Li ◽  
Jacob Kay ◽  
Stephanie L. Brock

Incorporation of small amounts of Rh results in a significant improvement in the electrocatalytic activity of Co2P for water oxidation.


Author(s):  
Shuya Zhao ◽  
Yurui Xue ◽  
Zhongqiang Wang ◽  
Zhiqiang Zheng ◽  
Xiaoyu Luan ◽  
...  

Developing highly active, stable and low-cost electrocatalysts capable of an efficient oxygen evolution reaction (OER) is urgent and challenging.


Nanoscale ◽  
2021 ◽  
Author(s):  
Peng Wang ◽  
Feng Li ◽  
Xuefeng Long ◽  
Tong Wang ◽  
Huan Chai ◽  
...  

Surface modification by loading a water oxidation co-catalyst (WOC) is generally considered to be an efficient means to optimize the sluggish surface oxygen evolution reaction (OER) of hematite photoanode for...


2021 ◽  
Vol 5 (6) ◽  
pp. 1801-1808
Author(s):  
Jie Yu ◽  
Tao Zhang ◽  
Changchang Xing ◽  
Xuejiao Li ◽  
Xinyang Li ◽  
...  

NiS2/Fe-P nanospheres were developed as an efficient oxygen evolution reaction electrocatalyst with a low overpotential (218 mV @ 10 mA cm−2 and 306 mV @ 800 mA cm−2) and Tafel slope (47.5 mV dec−1).


Nanoscale ◽  
2021 ◽  
Author(s):  
Bing Fu ◽  
Zhijiao Wu ◽  
Kai Guo ◽  
Lingyu Piao

Owing to their scientific and technological importance, the development of highly efficient photocatalytic water oxidation systems with rapid photogenerated charge separation and high surface catalytic activity has highly desirable for...


Nanoscale ◽  
2021 ◽  
Author(s):  
Ya-Nan Zhou ◽  
Ruo-Yao Fan ◽  
Yu-Ning Cao ◽  
Hui-Ying Wang ◽  
Bin Dong ◽  
...  

The oriental distribution and strong conjunction of Fe active sites in multiple metals hydroxides are very crucial to modulate the activity and stability for efficient oxygen evolution reaction (OER). Whereas,...


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