Phosphorus-triggered synergy of phase transformation and chalcogenide vacancy migration in cobalt sulfide for an efficient oxygen evolution reaction

Nanoscale ◽  
2020 ◽  
Vol 12 (5) ◽  
pp. 3129-3134 ◽  
Author(s):  
Suli Liu ◽  
Chenjing Che ◽  
Haiyan Jing ◽  
Jun Zhao ◽  
Xueqin Mu ◽  
...  

Featuring surface reorganization and phase transformation simultaneously on cobalt chalcogenide, Co0.37S0.38P0.02 exhibits excellent OER and HER activity and stability. Furthermore, it shows high performance towards overall water splitting.

Nanoscale ◽  
2019 ◽  
Vol 11 (42) ◽  
pp. 20228-20237 ◽  
Author(s):  
Xiaopei Xu ◽  
Haoxiang Xu ◽  
Daojian Cheng

MoS2 edges exhibit good hydrogen evolution reaction (HER) activity but poor oxygen evolution reaction (OER) activity.


Nanoscale ◽  
2020 ◽  
Author(s):  
Ning Xie ◽  
Dong-Dong Ma ◽  
Xintao Wu ◽  
Qi-Long Zhu

Constructing high-performance and cost-effective electrocatalysts for water oxidation, particularly for overall water splitting is extremely needed, whereas still challenging. Herein, based on an economical and facile one-step surface sulfurization strategy,...


RSC Advances ◽  
2017 ◽  
Vol 7 (73) ◽  
pp. 46286-46296 ◽  
Author(s):  
Nan Zhang ◽  
Junyu Lei ◽  
Jianpeng Xie ◽  
Haiyan Huang ◽  
Ying Yu

A novel 3D hierarchical bifunctional catalytic electrode, MoS2/Ni3S2 nanorod arrays well-aligned on NF exhibited excellent electrocatalytic efficiency for hydrogen evolution reaction, oxygen evolution reaction and overall water splitting.


2022 ◽  
Author(s):  
Fei Yu ◽  
Tingting Huo ◽  
Quanhua Deng ◽  
Guoan Wang ◽  
Yuguo Xia ◽  
...  

Expediting the oxygen evolution reaction (OER) is the key to achieving efficient photocatalytic overall water splitting. Herein, single-atom Co−OH modified polymeric carbon nitride (Co-PCN) was synthesized with single-atom loading increased...


2016 ◽  
Vol 4 (15) ◽  
pp. 5639-5646 ◽  
Author(s):  
Xiaoguang Wang ◽  
Wei Li ◽  
Dehua Xiong ◽  
Lifeng Liu

Self-supported porous Ni–P foam is fabricated by a convenient one-step method, and exhibits excellent electrocatalytic performance towards oxygen evolution reaction. An alkaline electrolyzer constructed using two self-supported porous Ni–P foams shows superior energy efficiency of 90.2% at 10 mA cm−2, and can sustain 1000 h under operation conditions without obvious degradation.


Nanoscale ◽  
2016 ◽  
Vol 8 (3) ◽  
pp. 1390-1400 ◽  
Author(s):  
Jie Yin ◽  
Panpan Zhou ◽  
Li An ◽  
Liang Huang ◽  
Changwei Shao ◽  
...  

We employed an efficient route for the synthesis of self-supported nanoporous NiCo2O4nanowires with cobalt–nickel layered oxide nanosheets (CFP/NiCo2O4/Co0.57Ni0.43LMOs) which can be used as bifunctional catalysts in both oxygen evolution reaction (OER) and hydrogen evolution reaction (HER).


2018 ◽  
Vol 5 (10) ◽  
pp. 2425-2431 ◽  
Author(s):  
Zhaoqing Ding ◽  
Zhenghua Tang ◽  
Ligui Li ◽  
Kai Wang ◽  
Wen Wu ◽  
...  

Designing a highly active, robust and cost-effective electrocatalyst with multiple functionalities toward overall water splitting and rechargeable Zn–air battery applications is crucial and urgent for the development of sustainable energy sources.


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