Prussian blue analog-derived 2D ultrathin CoFe2O4 nanosheets as high-activity electrocatalysts for the oxygen evolution reaction in alkaline and neutral media

2019 ◽  
Vol 7 (13) ◽  
pp. 7328-7332 ◽  
Author(s):  
Hengyi Fang ◽  
Taizhong Huang ◽  
Dong Liang ◽  
Ming Qiu ◽  
Yue Sun ◽  
...  

Oxygen vacancies on CoFe2O4 NSs and lattice oxygens that participate in the reaction deliver a high current density and low overpotential for the OER.

Author(s):  
Taekyung Kim ◽  
Byeongyoon Kim ◽  
Taehyun Kwon ◽  
Ho Young Kim ◽  
Jin Young Kim ◽  
...  

The proton exchange membrane water electrolyzer (PEMWE), driven by electrocatalysts, is a promising green technology for producing hydrogen. It provides high current density (0.6–2.0 A/cm2 at 1.75–2.20 V/cell) and high...


Author(s):  
Hao Sun ◽  
Xiaomei Xu ◽  
Chaojun Jing ◽  
Wenhui Shang ◽  
Yongchun Wang ◽  
...  

A composite cluster [Co5.7Ni2.3W12O42(OH)4@FGDY] exhibited high performance for the electrochemical oxygen evolution reaction with low potentials at high current density and long stability.


Author(s):  
Xupo Liu ◽  
Xuyun GUO ◽  
Mingxing Gong ◽  
Tonghui Zhao ◽  
Jian Zhang ◽  
...  

Exploring cost-effective electrodes operating at high current density above 400 mA cm-2 is still challenging for the industrial application of water splitting. Herein, the corrosion layers of iron foams are...


2017 ◽  
Vol 5 (16) ◽  
pp. 7291-7294 ◽  
Author(s):  
Xiang Ren ◽  
Ruixiang Ge ◽  
Yong Zhang ◽  
Danni Liu ◽  
Dan Wu ◽  
...  

As a durable catalyst, cobalt–borate nanowire array on Ti mesh exhibits high activity for water oxidation in near-neutral media, thereby achieving a geometrical catalytic current density of 10 mA cm−2 at an overpotential of 420 mV.


2018 ◽  
Vol 54 (39) ◽  
pp. 4987-4990 ◽  
Author(s):  
Jinxiu Zhao ◽  
Xiang Ren ◽  
Qingzhi Han ◽  
Dawei Fan ◽  
Xu Sun ◽  
...  

NiOOH–NiCr2O4/NF shows high activity for the OER in alkaline media, achieving a catalytic current density of 20 mA cm−2 at an overpotential of 271 mV.


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