Regulated iron corrosion towards fabricating large-area self-supporting electrodes for efficient oxygen evolution reaction

2021 ◽  
Author(s):  
Xupo Liu ◽  
Xuyun GUO ◽  
Mingxing Gong ◽  
Tonghui Zhao ◽  
Jian Zhang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Oxygen Evolution ◽  
Current Density ◽  
Industrial Application ◽  
Oxygen Evolution Reaction ◽  
High Current Density ◽  
Cost Effective ◽  
High Current ◽  
Large Area ◽  
Iron Corrosion

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...

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 ◽  
...  
Keyword(s):  
Prussian Blue ◽  
High Activity ◽  
Oxygen Evolution ◽  
Current Density ◽  
Oxygen Evolution Reaction ◽  
Oxygen Vacancies ◽  
High Current Density ◽  
High Current ◽  
Prussian Blue Analog ◽  
Neutral Media

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

Multimetallic nanostructures for electrocatalytic oxygen evolution reaction in acidic media

2021 ◽  
Author(s):  
Taekyung Kim ◽  
Byeongyoon Kim ◽  
Taehyun Kwon ◽  
Ho Young Kim ◽  
Jin Young Kim ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Current Density ◽  
Oxygen Evolution Reaction ◽  
Proton Exchange Membrane ◽  
High Current Density ◽  
Green Technology ◽  
Proton Exchange ◽  
High Current ◽  
Acidic Media ◽  
Exchange Membrane

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...

Composite clusters: Co5.7Ni2.3W12O42(OH)4@fluoro-graphdiyne as a stable electrode for sustained electrochemical oxygen evolution under high current conditions

2021 ◽  
Author(s):  
Hao Sun ◽  
Xiaomei Xu ◽  
Chaojun Jing ◽  
Wenhui Shang ◽  
Yongchun Wang ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Current Density ◽  
Oxygen Evolution Reaction ◽  
High Performance ◽  
High Current Density ◽  
High Current ◽  
Electrochemical Oxygen

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.

Uncovering the role of Ag in layer-alternating Ni3S2/Ag/Ni3S2 as an electrocatalyst with enhanced OER performance

2020 ◽  
Vol 7 (19) ◽  
pp. 3627-3635 ◽  
Author(s):  
Rui Guo ◽  
Yan He ◽  
Renchao Wang ◽  
Junhua You ◽  
Hongji Lin ◽  
...  
Keyword(s):  
Water Splitting ◽  
Current Density ◽  
High Current Density ◽  
High Current

It is increasingly important to develop an efficient OER catalyst that can provide high current density at low overpotentials to improve water splitting efficiency.

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