Synthesis of 3D heterostructure Co-doped Fe2P electrocatalyst for overall seawater electrolysis

Wang, Shaohua; Yang, Ping; Sun, Xiangfei; Xing, Honglong; Hu, Jun; Chen, Ping; Cui, Zhitao; Zhu, Wenkun; Ma, Zuju

doi:10.1016/j.apcatb.2021.120386

Cited by 156 publications

(91 citation statements)

References 56 publications

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“…However, due to the higher redox potential of Cl À /Cl 2 (Cl À /ClO À in alkaline solution), CER is less thermodynamically favorable than OER. Specifically, the potential seawater electrolyzers, 33,[53][54][55][56][57][58][59][60][61][62] Fe 0.01 -Ni&Ni 0.2 Mo 0.8 N8Fe 0.01 &Mo-NiO delivers a record-high current density of 688 mA cm À2 at the voltage of 1.7 V. Compared to our previous study of a two-electrode electrolyzer using NiMoN as the cathode and NiFeN/NiMoN as the anode, the current density of Fe 0.01 -Ni&Ni 0.2 Mo 0.8 N8Fe 0.01 &Mo-NiO at 1.7 V is about 2.2 times as large. 33 These results reveal the excellent seawater electrolysis performance of Fe 0.01 -Ni&Ni 0.2 Mo 0.8 N8Fe 0.01 &Mo-NiO and again underscore the importance of utilizing electrochemical reconstruction for the design of highly active bifunctional catalysts.…”

Section: Papermentioning

confidence: 99%

Boosting efficient alkaline fresh water and seawater electrolysis via electrochemical reconstruction

Ning

Zhang

et al. 2022

Energy Environ. Sci.

135

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Section: Papermentioning

confidence: 99%

Boosting efficient alkaline fresh water and seawater electrolysis via electrochemical reconstruction

Ning

Zhang

et al. 2022

Energy Environ. Sci.

135

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“…Heteroatom doping directly and continuously fine‐tunes electronic structure and HER activity of the catalyst without changing the chemical composition. [ 183 , 184 , 185 , 186 , 187 , 188 , 189 , 190 , 191 , 192 , 193 , 194 , 195 ] Therefore, heteroatom doping is an effective strategy widely used to optimize HER activity. Transition metal doping (Fe, [ 196 ] Co, [ 197 , 198 ] Ni, [ 199 ] Zn, [ 200 ] and Mo [ 201 ] ) modifies the local electronic environment and can also optimize the interatomic distances and coordination numbers of active sites.…”

Section: Strategies To Improve Her Electrocatalystsmentioning

confidence: 99%

Rational Design of Better Hydrogen Evolution Electrocatalysts for Water Splitting: A Review

et al. 2022

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The excessive dependence on fossil fuels contributes to the majority of CO2 emissions, influencing on the climate change. One promising alternative to fossil fuels is green hydrogen, which can be produced through water electrolysis from renewable electricity. However, the variety and complexity of hydrogen evolution electrocatalysts currently studied increases the difficulty in the integration of catalytic theory, catalyst design and preparation, and characterization methods. Herein, this review first highlights design principles for hydrogen evolution reaction (HER) electrocatalysts, presenting the thermodynamics, kinetics, and related electronic and structural descriptors for HER. Second, the reasonable design, preparation, mechanistic understanding, and performance enhancement of electrocatalysts are deeply discussed based on intrinsic and extrinsic effects. Third, recent advancements in the electrocatalytic water splitting technology are further discussed briefly. Finally, the challenges and perspectives of the development of highly efficient hydrogen evolution electrocatalysts for water splitting are proposed.

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“…X‐rays analysis revealed that the Co surface oxidizes to a higher valance state during water oxidation, but Fe preserves its charge due to covalent interaction with P. The M─P bond creates oxide/hydroxide active layers on the Co–Fe surface and optimizes the Fe active sites for OER intermediates. [ 46 ] In multimetal catalysts, the stoichiometry of each metal has a remarkable influence on the electronic structure of hybrid material. Ni sites are considered more selective for OER in Ni–Co bimetallic catalyst because its 3 d band has a higher superposition with p ‐orbital.…”

Section: Rational Design Of Anode Materials For Seawater Oxidationmentioning

confidence: 99%

Strategies of Anode Design for Seawater Electrolysis: Recent Development and Future Perspective

Haq

Haik

2022

Small Science

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Compared with freshwater splitting, seawater electrolysis has more spaces to be explored, which is primarily attributed to the additional critical catalytic challenges of the competition between anodic oxygen evolution reaction (OER) and chlorine chemistry, deep corrosion, and site blocking due to the presence of chloride ions and insoluble particulate in seawater. However, if direct seawater electrolysis can be realized, it would revolutionize the energy and environmental sectors. In this review, the current effective strategies are summarized, including electronic modulation, oxygen vacancies creation, amorphous and porous structure design, corrosion-resistant passive layer decoration, and creating strong catalyst-support interactions. The review also provides insights for seawater electrolysis on rational design of the OER catalyst with high selectivity, activity, corrosion resistance, chemical, and mechanical durability. Beyond the progress made to date, a perspective in the fabrication of high-performance anodes for direct seawater electrolysis is also proposed. Collectively, this review will shed light on the rational design of a viable anode for massive and sustainable hydrogen fuel production from immense seawater.

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Synthesis of 3D heterostructure Co-doped Fe2P electrocatalyst for overall seawater electrolysis

Cited by 156 publications

References 56 publications

Boosting efficient alkaline fresh water and seawater electrolysis via electrochemical reconstruction

Boosting efficient alkaline fresh water and seawater electrolysis via electrochemical reconstruction

Rational Design of Better Hydrogen Evolution Electrocatalysts for Water Splitting: A Review

Strategies of Anode Design for Seawater Electrolysis: Recent Development and Future Perspective

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