MOF‐Derived Iron‐Cobalt Phosphide Nanoframe as Bifunctional Electrocatalysts for Overall Water Splitting DOI Creative Commons

Yanqi Yuan,

Kun Wang, Boan Zhong

et al.

Energy & environment materials, Journal Year: 2024, Volume and Issue: 7(6)

Published: May 21, 2024

Transition metal phosphides (TMPs) have emerged as an alternative to precious metals efficient and low‐cost catalysts for water electrolysis. Elemental doping morphology control are effective approaches further improve the performance of TMPs. Herein, Fe‐doped CoP nanoframes (Fe‐CoP NFs) with specific open cage configuration were designed synthesized. The unique nano‐framework structured Fe‐CoP material shows overpotentials only 255 122 mV at 10 mA cm −2 oxygen evolution reaction (OER) hydrogen (HER), respectively, overwhelming most transition phosphides. For overall splitting, cell voltage is 1.65 V NFs a current density , much superior what observed classical nanocubic structures. show no activity degradation up 100 h which contrasts sharply rapidly decaying noble catalyst reference. electrocatalytic due abundant accessible active sites, reduced kinetic energy barrier, preferable *O‐containing intermediate adsorption demonstrated through experimental observations theoretical calculations. Our findings could provide potential method preparation multifunctional hollow structures offer more hopeful prospects obtaining earth‐abundant splitting.

Language: Английский

Research Progress of High-Entropy Oxides as Oxygen Evolution Reaction Catalysts DOI
Qi Zhang, Junhua You, Xi Zhang

et al.

Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(8), P. 6659 - 6678

Published: April 2, 2024

Equimolar or nearly molar mixtures of five more metals are used to create high-entropy oxides (HEOs). HEOs also possess the kinetic slow diffusion effect, structural lattice distortion, thermodynamic and cocktail effect. Consequently, a growing number scientists investigating oxides. High active site density, low overpotential, entropic stabilization effects main reasons why now show good electrocatalytic oxygen evolution reaction. However, complexity elemental composition, organization, surface morphology limits use HEOs. The development mechanisms behind OER reviewed in this work, along with description response pathways evaluation standards. performance diverse organizational structures is research because come variety kinds. Additionally, when utilized as carriers, trend examined. Lastly, potential future problems opportunities for HEO electrocatalysts discussed.

Language: Английский

Citations

17

A recent progress and advancement on MoS2-based photocatalysts for efficient solar fuel (hydrogen) generation via photocatalytic water splitting DOI

Ibrahim Alfa,

Hafeez Yusuf Hafeez,

J. Mohammed

et al.

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 71, P. 1006 - 1025

Published: May 24, 2024

Language: Английский

Citations

17

Integrated MXene and metal oxide electrocatalysts for the oxygen evolution reaction: synthesis, mechanisms, and advances DOI Creative Commons
Muhammad Nazim Lakhan, Abdul Hanan, Yuan Wang

et al.

Chemical Science, Journal Year: 2024, Volume and Issue: 15(38), P. 15540 - 15564

Published: Jan. 1, 2024

This review summarizes recent advances in MXene and transition metal oxide (TMO) electrocatalysts for enhancing oxygen evolution reaction (OER), concluding with key findings future research directions further improvements.

Language: Английский

Citations

16

Preparation of Cu(OH)2/Cu2S arrays for enhanced hydrogen evolution reaction DOI Creative Commons
Xiangchao Xu, Fen Qiao, Yanzhen Liu

et al.

Battery energy, Journal Year: 2024, Volume and Issue: 3(3)

Published: Jan. 25, 2024

Abstract Cu(OH) 2 has the advantages of ease structural regulation, good conductivity, and relatively low cost, making it a suitable candidate material for use as an electrocatalyst. However, its catalytic efficiency stability still need to be improved further. Therefore, /Cu S was successfully prepared on copper foam (CF) using in situ growth hydrothermal method. The characterization showed that sulfidation treatment induced transformation /CF from smooth nanorods into coral‐like structure, which exposed more active sites enhanced performance electrocatalytic hydrogen evolution reaction (HER). Compared with , better alkaline HER performance, especially when vulcanization concentration 0.1 M, overpotential 174 mV, kinetics 64 mv dec −1 at current density 10 mA cm −2 . In this work, morphology electronic structure copper‐based metal sulfide electrocatalysts were adjusted by treatment, provided new reference improving performance.

Language: Английский

Citations

14

MOF‐Derived Iron‐Cobalt Phosphide Nanoframe as Bifunctional Electrocatalysts for Overall Water Splitting DOI Creative Commons

Yanqi Yuan,

Kun Wang, Boan Zhong

et al.

Energy & environment materials, Journal Year: 2024, Volume and Issue: 7(6)

Published: May 21, 2024

Transition metal phosphides (TMPs) have emerged as an alternative to precious metals efficient and low‐cost catalysts for water electrolysis. Elemental doping morphology control are effective approaches further improve the performance of TMPs. Herein, Fe‐doped CoP nanoframes (Fe‐CoP NFs) with specific open cage configuration were designed synthesized. The unique nano‐framework structured Fe‐CoP material shows overpotentials only 255 122 mV at 10 mA cm −2 oxygen evolution reaction (OER) hydrogen (HER), respectively, overwhelming most transition phosphides. For overall splitting, cell voltage is 1.65 V NFs a current density , much superior what observed classical nanocubic structures. show no activity degradation up 100 h which contrasts sharply rapidly decaying noble catalyst reference. electrocatalytic due abundant accessible active sites, reduced kinetic energy barrier, preferable *O‐containing intermediate adsorption demonstrated through experimental observations theoretical calculations. Our findings could provide potential method preparation multifunctional hollow structures offer more hopeful prospects obtaining earth‐abundant splitting.

Language: Английский

Citations

11