Metal-organic frameworks-derived oxalate ligand modified NiCo hydroxides for enhanced electrochemical glycerol oxidation reaction

Zou, Yizhong; Zhang, W.; Xu, Hanwen; Yang, Jingguo; Liu, Jiangyong; Gu, Zhi‐Guo; Yan, Xiaodong

doi:10.1016/j.jcis.2023.07.010

Journal of Colloid and Interface Science

2023

DOI: 10.1016/j.jcis.2023.07.010

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Metal-organic frameworks-derived oxalate ligand modified NiCo hydroxides for enhanced electrochemical glycerol oxidation reaction

Yizhong Zou

W. Zhang

Hanwen Xu

et al.

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Cited by 5 publications

References 51 publications

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Accessible Ni‐Fe‐Oxalate Framework for Electrochemical Urea Oxidation with Radically Enhanced Kinetics

Kim,

Han

et al. 2024

Adv Funct Materials

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Urea oxidation reaction (UOR) has been utilized to substitute the oxygen evolution reaction (OER), to escalate the energy conversion efficiency in electrochemical hydrogen generation processes with denitrification of widespread urea in wastewater. This study reports breakthroughs in Ni‐based UOR electrocatalysts, particularly with NiFe oxalate (O‐NFF), derived from Ni3Fe alloy foam with prismatic nanostructures and elevated surface area. The O‐NFF achieves cutting‐edge performances, representing 500 mA cm−2 of current density at 1.47 V RHE and exceptionally low Tafel slope of 12.1 mV dec−1 (in 1 m KOH with 0.33 m urea). X‐ray photoelectron/absorption spectroscopy (XPS/XAS) coupled with density functional theory calculations unveil that oxalate ligands induce charge deficient Ni center, promoting stable urea‐O adsorption. Furthermore, Fe dopants enhance oxalate‐O charge density and H‐bond strength, facilitating C‐N cleavage for N2 and NO2− formation. The extraordinary UOR kinetics by the tandem effects of oxalate and Fe prevent Ni over‐oxidation, corroborated by operando XAS, minimizing OER interference. It agrees with an adaptive reconstruction to Fe‐doped β‐NiOOH on top surface in extended urea electrolysis with marginal loss in UOR kinetics. This findings shed light to bimetal‐organic‐framework as (pre)catalysts to improve industrial electrolytic H2 production.

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Accessible Ni‐Fe‐Oxalate Framework for Electrochemical Urea Oxidation with Radically Enhanced Kinetics

Kim,

Han

et al. 2024

Adv Funct Materials

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Metal Organic Frameworks Derived Catalysts for the Upgrading of Platform Chemicals

Zhao,

Du,

Hou

2023

ChemCatChem

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Biomass plays a significant role in replacing fossil resources, and catalytic transformation of platform chemicals to high‐value chemicals is an effective approach to maximize the utilization of biomass. Among of which, efficient and durable catalysts are the heart for upgrading of these platform chemicals, and metal–organic frameworks (MOFs)‐derived catalysts have attracted much attentions due to their suitable and versatile physicochemical properties. In this work, we present a short review on the applications of MOFs‐derived catalysts in upgrading of platform chemicals. The design and synthetic strategies of MOFs‐derived catalysts were summarized in detail, and their application in the catalytic upgrading of glycerol, ethanol, furanic compounds, levulinic acid and vanillin were addressed. The final section outlines the potential industrial applications of MOFs‐derived catalysts for upgrading platform chemicals.

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Preparation of hollow nanorod CoxCu2−xSe/CF electrode assembled from nanoparticles and its urea-assisted hydrogen production performance

Du,

Feng,

Jiang

et al. 2024

Journal of Alloys and Compounds

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Metal-organic frameworks-derived oxalate ligand modified NiCo hydroxides for enhanced electrochemical glycerol oxidation reaction

Cited by 5 publications

References 51 publications

Accessible Ni‐Fe‐Oxalate Framework for Electrochemical Urea Oxidation with Radically Enhanced Kinetics

Accessible Ni‐Fe‐Oxalate Framework for Electrochemical Urea Oxidation with Radically Enhanced Kinetics

Metal Organic Frameworks Derived Catalysts for the Upgrading of Platform Chemicals

Preparation of hollow nanorod CoxCu2−xSe/CF electrode assembled from nanoparticles and its urea-assisted hydrogen production performance

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