Research progress of Co-based spinel oxide materials for direct methanol fuel cells

Zhong, Zhiyang; Zhang, Qinghui; Zhu, Yingying; Chen, Bingyu; Xu, Siyan; Shen, Tianyu; Xie, Aijuan; Luo, Shiping

doi:10.1039/d3nj05431d

New J. Chem.

2024

DOI: 10.1039/d3nj05431d

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Research progress of Co-based spinel oxide materials for direct methanol fuel cells

Zhiyang Zhong,

Qinghui Zhang,

Yingying Zhu

et al.

Abstract: With the increasing consumption of fossil fuels, there is an urgent need to develop new green and clean energy. Fuel cells have been extensively studied as a clean alternative to...

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Cited by 3 publications

References 124 publications

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Metal Organic Frameworks‐Derived NiO/NiCo₂O₄ Heterostructures for Effective Methanol Oxidation Reaction

Xin,

Ma,

Zhang

et al. 2024

ChemCatChem

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The electrochemical process of methanol oxidation reaction (MOR), which is closely associated with electrochemical production of formate and hydrogen, is considered a highly viable avenue for advancing renewable energy technologies. Nevertheless, the development and creation of affordable, effective, and durable electrocatalysts for MOR continue to present significant obstacles. In this study, a hierarchical porous NiO/NiCo2O4/NF electrode is fabricated through the integration of solvothermal and thermal oxidation treatments of Ni‐MOF‐74 and NiCo‐Asp. After thoroughly assessing the electrochemical performance for MOR, NiO/NiCo2O4/NF demonstrates a significant current density of 140 mA·cm‐2 at 1.6 V (vs. RHE) and a Tafel slop of 45.0 mV·dec‐1 in 1 M KOH and 0.5 M methanol. The excellent performance of MOR can be ascribed to the hierarchical porous nature that enhances mass and electron transport while offering numerous active sites for electrocatalytic reactions. Additionally, the heterointerface between NiO and NiCo2O4 could further enhance electron transfer rate and reaction kinetics for the MOR. The developed NiO/NiCo2O4/NF electrode shows potential as a viable and economical alternative to Pt‐based electrocatalysts for MOR‐based applications.

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Metal Organic Frameworks‐Derived NiO/NiCo₂O₄ Heterostructures for Effective Methanol Oxidation Reaction

Xin,

Ma,

Zhang

et al. 2024

ChemCatChem

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Organic fuels oxidation: A common misunderstanding related to non-noble fuel cell catalysts

Tsirlina

2024

Current Opinion in Electrochemistry

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Fabrication and Characterization of Photocatalyst Pb3CdO7 for Degradation of Azure-A

Dushyant Kumar Prajapati,

Jeevan Kunwar Chouhan,

Jinesh Menaria

et al. 2024

J. Environ. Sci. Pollut. Res.

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Present work comprises of fabrication of the novel Pb3CdO7 ternary oxide composite from the corresponding precursors using a co-precipitation approach and calcined. The as-prepared material is then characterized by FTIR, FE-SEM, XPS, EDX, XRD, HR-TEM etc. analytical methods. Based on UV-Vis-NIR spectroscopy, the composite's direct energy band gap is determined to be 5.23 eV, which makes it an effective photocatalyst. The prepared photocatalyst is found to degrade Azure-A dye with an efficiency of up to 94.87%. Scavenger study suggests the participation of active free radicals O2•- (superoxide anion radical) as the responsible species in breakdown of the dye molecules. The operating parameters are controlled to maximize the photodegradation and a kinetic study is carried out. Used photocatalyst is recycled and is found to work at the same pace for up to five cycles.

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Research progress of Co-based spinel oxide materials for direct methanol fuel cells

Abstract: With the increasing consumption of fossil fuels, there is an urgent need to develop new green and clean energy. Fuel cells have been extensively studied as a clean alternative to...

Cited by 3 publications

References 124 publications

Metal Organic Frameworks‐Derived NiO/NiCo₂O₄ Heterostructures for Effective Methanol Oxidation Reaction

Metal Organic Frameworks‐Derived NiO/NiCo₂O₄ Heterostructures for Effective Methanol Oxidation Reaction

Organic fuels oxidation: A common misunderstanding related to non-noble fuel cell catalysts

Fabrication and Characterization of Photocatalyst Pb3CdO7 for Degradation of Azure-A

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Product

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About

Research progress of Co-based spinel oxide materials for direct methanol fuel cells

Abstract: With the increasing consumption of fossil fuels, there is an urgent need to develop new green and clean energy. Fuel cells have been extensively studied as a clean alternative to...

Cited by 3 publications

References 124 publications

Metal Organic Frameworks‐Derived NiO/NiCo2O4 Heterostructures for Effective Methanol Oxidation Reaction

Metal Organic Frameworks‐Derived NiO/NiCo2O4 Heterostructures for Effective Methanol Oxidation Reaction

Organic fuels oxidation: A common misunderstanding related to non-noble fuel cell catalysts

Fabrication and Characterization of Photocatalyst Pb3CdO7 for Degradation of Azure-A

Contact Info

Product

Resources

About

Metal Organic Frameworks‐Derived NiO/NiCo₂O₄ Heterostructures for Effective Methanol Oxidation Reaction

Metal Organic Frameworks‐Derived NiO/NiCo₂O₄ Heterostructures for Effective Methanol Oxidation Reaction