Enhancement of Methanol Oxidation Performance Over Pd/CeO2 Derived from MOF and Mechanism Investigation via In Situ Studies

Yue, Yihang; Li, Yong; Wang, Tingting; Wang, Shifeng; Han, Lin; Du, Chun

doi:10.1007/s10562-021-03901-4

Cited by 13 publications

(12 citation statements)

References 37 publications

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“…, CO and O 2 ) and facilitate their diffusion to the inner cavities, which are highly stable against agglomeration. 38,43–47 In addition, the abundant active sites of Pd/Ni–N x embedded in MOF/PC allow the activation/dissociation of CO and O 2 along with facilitating the generation of oxygen species ( i.e. , OH) at low overpotentials.…”

Section: Resultsmentioning

confidence: 99%

“…38,43–47 There are a few reports on using MOFs and their derivatives as supports for Pd nanocrystals for thermal CO oxidation. 38,43–48 However, the electrochemical CO oxidation performance of MOF-based catalysts with or without Pd nanocrystals is not yet reported to the best of our knowledge. 38,43–47…”

Section: Introductionmentioning

confidence: 99%

“…38,43–48 However, the electrochemical CO oxidation performance of MOF-based catalysts with or without Pd nanocrystals is not yet reported to the best of our knowledge. 38,43–47…”

Section: Introductionmentioning

confidence: 99%

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Pd/Ni-metal–organic framework-derived porous carbon nanosheets for efficient CO oxidation over a wide pH range

et al. 2022

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Pd/Ni-metal–organic framework-derived porous carbon nanosheets for efficient CO oxidation over a wide pH range

et al. 2022

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“…Moreover, in an alkaline environment, Cu‐based electrocatalysts are less prone to CO adsorption as compared with Pt, such materials can be a good choice for MOR in a fuel cell. Electrochemical behavior of Cu‐Ni‐based electrocatalyst is demonstrated in literature, which concludes that Cu deters the formation of NiOOH and enhances the overpotential of the oxidation process 28,29 …”

Section: Introductionmentioning

confidence: 87%

“…Electrochemical behavior of Cu-Nibased electrocatalyst is demonstrated in literature, which concludes that Cu deters the formation of NiOOH and enhances the overpotential of the oxidation process. 28,29 Furthermore, electrocatalysts are usually supported on carbon-based materials such as carbon black, carbon nitride (C 3 N 4 ), transition metal oxides, graphene oxides, and reduced graphene oxides. Conductive and mesoporous support materials, catalysts and support materials are carefully chosen and combined for the effective anode electrocatalysis, so that they can provide strong catalyst support, handle water well, and they should have corrosion tolerance.…”

Section: Introductionmentioning

confidence: 99%

Electrocatalytic study of cu/NiMOFand itsg‐C₃N₄composites for methanol oxidation reaction

Abbasi

Nооr

Iqbal

et al. 2022

Intl J of Energy Research

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Summary Graphitic carbon nitride is of interest for its intercalation, ion exchange, and redox properties as it exhibits high catalytic activity. Besides, its high nitrogen content and facile synthesis procedure may provide a good balance between activity and durability. We report novel g‐C3N4 based MOF as a novel electrocatalyst for methanol oxidation reaction (MOR). Two methods are involved in the catalytic synthesis, namely the hydrothermal method for the Cu/Ni MOF and its composites synthesis, and g‐C3N4 is obtained by pyrolysis of melamine. To explore the structural and morphological properties, all the catalysts were eventually characterized using XRD, FTIR, SEM, and EDX techniques, whereas cyclic voltammetry (CV) revealed the electrochemical response for the oxidation of methanol in 3 M methanol and 1 M NaOH on modified glassy carbon electrode (GCE). The electrochemical results illustrate that as the amount of g‐C3N4 increases current density for methanol oxidation reaction (MOR). The maximum current density is 103.42 mA/cm2 shown by Cu/Ni MOF@5 wt% g‐C3N4 at 0.9 V while the scan rate is 50 mV/s. Thus, graphitic carbon nitride addition in MOF composites enhanced its durability and high carbon monoxide (CO) tolerance makes active catalysts in alkaline electrolyte.

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Roles of Ce_0.8Zr_0.2O₂ Catalysts in Boosting the Efficient Combustion of Waste Plastics

Yan,

Hou,

Zhou

et al. 2024

ChemistrySelect

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Because of superior oxygen storage and release capability, Ce‐based catalysts were widely used in the oxidation reaction, while seldomly mentioned in waste plastics combustion. Herein, Ce0.8Zr0.2O2 catalysts were prepared by the complexed hydrothermal method (CeZr(C)), oxalic acid gel method (CeZr(O)), and hydrothermal method (CeZr(N)); and then, used in PE (polyethylene) combustion. Compared with PE noncatalytic combustion that exhibited an initial combustion temperature of 269 °C, CeZr(C) slightly reduced the initial combustion temperature to 263 °C, while CeZr(N) and CeZr(O) significantly reduced the initial combustion temperature to 245 and 251 °C, respectively. It was deduced that the activity of CeZr(N) and CeZr(O) in PE catalytic combustion was significantly higher than that of CeZr(C). Based on the systematic characterization, two reaction mechanisms were proposed to explain the excellent performance of CeZr(O) and CeZr(N) in PE combustion: (1) Because of the abundant surface area and O2 adsorption, CeZr(O) enhanced the activation of molecular oxygen and the formation of active oxygen, which was easier to attack C─C/C─H bond and initiate PE combustion than molecular oxygen. (2) Because of the strong acidity, CeZr(N) enhanced the activation of C─C/C─H bond in polymer molecules, which benefited the attack of molecular oxygen, and reduced the reaction temperature.

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Enhancement of Methanol Oxidation Performance Over Pd/CeO2 Derived from MOF and Mechanism Investigation via In Situ Studies

Cited by 13 publications

References 37 publications

Pd/Ni-metal–organic framework-derived porous carbon nanosheets for efficient CO oxidation over a wide pH range

Pd/Ni-metal–organic framework-derived porous carbon nanosheets for efficient CO oxidation over a wide pH range

Electrocatalytic study of cu/NiMOFand itsg‐C₃N₄composites for methanol oxidation reaction

Roles of Ce_0.8Zr_0.2O₂ Catalysts in Boosting the Efficient Combustion of Waste Plastics

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Enhancement of Methanol Oxidation Performance Over Pd/CeO2 Derived from MOF and Mechanism Investigation via In Situ Studies

Cited by 13 publications

References 37 publications

Pd/Ni-metal–organic framework-derived porous carbon nanosheets for efficient CO oxidation over a wide pH range

Pd/Ni-metal–organic framework-derived porous carbon nanosheets for efficient CO oxidation over a wide pH range

Electrocatalytic study of cu/NiMOFand itsg‐C3N4composites for methanol oxidation reaction

Roles of Ce0.8Zr0.2O2 Catalysts in Boosting the Efficient Combustion of Waste Plastics

Contact Info

Product

Resources

About

Electrocatalytic study of cu/NiMOFand itsg‐C₃N₄composites for methanol oxidation reaction

Roles of Ce_0.8Zr_0.2O₂ Catalysts in Boosting the Efficient Combustion of Waste Plastics