Thermal Annealing Effect of Co−N−C/Carbon Nanotube on the Electrochemical Oxygen Reduction Reaction

Zong, Liu; Xue, Jia; Yu, Huaguang; Yu, Xu; Feng, Ligang

doi:10.1002/ente.201800483

Cited by 9 publications

(1 citation statement)

References 43 publications

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“…Additionally, carbon nanomaterials, such as fullerene, carbon nanotubes (CNTs), and graphene have been reported as efficient carbon‐based electroctalysts for ORR . Several examples of metal–nitrogen–carbon layered catalyst over CNTs via thermal treatment have also shown appreciable ORR activity compared with commercial Pt/C . Another distinctive model was described by Zhang et al, where they developed a 3D chalcogenide framework with classic diamond topology, which exhibited excellent ORR activity …”

Section: Introductionmentioning

confidence: 99%

Microporous Solids En Route to Heterogeneous Electrocatalysis: The Oxygen Reduction Reaction

2019

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The recent progress and challenges in developing highly active microporous materials as heterogeneous electrocatalysts for oxygen reduction reaction (ORR) are discussed. Due to the slow kinetics of ORR, the search for novel highly stable catalysts that can outperform Pt‐based ones is a growing demand. Functional microporous materials and exceptional chemical stability are of great interest due to their unique catalytic properties. The crucial rule of porosity and catalyst design strategies are thoroughly discussed with emphasis on the influence of the degree of microporosity on the material's intrinsic catalytic activity and the current best practice for catalyst testing and activity reporting. This Review focuses on microporous materials, which are classified into crystalline as metal–organic frameworks (MOFs), covalent–organic frameworks (COFs), or amorphous porous–organic polymers (POPs) as to their recent utilization in constructing efficient ORR electrocatalysts. The fundamental challenges in obtaining stable catalysts with appreciable kinetics from non‐noble metal ions, and ways to form them utilizing microporous solids as catalyst matrices, are reviewed. The fundamental criteria for future generation ORR catalysts based on microporous solids, including stability in acidic medium, high electrical conductivity, and accessibility of the active sites within the matrix are highlighted for guidance to future works.

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Section: Introductionmentioning

confidence: 99%

Microporous Solids En Route to Heterogeneous Electrocatalysis: The Oxygen Reduction Reaction

2019

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Electrochemical Oxygen Reduction Reaction Performance Boosted by N, P Doped Carbon Layer over Manganese Dioxide Nanorod

Pei

Ding

et al. 2019

ChemCatChem

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Herein, heteroatoms of N and P doped carbon layer over MnO2 nanorods surface was fabricated by an in situ anile polymerization reaction based on aniline and phytic acid (MnO2@PANI) following thermal annealing. A core‐shell structure with manganese oxide as the core and N, P‐doped carbon layer as the shell was revealed by structure and morphology analysis. Temperature dependence of phase structure and ORR activity was found by a series of physical and electrochemical studies for MnO2@PANI sample obtained at different annealing temperatures. The MnO2@PANI obtained at 800 °C exhibited the best catalytic performance, close to Pt/C for ORR; Specifically, the onset potential and half‐wave potential were 0.92 and 0.76 V respectively, outperforming their counterparts of MnO2 and N, P−C alone. The improved catalytic performance can be attributed to the conductivity improvement and the synergistic effect of the intrinsic activity of manganese oxide and N, P‐doped carbon layer. The current work demonstrated an efficient approach to boost the catalytic performance for ORR catalyzed by manganese oxide.

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Challenges and Approaches of Nanoelectrocatalysts for Fuel Cell

Matthews,

Gwebu,

Adekunle

et al. 2024

Environmental Chemistry for a Sustainable World

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Thermal Annealing Effect of Co−N−C/Carbon Nanotube on the Electrochemical Oxygen Reduction Reaction

Cited by 9 publications

References 43 publications

Microporous Solids En Route to Heterogeneous Electrocatalysis: The Oxygen Reduction Reaction

Microporous Solids En Route to Heterogeneous Electrocatalysis: The Oxygen Reduction Reaction

Electrochemical Oxygen Reduction Reaction Performance Boosted by N, P Doped Carbon Layer over Manganese Dioxide Nanorod

Challenges and Approaches of Nanoelectrocatalysts for Fuel Cell

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