Construct N-doped carbon anchored CoFe alloy nanoparticles with high content graphitic-N for electrocatalytic oxygen reduction
Copyright © 2023 Elsevier Inc. All rights reserved..
Oxygen reduction reaction (ORR) is an essential half-reaction in next-generation energy storage and conversion systems, such as metal-air batteries and fuel cells. However, its practical application is restricted by the slow intrinsic kinetics, and the high price and low storage of noble metal electrocatalysts. Herein, unique CoFe nanoparticles encapsulated in N-doped carbon (CoFe-NC-Z8-900) with high content graphite-N derived from CoFe-g-C3N4ZIF-8 via stepwise pyrolysis is reported as effective ORR catalysts. The increase of graphitic nitrogen content can enhance both the electrical conductivity and the adsorption of oxygen-containing intermediates, resulting in improved catalytic performance. Fortunately, CoFe-NC-Z8-900 exhibits an exceptionally high half-wave potential (E1/2) of 0.914 V in a 0.1 M KOH solution. The excellent ORR electrocatalytic activity can be mainly attributed to the synergistic effect of the CoFe bimetal and the relatively high content of graphite-N. This study offers a unique method for creating powerful nitrogen-doped carbon coated metal nanoparticle electrocatalysts.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 2023 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:653 |
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| Enthalten in: |
Journal of colloid and interface science - 653(2023), Pt B vom: 06. Jan., Seite 1785-1791 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bai, Jirong [VerfasserIn] |
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| Links: |
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| Themen: |
CoFe alloy |
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| Anmerkungen: |
Date Revised 30.10.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.jcis.2023.09.171 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM363004963 |
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| 500 | |a Date Revised 30.10.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright © 2023 Elsevier Inc. All rights reserved. | ||
| 520 | |a Oxygen reduction reaction (ORR) is an essential half-reaction in next-generation energy storage and conversion systems, such as metal-air batteries and fuel cells. However, its practical application is restricted by the slow intrinsic kinetics, and the high price and low storage of noble metal electrocatalysts. Herein, unique CoFe nanoparticles encapsulated in N-doped carbon (CoFe-NC-Z8-900) with high content graphite-N derived from CoFe-g-C3N4ZIF-8 via stepwise pyrolysis is reported as effective ORR catalysts. The increase of graphitic nitrogen content can enhance both the electrical conductivity and the adsorption of oxygen-containing intermediates, resulting in improved catalytic performance. Fortunately, CoFe-NC-Z8-900 exhibits an exceptionally high half-wave potential (E1/2) of 0.914 V in a 0.1 M KOH solution. The excellent ORR electrocatalytic activity can be mainly attributed to the synergistic effect of the CoFe bimetal and the relatively high content of graphite-N. This study offers a unique method for creating powerful nitrogen-doped carbon coated metal nanoparticle electrocatalysts | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a CoFe alloy | |
| 650 | 4 | |a High content graphitic-N | |
| 650 | 4 | |a N-doped carbon | |
| 650 | 4 | |a Oxygen reduction reaction | |
| 650 | 4 | |a Synergistic effect | |
| 700 | 1 | |a Cheng, Lei |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Shuxin |e verfasserin |4 aut | |
| 700 | 1 | |a Lian, Yuebin |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Yaoyao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Quanfa |e verfasserin |4 aut | |
| 700 | 1 | |a Xiang, Mei |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Yawen |e verfasserin |4 aut | |
| 700 | 1 | |a Su, Yaqiong |e verfasserin |4 aut | |
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