Nafion‐Induced Reduction of Manganese and its Impact on the Electrocatalytic Properties of a Highly Active MnFeNi Oxide for Bifunctional Oxygen Conversion Научная публикация
| Журнал |
ChemElectroChem
ISSN: 2196-0216 |
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| Вых. Данные | Год: 2021, Том: 8, Номер: 15, Страницы: 2979-2983 Страниц : 5 DOI: 10.1002/celc.202100744 | ||||||
| Ключевые слова | bifunctional oxygen electrodes; Nafion; oxidation state; transition metals; X-ray absorption spectroscopy | ||||||
| Авторы |
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| Организации |
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Информация о финансировании (2)
| 1 | Министерство науки и высшего образования Российской Федерации (с 15 мая 2018) | 0239-2021-0010 |
| 2 | European Commission | 804092 H2020-EU.1.1. ME4OER |
Реферат:
Electrocatalysts for bifunctional oxygen reduction (ORR) and oxygen evolution reactions (OER) are commonly studied under hydrodynamic conditions, rendering the use of binders necessary to ensure the mechanical stability of the electrode films. The presence of a binder, however, may influence the properties of the materials under examination to an unknown extent. Herein, we investigate the impact of Nafion on a highly active ORR/OER catalyst consisting of MnFeNi oxide nanoparticles supported on multi-walled carbon nanotubes. Electrochemical studies revealed that, in addition to enhancing the mechanical stability and particle connectivity, Nafion poses a major impact on the ORR selectivity, which correlates with a decrease in the valence state of Mn according to X-ray absorption spectroscopy. These findings call for awareness regarding the use of electrode additives, since in some cases the extent of their impact on the properties of electrode films cannot be regarded as negligible.
Библиографическая ссылка:
Morales D.M.
, Villalobos J.
, Kazakova M.A.
, Xiao J.
, Risch M.
Nafion‐Induced Reduction of Manganese and its Impact on the Electrocatalytic Properties of a Highly Active MnFeNi Oxide for Bifunctional Oxygen Conversion
ChemElectroChem. 2021. V.8. N15. P.2979-2983. DOI: 10.1002/celc.202100744 WOS Scopus РИНЦ CAPlus PMID OpenAlex
Nafion‐Induced Reduction of Manganese and its Impact on the Electrocatalytic Properties of a Highly Active MnFeNi Oxide for Bifunctional Oxygen Conversion
ChemElectroChem. 2021. V.8. N15. P.2979-2983. DOI: 10.1002/celc.202100744 WOS Scopus РИНЦ CAPlus PMID OpenAlex
Даты:
| Поступила в редакцию: | 31 мая 2021 г. |
| Принята к публикации: | 21 июл. 2021 г. |
| Опубликована online: | 28 июл. 2021 г. |
| Опубликована в печати: | 2 авг. 2021 г. |
Идентификаторы БД:
| Web of science: | WOS:000690906100029 |
| Scopus: | 2-s2.0-85113720217 |
| РИНЦ: | 47001931 |
| Chemical Abstracts: | 2021:1954879 |
| PMID (PubMed): | 34595088 |
| OpenAlex: | W3186009033 |