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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202302625
|2 doi
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|a pubmed24n1194.xml
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|a (DE-627)NLM358286387
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|a (NLM)37327064
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Balamurugan, Jayaraman
|e verfasserin
|4 aut
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| 245 |
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|a Electrocatalysts for Zinc-Air Batteries Featuring Single Molybdenum Atoms in a Nitrogen-Doped Carbon Framework
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 01.09.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Bifunctional catalysts can facilitate two different electrochemical reactions with conflicting characteristics. Here, a highly reversible bifunctional electrocatalyst for rechargeable zinc-air batteries (ZABs) is reported featuring a "core-shell structure" in which N-doped graphene sheets wrap around vanadium molybdenum oxynitride nanoparticles. Single Mo atoms are released from the particle core during synthesis and anchored to electronegative N-dopant species in the graphitic shell. The resultant Mo single-atom catalysts excel as active oxygen evolution reaction (OER) sites in pyrrolic-N and as active oxygen reduction reaction (ORR) sites in pyridinic-N environments. ZABs with such bifunctional and multicomponent single-atom catalysts deliver high power density (≈376.4 mW cm-2 ) and long cycle life of over 630 h, outperforming noble-metal-based benchmarks. Flexible ZABs that can tolerate a wide range of temperatures (-20 to 80 °C) under severe mechanical deformation are also demonstrated
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|a Journal Article
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4 |
|a core-shell interface
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4 |
|a interfacial engineering
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4 |
|a oxygen evolution reaction
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4 |
|a oxygen reduction reaction
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| 650 |
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4 |
|a single-atom catalysts
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| 650 |
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4 |
|a zinc-air batteries
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| 700 |
1 |
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|a Austeria, P Muthu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Jun Beom
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jeong, Eun-Suk
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Hsin-Hui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Do Hwan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Koratkar, Nikhil
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Sang Ouk
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 35 vom: 01. Sept., Seite e2302625
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:35
|g year:2023
|g number:35
|g day:01
|g month:09
|g pages:e2302625
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202302625
|3 Volltext
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|a GBV_ILN_350
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|d 35
|j 2023
|e 35
|b 01
|c 09
|h e2302625
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