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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201807615
|2 doi
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|a pubmed24n0980.xml
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|a eng
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1 |
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|a Shao, Yuyan
|e verfasserin
|4 aut
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|a PGM-Free Cathode Catalysts for PEM Fuel Cells
|b A Mini-Review on Stability Challenges
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|c 2019
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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
|b cr
|2 rdacarrier
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a In recent years, significant progress has been achieved in the development of platinum group metal-free (PGM-free) oxygen reduction reaction (ORR) catalysts for proton exchange membrane (PEM) fuel cells. At the same time the limited durability of these catalysts remains a great challenge that needs to be addressed. This mini-review summarizes the recent progress in understanding the main causes of instability of PGM-free ORR catalysts in acidic environments, focusing on transition metal/nitrogen codoped systems (M-N-C catalysts, M: Fe, Co, Mn), particularly MNx moiety active sites. Of several possible degradation mechanisms, demetalation and carbon oxidation are found to be the most likely reasons for M-N-C catalysts/cathodes degradation
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|a Journal Article
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|a Review
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|a MNx moieties
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|a PGM-free catalysts
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4 |
|a degradation
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|a oxygen reduction
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4 |
|a platinum group metal-free catalysts
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1 |
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|a Dodelet, Jean-Pol
|e verfasserin
|4 aut
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1 |
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|a Wu, Gang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zelenay, Piotr
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 31(2019), 31 vom: 01. Aug., Seite e1807615
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:31
|g year:2019
|g number:31
|g day:01
|g month:08
|g pages:e1807615
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|u http://dx.doi.org/10.1002/adma.201807615
|3 Volltext
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