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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201804333
|2 doi
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|a pubmed24n0961.xml
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|a (DE-627)NLM288448073
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|a (NLM)30207621
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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 Chen, Gao
|e verfasserin
|4 aut
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|a A Universal Strategy to Design Superior Water-Splitting Electrocatalysts Based on Fast In Situ Reconstruction of Amorphous Nanofilm Precursors
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|c 2018
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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 Completed 29.10.2018
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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 © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The development of efficient bifunctional electrodes with extraordinary mass activity and robust stability is an eternal yet challenging goal for the water-splitting process. Surface reconstruction during electrocatalysis can form fresh-composition electrocatalysts with unusual amorphous phases in situ, which are more active but difficult to prepare by conventional methods. Here, a facile strategy based on fast reconstruction of amorphous nanofilm precursors is proposed for exploring precious-metal-free catalysts with good electronic conductivity, ultrahigh activity, and robust stability. As a proof of concept, an amorphous SrCo0.85 Fe0.1 P0.05 O3- δ (SCFP) nanofilm precursor with weak chemical bonds deposited onto a conductive nickel foam (NF) substrate (SCFP-NF) is synthesized by utilizing a high-energy argon plasma to break the strong chemical bonds in a crystalline SCFP target. The quickly reconstructed SCFP-NF bifunctional catalysts show ultrahigh mass activity of up to 1000 mA mg-1 at an overpotential of 550 mV and extremely long operational stability of up to 650 h at 10 mA cm-2 , significantly overperforming state-of-the-art precious-metal catalysts. Such a strategy is further demonstrated to be a universal method, which can be applied to accelerate the reconstruction of other material systems to obtain various efficient electrocatalysts
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|a Journal Article
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|a perovskites
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|a plasma
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|a surface reconstruction
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|a water splitting
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|a Hu, Zhiwei
|e verfasserin
|4 aut
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|a Zhu, Yanping
|e verfasserin
|4 aut
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1 |
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|a Gu, Binbin
|e verfasserin
|4 aut
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|a Zhong, Yijun
|e verfasserin
|4 aut
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|a Lin, Hong-Ji
|e verfasserin
|4 aut
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|a Chen, Chien-Te
|e verfasserin
|4 aut
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|a Zhou, Wei
|e verfasserin
|4 aut
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|a Shao, Zongping
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 43 vom: 30. Okt., Seite e1804333
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:30
|g year:2018
|g number:43
|g day:30
|g month:10
|g pages:e1804333
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|u http://dx.doi.org/10.1002/adma.201804333
|3 Volltext
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|d 30
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|e 43
|b 30
|c 10
|h e1804333
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