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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201802011
|2 doi
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|a pubmed24n0951.xml
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|a (DE-627)NLM285329944
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|a (NLM)29888482
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Chen, Ziliang
|e verfasserin
|4 aut
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| 245 |
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|a Ultrafine Co Nanoparticles Encapsulated in Carbon-Nanotubes-Grafted Graphene Sheets as Advanced Electrocatalysts for the Hydrogen Evolution Reaction
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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
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|2 rdacarrier
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|a Date Completed 24.08.2018
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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 rational design of an efficient and inexpensive electrocatalyst based on earth-abundant 3d transition metals (TMs) for the hydrogen evolution reaction still remains a significant challenge in the renewable energy area. Herein, a novel and effective approach is developed for synthesizing ultrafine Co nanoparticles encapsulated in nitrogen-doped carbon nanotubes (N-CNTs) grafted onto both sides of reduced graphene oxide (rGO) (CoN-CNTs@rGO) by direct annealing of GO-wrapped core-shell bimetallic zeolite imidazolate frameworks. Benefiting from the uniform distribution of Co nanoparticles, the in-situ-formed highly graphitic N-CNTs@rGO, the large surface area, and the abundant porosity, the as-fabricated Co@N-CNTs@rGO composites exhibit excellent electrocatalytic hydrogen evolution reaction (HER) activity. As demonstrated in electrochemical measurements, the composites can achieve 10 mA cm-2 at low overpotential with only 108 and 87 mV in 1 m KOH and 0.5 m H2 SO4 , respectively, much better than most of the reported Co-based electrocatalysts over a wide pH range. More importantly, the synthetic strategy is versatile and can be extended to prepare other binary or even ternary TMs@N-CNTs@rGO (e.g., Co-Fe@N-CNTs@rGO and Co-Ni-Cu@N-CNTs@rGO). The strategy developed here may open a new avenue toward the development of nonprecious high-performance HER catalysts
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|a Journal Article
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|a carbon nanotubes-graphene
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|a electrocatalytic activity
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|a hydrogen evolution reaction
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|a synergistic effect
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| 650 |
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4 |
|a ultrafine Co nanoparticles
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1 |
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|a Wu, Renbing
|e verfasserin
|4 aut
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1 |
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|a Liu, Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ha, Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Yanhui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Dalin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Miao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fang, Fang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 30 vom: 20. Juli, Seite e1802011
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2018
|g number:30
|g day:20
|g month:07
|g pages:e1802011
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|u http://dx.doi.org/10.1002/adma.201802011
|3 Volltext
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