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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202107185
|2 doi
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|a pubmed24n1106.xml
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|a (DE-627)NLM331959046
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|a (NLM)34655453
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|a DE-627
|b ger
|c DE-627
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|a eng
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| 100 |
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|a Lu, Yuxuan
|e verfasserin
|4 aut
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| 245 |
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|a Tailoring Competitive Adsorption Sites by Oxygen-Vacancy on Cobalt Oxides to Enhance the Electrooxidation of Biomass
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|c 2022
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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 13.01.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a The electrooxidation of 5-hydroxymethylfurfural (HMF) offers a promising green route to attain high-value chemicals from biomass. The HMF electrooxidation reaction (HMFOR) is a complicated process involving the combined adsorption and coupling of organic molecules and OH- on the electrode surface. An in-depth understanding of these adsorption sites and reaction processes on electrocatalysts is fundamentally important. Herein, the adsorption behavior of HMF and OH- , and the role of oxygen vacancy on Co3 O4 are initially unraveled. Correspondingly, instead of the competitive adsorption of OH- and HMF on the metal sites, it is observed that the OH- can fill into oxygen vacancy (Vo) prior to couple with organic molecules through lattice oxygen oxidation reaction process, which could accelerate the rate-determining step of the dehydrogenation of 5-hydroxymethyl-2-furancarboxylic acid (HMFCA) intermediates. With the modulated adsorption sites, the as-designed Vo-Co3 O4 shows excellent activity for HMFOR with the earlier potential of 90 and 120 mV at 10 mA cm-2 in 1 m KOH and 1 m PBS solution. This work sheds insight on the catalytic mechanism of oxygen vacancy, which benefits designing a novel electrocatalysts to modulate the multi-molecules combined adsorption behaviors
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|a Journal Article
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|a biomass upgrading
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|a electrocatalysts
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|a oxygen vacancy
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|a spinel oxide
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|a Liu, Tianyang
|e verfasserin
|4 aut
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|a Dong, Chung-Li
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Chunming
|e verfasserin
|4 aut
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|a Zhou, Ling
|e verfasserin
|4 aut
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|a Huang, Yu-Cheng
|e verfasserin
|4 aut
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1 |
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|a Li, Yafei
|e verfasserin
|4 aut
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|a Zhou, Bo
|e verfasserin
|4 aut
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|a Zou, Yuqin
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Shuangyin
|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 34(2022), 2 vom: 16. Jan., Seite e2107185
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:2
|g day:16
|g month:01
|g pages:e2107185
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|u http://dx.doi.org/10.1002/adma.202107185
|3 Volltext
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