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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202104791
|2 doi
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|a pubmed24n1103.xml
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|a (DE-627)NLM331035685
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|a (NLM)34561909
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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 Zhang, Yiqiong
|e verfasserin
|4 aut
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| 245 |
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|a Coupling Glucose-Assisted Cu(I)/Cu(II) Redox with Electrochemical Hydrogen Production
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|c 2021
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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 01.12.2021
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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 Water electrolysis is a sustainable technology for hydrogen production since this process can utilize the intermittent electricity generated by renewable energy such as solar, wind, and hydro. However, the large-scale application of this process is restricted by the high electricity consumption due to the large potential gap (>1.23 V) between the anodic oxygen evolution reaction and the cathodic hydrogen evolution reaction (HER). Herein, a novel and efficient hydrogen production system is developed for coupling glucose-assisted Cu(I)/Cu(II) redox with HER. The onset potential of the electrooxidation of Cu(I) to Cu(II) is as low as 0.7 VRHE (vs reversible hydrogen electrode). In situ Raman spectroscopy, ex situ X-ray photoelectron spectroscopy, and density functional theory calculation demonstrates that glucose in the electrolyte can reduce the Cu(II) into Cu(I) instantaneously via a thermocatalysis process, thus completing the cycle of Cu(I)/Cu(II) redox. The assembled electrolyzer only requires a voltage input of 0.92 V to achieve a current density of 100 mA cm-2 . Consequently, the electricity consumption for per cubic H2 produced in the system is 2.2 kWh, only half of the value for conventional water electrolysis (4.5 kWh). This work provides a promising strategy for the low-cost, efficient production of high-purity H2
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|a Journal Article
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|a Cu(I)/Cu(II) redox
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| 650 |
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4 |
|a copper oxide
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4 |
|a electrocatalysis
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| 650 |
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4 |
|a hydrogen production
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| 650 |
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4 |
|a organic electrooxidation
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|a Zhou, Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Zengxi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Wang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Dongdong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tian, Jing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Tehua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Shuangliang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Jilei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tao, Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Shuangyin
|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 33(2021), 48 vom: 05. Dez., Seite e2104791
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:33
|g year:2021
|g number:48
|g day:05
|g month:12
|g pages:e2104791
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|u http://dx.doi.org/10.1002/adma.202104791
|3 Volltext
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