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Round-the-clock bif...
Round-the-clock bifunctional honeycomb-like nitrogen-doped carbon-decorated Co2P/Mo2C-heterojunction electrocatalyst for direct water splitting with 18.1% STH efficiency
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- Sun, Pengliang (author)
- School of Chemical Science and Technology, Institute for Ecological Research and Pollution Control of Plateau Lakes, and School of Ecology and Environmental Science, Yunnan University, Kunming, China
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- Zhou, Yingtang (author)
- National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, Zhoushan, China
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- Li, Hongyi (author)
- Guangzhou Panyu Polytechnic, Guangzhou, China
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- Zhang, Hua (author)
- School of Chemical Science and Technology, Institute for Ecological Research and Pollution Control of Plateau Lakes, and School of Ecology and Environmental Science, Yunnan University, Kunming, China
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- Feng, Ligang (author)
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
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- Cao, Qiue (author)
- School of Chemical Science and Technology, Institute for Ecological Research and Pollution Control of Plateau Lakes, and School of Ecology and Environmental Science, Yunnan University, Kunming, China
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- Liu, Shixi (author)
- School of Chemical Science and Technology, Institute for Ecological Research and Pollution Control of Plateau Lakes, and School of Ecology and Environmental Science, Yunnan University, Kunming, China
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- Wågberg, Thomas, 1971- (author)
- Umeå universitet,Institutionen för fysik
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- Hu, Guangzhi (author)
- Umeå universitet,Institutionen för fysik,School of Chemical Science and Technology, Institute for Ecological Research and Pollution Control of Plateau Lakes, and School of Ecology and Environmental Science, Yunnan University, Kunming, China
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(creator_code:org_t)
- Elsevier, 2022
- 2022
- English.
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In: Applied Catalysis B. - : Elsevier. - 0926-3373 .- 1873-3883. ; 310
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Abstract
Subject headings
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- Hydrogen production via solar and electrochemical water splitting is a promising approach for storing solar energy and achieving a carbon-neutral economy. However, hydrogen production by photoelectric coupling remains a challenge. Here, by the cooperative coupling of heteroatoms and a heterojunction interface engineering strategy in a limited space, a honeycomb porous Co2P/Mo2C@NC catalyst was obtained for the first time. In contrast most traditional chemical syntheses, this method maintains excellent electrical interconnections among the nanoparticles and results in large surface areas and many catalytically active sites. Theoretical calculations reveal that the construction of a heterostructure can effectively lower the hydrogen evolution reaction and oxygen evolution reaction barriers as well as improve the electrical conductivity, consequently enhancing the electrochemical performance. Significantly, the overall water-splitting hydrolytic tank assembled using AsGa solar cells enabled the system to achieve a stable solar hydrogen conversion efficiency of 18.1%, which provides a new approach for facilitating large-scale hydrogen production via portable water hydrolysis driven by solar cells.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Annan kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Other Chemical Engineering (hsv//eng)
Keyword
- Heteroatom cooperative coupling
- Heterojunction interface
- Intrinsic activity
- Overall water splitting
- Round-the-clock
- Solar-to-hydrogen efficiency
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Sun, Pengliang
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Zhou, Yingtang
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Li, Hongyi
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Zhang, Hua
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Feng, Ligang
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Cao, Qiue
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Liu, Shixi
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Wågberg, Thomas, ...
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Hu, Guangzhi
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Chemical Enginee ...
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and Other Chemical E ...
- Articles in the publication
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Applied Catalysi ...
- By the university
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Umeå University