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Nested hollow archi...
Nested hollow architectures of nitrogen-doped carbon-decorated Fe, Co, Ni-based phosphides for boosting water and urea electrolysis
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- Zhang, Jie (author)
- Shanghai Univ, Peoples R China
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- Huang, Shoushuang (author)
- Shanghai Univ, Peoples R China
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- Ning, Ping (author)
- Shanghai Univ, Peoples R China
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- Xin, Peijun (author)
- Shanghai Univ, Peoples R China
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- Chen, Zhiwen (author)
- Shanghai Univ, Peoples R China
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- Wang, Qing (author)
- Shanghai Univ, Peoples R China
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- Uvdal, Kajsa (author)
- Linköpings universitet,Molekylär ytfysik och nanovetenskap,Tekniska fakulteten
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- Hu, Zhang-Jun (author)
- Linköpings universitet,Molekylär ytfysik och nanovetenskap,Tekniska fakulteten,Shanghai Univ, Peoples R China
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(creator_code:org_t)
- 2021-09-02
- 2022
- English.
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In: Nano Reseach. - : Tsinghua University Press. - 1998-0124 .- 1998-0000. ; 15, s. 1916-1925
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Tailoring the nanostructure/morphology and chemical composition is important to regulate the electronic configuration of electrocatalysts and thus enhance their performance for water and urea electrolysis. Herein, the nitrogen-doped carbon-decorated tricomponent metal phosphides of FeP4 nanotube@Ni-Co-P nanocage (NC-FNCP) with unique nested hollow architectures are fabricated by a self-sacrifice template strategy. Benefiting from the multi-component synergy, the modification of nitrogen-doped carbon, and the modulation of nested porous hollow morphology, NC-FNCP facilitates rapid electron/mass transport in water and urea electrolysis. NC-FNCP-based anode shows low potentials of 248 mV and 1.37 V (vs. reversible hydrogen electrode) to attain 10 mA/cm(2) for oxygen evolution reaction (OER) and urea oxidation reaction (UOR), respectively. In addition, the overall urea electrolysis drives 10 mA/cm(2) at a comparatively low voltage of 1.52 V (vs. RHE) that is 110 mV lower than that of overall water electrolysis, as well as exhibits excellent stability over 20 h. This work strategizes a multi-shell-structured electrocatalyst with multi-compositions and explores its applications in a sustainable combination of hydrogen production and sewage remediation.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- tri-metal phosphides; nested hollow nano-architecture; oxygen evolution reaction; urea oxidation reaction
Publication and Content Type
- ref (subject category)
- art (subject category)
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