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240320s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202403234
|2 doi
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|a eng
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| 100 |
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|a Song, Minwei
|e verfasserin
|4 aut
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| 245 |
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|a Corrosion Engineering of Part-Per-Million Single Atom Pt1/Ni(OH)2 Electrocatalyst for PET Upcycling at Ampere-Level Current Density
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 07.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a The plastic waste issue has posed a series of formidable challenges for the ecological environment and human health. While conventional recycling strategies often lead to plastic down-cycling, the electrochemical strategy of recovering valuable monomers enables an ideal, circular plastic economy. Here a corrosion synthesized single atom Pt1/Ni(OH)2 electrocatalyst with part-per-million noble Pt loading for highly efficient and selective upcycling of polyethylene terephthalate (PET) into valuable chemicals (potassium diformate and terephthalic acid) and green hydrogen is reported. Electro-oxidation of PET hydrolysate, ethylene glycol (EG), to formate is processed with high Faraday efficiency (FE) and selectivity (>90%) at the current density close to 1000 mA cm-2 (1.444 V vs RHE). The in situ spectroscopy and density functional theory calculations provide insights into the mechanism and the understanding of the high efficiency. Remarkably, the electro-oxidation of EG at the ampere-level current density is also successfully illustrated by using a membrane-electrode assembly with high FEs to formate integrated with hydrogen production for 500 h of continuous operation. This process allows valuable chemical production at high space-time yield and is highly profitable (588-700 $ ton-1 PET), showing an industrial perspective on single-atom catalysis of electrochemical plastic upcycling
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|a Journal Article
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|a PET upcycling
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|a formate
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|a high current densities
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|a oxidation
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| 650 |
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|a single atom electrocatalysts
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| 700 |
1 |
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|a Wu, Yufeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Ziyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Mengting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Changlong
|e verfasserin
|4 aut
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| 700 |
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|a Lu, Jun
|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 36(2024), 23 vom: 07. Juni, Seite e2403234
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:23
|g day:07
|g month:06
|g pages:e2403234
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|u http://dx.doi.org/10.1002/adma.202403234
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