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- Publisher Website: 10.1002/anie.202422183
- Scopus: eid_2-s2.0-85219583287
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Article: Modulating Adsorption Behavior by Single‐site Pt on RuO2 for Efficient Electrosynthesis of Glycolic Acid from Plastic Wastes
Title | Modulating Adsorption Behavior by Single‐site Pt on RuO2 for Efficient Electrosynthesis of Glycolic Acid from Plastic Wastes |
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Authors | |
Keywords | Electrosynthesis Glycolic acid Plastic wastes Polyethylene terephthalate Single-site |
Issue Date | 22-Feb-2025 |
Publisher | Wiley |
Citation | Angewandte Chemie International edition, 2025 How to Cite? |
Abstract | Electrochemical upcycling of polyethylene terephthalate (PET) wastes into valuable glycolic acid (GA) is an ideal solution for resource utilization. However, simultaneously achieving high activity and selectivity remains challenging due to the over-oxidation and C−C cleavage during ethylene glycol (EG) oxidation in PET hydrolysate. Herein, we develop an atomically isolated Pt on RuO2 (Pt1/RuO2) catalyst composed of high-density Pt−Ru interfaces that ensure single-site adsorption of EG, enrich surface *OH coverage and weaken *CO−CH2OH intermediate adsorption, thereby synergistically promoting GA generation. Specifically, Pt1/RuO2 delivers a remarkable mass activity of 8.09 A/mgPt, as well as a high GA Faradaic efficiency (95.3 %) and selectivity (96.9 %). Under membrane electrode assembly conditions, Pt1/RuO2 realizes a stable electrolysis over 500 h at 6 A with a GA yield rate of 4.06 g h−1. In-depth theoretical and in situ spectroscopic investigations reveal the synergy between isolated Pt and oxophilic RuO2 plays a crucial role in high-efficiency EG-to-GA conversion. This study offers valuable insights for the rational design of advanced catalysts for GA synthesis from PET wastes via a single-site doped bimetallic strategy. |
Persistent Identifier | http://hdl.handle.net/10722/355263 |
ISSN | 2023 Impact Factor: 16.1 2023 SCImago Journal Rankings: 5.300 |
DC Field | Value | Language |
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dc.contributor.author | Liu, Fulai | - |
dc.contributor.author | Zhou, Jingtao | - |
dc.contributor.author | Gao, Xutao | - |
dc.contributor.author | Shi, Rui | - |
dc.contributor.author | Guo, Zhengxiao | - |
dc.contributor.author | Tse, Edmund CM | - |
dc.contributor.author | Chen, Yong | - |
dc.date.accessioned | 2025-04-01T00:35:18Z | - |
dc.date.available | 2025-04-01T00:35:18Z | - |
dc.date.issued | 2025-02-22 | - |
dc.identifier.citation | Angewandte Chemie International edition, 2025 | - |
dc.identifier.issn | 1433-7851 | - |
dc.identifier.uri | http://hdl.handle.net/10722/355263 | - |
dc.description.abstract | <p>Electrochemical upcycling of polyethylene terephthalate (PET) wastes into valuable glycolic acid (GA) is an ideal solution for resource utilization. However, simultaneously achieving high activity and selectivity remains challenging due to the over-oxidation and C−C cleavage during ethylene glycol (EG) oxidation in PET hydrolysate. Herein, we develop an atomically isolated Pt on RuO<sub>2</sub> (Pt<sub>1</sub>/RuO<sub>2</sub>) catalyst composed of high-density Pt−Ru interfaces that ensure single-site adsorption of EG, enrich surface *OH coverage and weaken *CO−CH<sub>2</sub>OH intermediate adsorption, thereby synergistically promoting GA generation. Specifically, Pt<sub>1</sub>/RuO<sub>2</sub> delivers a remarkable mass activity of 8.09 A/mg<sub>Pt</sub>, as well as a high GA Faradaic efficiency (95.3 %) and selectivity (96.9 %). Under membrane electrode assembly conditions, Pt<sub>1</sub>/RuO<sub>2</sub> realizes a stable electrolysis over 500 h at 6 A with a GA yield rate of 4.06 g h<sup>−1</sup>. In-depth theoretical and in situ spectroscopic investigations reveal the synergy between isolated Pt and oxophilic RuO<sub>2</sub> plays a crucial role in high-efficiency EG-to-GA conversion. This study offers valuable insights for the rational design of advanced catalysts for GA synthesis from PET wastes via a single-site doped bimetallic strategy.<br></p> | - |
dc.language | eng | - |
dc.publisher | Wiley | - |
dc.relation.ispartof | Angewandte Chemie International edition | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Electrosynthesis | - |
dc.subject | Glycolic acid | - |
dc.subject | Plastic wastes | - |
dc.subject | Polyethylene terephthalate | - |
dc.subject | Single-site | - |
dc.title | Modulating Adsorption Behavior by Single‐site Pt on RuO2 for Efficient Electrosynthesis of Glycolic Acid from Plastic Wastes | - |
dc.type | Article | - |
dc.identifier.doi | 10.1002/anie.202422183 | - |
dc.identifier.scopus | eid_2-s2.0-85219583287 | - |
dc.identifier.eissn | 1521-3773 | - |
dc.identifier.issnl | 1433-7851 | - |