高熵PdPtSnBiAg金属烯在PET塑料电化学重整制乙醇酸中的协同电子效应

IF 9.5 2区材料科学 Q1 CHEMISTRY, PHYSICAL

Journal of Materials Chemistry A Pub Date : 2025-09-27 DOI:10.1039/d5ta05786h

Ziqiang Wang, Jiayao Chen, Yanan Wang, Hongjie Yu, You Xu, Kai Deng, Hongjing Wang, Liang Wang

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引用次数: 0

摘要

聚对苯二甲酸乙二醇酯（PET）塑料的电催化转化为有价值的产品是一种非常有前途的废物资源再利用策略，其效率与活性和选择性电催化剂的识别高度相关。本文采用溶剂热法设计了高熵PdPtSnBiAg金属烯（HEA-PdPtSnBiAgene）作为pet衍生乙二醇氧化反应（EGOR）的高效电催化剂。在PET水解物中，HEA-PdPtSnBiAgene在0.91 V下具有91.8%的法拉第效率，并且具有良好的循环稳定性。实验研究和理论分析均支持HEA-PdPtSnBiAgene的协同电子效应提供多级活性位点，降低EGOR能垒，增强EG的C-C和O-H键能，从而促进EG向ga的转化。该研究为开发用于PET塑料电化学升级回收的高熵金属烯提供了新的思路。

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Synergistic electronic effect in high-entropy PdPtSnBiAg metallene for electrochemical reforming of PET plastics into glycolic acid

The electrocatalytic transformation of polyethylene terephthalate (PET) plastic to valuable products represents highly promising strategy for the re-utilization of waste resources, and its efficiency is highly related to the identification of active and selective electrocatalysts. Herein, high-entropy PdPtSnBiAg metallene (HEA-PdPtSnBiAgene) is designed via a solvothermal method as an efficient electrocatalyst for PET-derived ethylene glycol oxidation reaction (EGOR). In PET hydrolysate, the HEA-PdPtSnBiAgene exhibits high Faraday efficiency of 91.8% at 0.91 V, as well as excellent cycle stability.Both experimental investigations and theoretical analyses support that the synergistic electronic effect of HEA-PdPtSnBiAgene provides multi-level active sites, which can reduce EGOR energy barrier and strengthen the C-C and O-H bond energy of EG, thus promoting the EG-to-GA conversion. This research contributes to advanced insights to develop unique high-entropy metallene for electrochemical upcycling of PET plastic.

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来源期刊

Journal of Materials Chemistry A CHEMISTRY, PHYSICAL-ENERGY & FUELS

CiteScore

19.50

自引率

5.00%

发文量

1892

审稿时长

1.5 months

期刊介绍： The Journal of Materials Chemistry A, B & C covers a wide range of high-quality studies in the field of materials chemistry, with each section focusing on specific applications of the materials studied. Journal of Materials Chemistry A emphasizes applications in energy and sustainability, including topics such as artificial photosynthesis, batteries, and fuel cells. Journal of Materials Chemistry B focuses on applications in biology and medicine, while Journal of Materials Chemistry C covers applications in optical, magnetic, and electronic devices. Example topic areas within the scope of Journal of Materials Chemistry A include catalysis, green/sustainable materials, sensors, and water treatment, among others.