{"title":"Upcycling of monomers derived from waste polyester plastics via electrocatalysis","authors":"Haoye Wang , Richard Lee Smith Jr , Xinhua Qi","doi":"10.1016/j.jechem.2024.10.005","DOIUrl":null,"url":null,"abstract":"<div><div>Electrocatalysis offers efficient and targeted conversion of monomers derived from waste polyester plastics to chemical products under ambient temperature and pressure conditions. This review provides analysis of research on electrochemical upgrading of monomers derived from waste polyester plastics published from 2021 to present. Factors for assessing upgrading of waste polyester plastics include alkaline hydrolysis pretreatment, indices of electrochemical reaction process (activity, stability, and techno-economic analysis), separation, and product recovery. Types of depolymerization monomers and their value-added products are summarized along with electrocatalytic mechanisms and reaction pathways. Notably, cathode coupled reactions offer significant value for anodic waste plastic oxidation during electrolysis processes. Development of bifunctional electrocatalysts can reduce the cost of coupled systems and complexity of the electrolyzer. Upgrading and recycling of waste plastic monomers using electrocatalytic technology should undergo downstream processing to form high-value products containing C–N and C–S derived functional groups obtained from depolymerized monomers. Electrochemical conversion and upgrading of monomers derived from waste polyester plastics can contribute to industrialization and global economies and help to realize environmental sustainability.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"101 ","pages":"Pages 535-561"},"PeriodicalIF":13.1000,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Energy Chemistry","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S209549562400696X","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"Energy","Score":null,"Total":0}
引用次数: 0
Abstract
Electrocatalysis offers efficient and targeted conversion of monomers derived from waste polyester plastics to chemical products under ambient temperature and pressure conditions. This review provides analysis of research on electrochemical upgrading of monomers derived from waste polyester plastics published from 2021 to present. Factors for assessing upgrading of waste polyester plastics include alkaline hydrolysis pretreatment, indices of electrochemical reaction process (activity, stability, and techno-economic analysis), separation, and product recovery. Types of depolymerization monomers and their value-added products are summarized along with electrocatalytic mechanisms and reaction pathways. Notably, cathode coupled reactions offer significant value for anodic waste plastic oxidation during electrolysis processes. Development of bifunctional electrocatalysts can reduce the cost of coupled systems and complexity of the electrolyzer. Upgrading and recycling of waste plastic monomers using electrocatalytic technology should undergo downstream processing to form high-value products containing C–N and C–S derived functional groups obtained from depolymerized monomers. Electrochemical conversion and upgrading of monomers derived from waste polyester plastics can contribute to industrialization and global economies and help to realize environmental sustainability.
期刊介绍：
The Journal of Energy Chemistry, the official publication of Science Press and the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, serves as a platform for reporting creative research and innovative applications in energy chemistry. It mainly reports on creative researches and innovative applications of chemical conversions of fossil energy, carbon dioxide, electrochemical energy and hydrogen energy, as well as the conversions of biomass and solar energy related with chemical issues to promote academic exchanges in the field of energy chemistry and to accelerate the exploration, research and development of energy science and technologies.
This journal focuses on original research papers covering various topics within energy chemistry worldwide, including:
Optimized utilization of fossil energy
Hydrogen energy
Conversion and storage of electrochemical energy
Capture, storage, and chemical conversion of carbon dioxide
Materials and nanotechnologies for energy conversion and storage
Chemistry in biomass conversion
Chemistry in the utilization of solar energy
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