Alcohol–alkali hydrolysis for high-throughput PET waste electroreforming-assisted green hydrogen generation

Literature Information

Publication Date 2024-01-02
DOI 10.1039/D3TA05522A
Impact Factor 12.732
Authors

Li Quan Lee, Hu Zhao, Yunxing Zhao, Hong Li


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Abstract

Electroreforming of plastic wastes into value-added chemicals is considered as a promising method for waste valorization and resource recovery. However, it remains a grand challenge because low solubility of PET in the electrolyte limits the practical application and potential for scale up. Herein, we demonstrate an alcohol–alkali combined depolymerization strategy to improve the solubility of PET waste bottles by 4.5 times (to 91 g L−1) compared with pure alkaline hydrolysis, and then recycle PET bottles into terephthalic acid and formate. By using an iron, cobalt co-modified nickel phosphide nanosheet on nickel foam electrocatalyst (FeCo–Ni2P/NF), we achieve ultrahigh hydrogen evolution activity and alcohol oxidation activity with 71 mV and 76 mV overpotentials, respectively, at 10 mA cm−2 current density. Moreover, we employed photovoltaic modules to power the cogeneration of formate and H2 by recycling of PET waste bottles, which showed immense potential for sustainable collaborative production of H2 fuel and value-added chemicals from the waste plastic.

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Source Journal

Journal of Materials Chemistry A

Journal of Materials Chemistry A
CiteScore: 19.5
Self-citation Rate: 4.7%
Articles per Year: 2211

Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment

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