Anodic Commodity Polymer Recycling: The Merger of Iron‐Electrocatalysis with Scalable Hydrogen Evolution Reaction

Abstract: Plastics are omnipresent in our everyday life, and accumulation of post‐consumer plastic waste in our environment represents a major societal challenge. Hence, methods for plastic waste recycling are in high demand for a future circular economy. Specifically, the degradation of post‐consumer polymers towards value‐added small molecules constitutes a sustainable strategy for a carbon circular economy. Despite of recent advances, chemical polymer degradation continues to be largely limited to chemical redox agents or low energy efficiency in photochemical processes. We herein report a powerful iron‐catalyzed degradation of high molecular weight polystyrenes through electrochemistry to efficiently deliver monomeric benzoyl products. The robustness of the ferraelectrocatalysis was mirrored by the degradation of various real‐life post‐consumer plastics, also on gram scale. The cathodic half reaction was largely represented by the hydrogen evolution reaction (HER). The scalable electro‐polymer degradation could be solely fueled by solar energy through a commercially available solar panel, indicating an outstanding potential for a decentralized green hydrogen economy.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Anodic Commodity Polymer Recycling: The Merger of Iron‐Electrocatalysis with Scalable Hydrogen Evolution Reaction ; day:30 ; month:10 ; year:2024 ; extent:7
Angewandte Chemie / International edition. International edition ; (30.10.2024) (gesamt 7)

Urheber
Hourtoule, Maxime
Trienes, Sven
Ackermann, Lutz

DOI
10.1002/anie.202412689
URN
urn:nbn:de:101:1-2410301359034.573834656681
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
11.06.2202, 07:30 MESZ

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Beteiligte

  • Hourtoule, Maxime
  • Trienes, Sven
  • Ackermann, Lutz

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