Closed-loop electro-upcycling of PET waste into formate and hydrogen <i>via</i> self-supported NiCo <sub>2</sub> O <sub>4</sub> spinel arrays
Mingkun Jiang, Yang Yang, Yujie Wang, Yajie Wang, Marina Ratova, Dan Wu
Abstract
NiCo 2 O 4 electrocatalyst upcycles PET to formate (96.7% FE) and H 2 at 400 mA cm −2 , giving $774.56 per ton PET. Ni–Co sites cleave C–C bonds while limiting overoxidation, enabling sustainable plastic valorization.
Topics & Concepts
SpinelFormateHydrogenClosed loopMaterials scienceLoop (graph theory)Chemical engineeringChemistryNanotechnologyMetallurgyOrganic chemistryCatalysisEngineeringMathematicsCombinatoricsControl engineeringRecycling and Waste Management TechniquesExtraction and Separation ProcessesMolten salt chemistry and electrochemical processes