From Plastic Waste to New Materials for Energy Storage
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Date
2022-07-06Author
Olazabal Lorea, Ion
Goujon, Nicolas
Mantione, Daniele
Álvarez Tirado, Marta
Jehanno, Coralie
Mecerreyes Molero, David
Sardon Muguruza, Haritz
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Polymer Chemistry 13(29) : 4222-4229 (2022)
Abstract
The use of plastic waste to develop high added value materials, also known as upcycling, is a useful strategy towards the development of more sustainable materials. More specifically, the use of plastic waste as a feedstock for synthesising new materials for energy storage devices can not only provide a route to upgrading plastic waste but can also help in the search for sustainable materials. This perspective describes recent strategies for the use of plastic waste as a sustainable, cheap and abundant feedstock in the production of new materials for electrochemical energy storage devices such as lithium batteries, sodium batteries and supercapacitors. Two main strategies are described, the development of conducting carbons by combustion of plastic waste and the depolymerization of plastics into new chemicals and materials. In both cases, catalysis has been key to ensuring high efficiency and performance. Future opportunities and challenges are highlighted and hypotheses are made on how the use of plastic waste could enhance the circularity of current energy storage devices.