From plastic-waste to H2: Electrolysis of a Poly(methyl methacrylate) model molecule on polymer electrolyte membrane reactors

Hydrogen production by the electrolysis of plastic-waste was recently suggested as an alternative approach to water electrolysis, owing to its favoured thermodynamics. However, the fundamental aspects of such electro-catalytic process were not studied in detail. Here we propose a new approach to und...

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Bibliographic Details
Published in:Journal of power sources 2020-12, Vol.480, p.228800, Article 228800
Main Authors: Grimaldos-Osorio, N., Sordello, F., Passananti, M., Vernoux, P., Caravaca, A.
Format: Article
Language:English
Subjects:
Chemical Sciences
Hydrogen production
Methyl pivalate model molecule
Other
PEM electrolysis cell
Plastic-waste valorisation
PMMA valorisation
Polymers
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Summary:Hydrogen production by the electrolysis of plastic-waste was recently suggested as an alternative approach to water electrolysis, owing to its favoured thermodynamics. However, the fundamental aspects of such electro-catalytic process were not studied in detail. Here we propose a new approach to understand the electrolysis of polymers, by the use of model molecules. Our target is to develop a technology for the electrolysis of poly(methyl methacrylate), PMMA, plastic waste. We used methyl pivalate (MP) as a model molecule, since it contains similar functional groups than PMMA. We performed electrolysis experiments in a Polymer Electrolyte Membrane reactor with Nafion® protonic membranes and Pt/C electrodes at low temperatures (
ISSN:0378-7753
1873-2755
DOI:10.1016/j.jpowsour.2020.228800