journal article·2022-02-04Open access

Thermal Stability of Ionic Liquids: Effect of Metals

Francesca Nardelli, Emilia Bramanti, Alessandro Lavacchi, Silvia Pizzanelli, Beatrice Campanella, Claudia Forte, Enrico Berretti, Angelo Freni

Applied Sciences· Volume 12· Issue 3

Abstract

We investigated the thermal stability and corrosion effects of a promising ionic liquid (IL) to be employed as an advanced heat transfer fluid in solar thermal energy applications. Degradation tests were performed on IL samples kept in contact with various metals (steel, copper and brass) at 200 °C for different time lengths. Structural characterization of fresh and aged IL samples was carried out by high-resolution magic angle spinning nuclear magnetic resonance and Fourier transform infrared spectroscopic analyses, while headspace gas chromatography–mass spectrometry was employed to evaluate the release of volatile organic compounds. The combination of the above-mentioned techniques effectively allowed the occurrence of degradation processes due to aging to be verified.
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Research context

OpenAlex topics: Ionic liquids properties and applications · Electrochemical Analysis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124 Pisa, Italy

Istituto di Chimica dei Composti OrganoMetallici, Consiglio Nazionale delle Ricerche, Via G. Moruzzi 1, 56124 Pisa, Italy

Istituto di Chimica dei Composti OrganoMetallici, Consiglio Nazionale delle Ricerche, Via Madonna del Piano 10, 50019 Firenze, Italy

Centre for Instrument Sharing (CISUP), University of Pisa, Lungarno Pacinotti 43, 56126 Pisa, Italy

Funding

Ministry of Education, Universities and Research · Tuscany Region

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