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From Thermal to Electroactive Graphene Nanofluids

Catalan Institute of Nanoscience and Nanotechnology, ICN2 (CSIC-BIST), Campus de la UAB, 08193 Bellaterra (Barcelona), Spain
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This paper is an extended version of our paper published in ICNf2019. 1st International Conference on Nanofluids, Castellón, Spain, 26–28 June 2019.
Energies 2019, 12(23), 4545; https://doi.org/10.3390/en12234545
Received: 8 November 2019 / Revised: 22 November 2019 / Accepted: 26 November 2019 / Published: 28 November 2019
Here, we describe selected work on the development and study of nanofluids based on graphene and reduced graphene oxide both in aqueous and organic electrolytes. A thorough study of thermal properties of graphene in amide organic solvents (N,N-dimethylformamide, N,N-dimethylacetamide, and N-methyl-2-pyrrolidone) showed a substantial increase of thermal conductivity and specific heat upon graphene integration in those solvents. In addition to these thermal studies, our group has also pioneered a distinct line of work on electroactive nanofluids for energy storage. In this case, reduced graphene oxide (rGO) nanofluids in aqueous electrolytes were studied and characterized by cyclic voltammetry and charge-discharge cycles (i.e., in new flow cells). In addition, hybrid configurations (both hybrid nanofluid materials and hybrid cells combining faradaic and capacitive activities) were studied and are summarized here. View Full-Text
Keywords: graphene; reduced graphene oxide (rGO); nanofluids; thermal properties; heat transfer fluids; electrochemical energy storage; electroactive nanofluids graphene; reduced graphene oxide (rGO); nanofluids; thermal properties; heat transfer fluids; electrochemical energy storage; electroactive nanofluids
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Rueda-García, D.; Rodríguez-Laguna, M.R.; Chávez-Angel, E.; P. Dubal, D.; Cabán-Huertas, Z.; Benages-Vilau, R.; Gómez-Romero, P. From Thermal to Electroactive Graphene Nanofluids. Energies 2019, 12, 4545.

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