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Carbon nanofoam supercapacitor electrodes with enhanced performance using a water-transfer process

AuthorsNufer, Sebastian; Lynch, Peter; Cann, Maria; Large, Matthew J.; Salvage, Jonathan P.; Víctor-Román, Sandra; Hernández-Ferrer, Javier; Benito, Ana M. ; Maser, Wolfgang K. ; Brunton, Adam; Dalton, Alan B.
KeywordsCarbon Nanofoam
Graphene Oxide
Water-Transfer Processing
Issue Date8-Nov-2018
PublisherAmerican Chemical Society
CitationACS Omega 3: 15134−15139 (2018)
AbstractCarbon nanofoam (CNF) is a highly porous, amorphous carbon nanomaterial that can be produced through the interaction of a high-fluence laser and a carbonbased target material. The morphology and electrical properties of CNF make it an ideal candidate for supercapacitor applications. In this paper, we prepare and characterize CNF supercapacitor electrodes through two different processes, namely, a direct process and a water-transfer process. We elucidate the influence of the production process on the microstructural properties of the CNF, as well as the final electrochemical performance. We show that a change in morphology due to capillary forces doubles the specific capacitance of the wet-transferred CNF electrodes.
Publisher version (URL)https://doi.org/10.1021/acsomega.8b02118
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