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Monolithic Carbide-Derived Carbon Films for Micro-Supercapacitors

Chmiola, John and Largeot, Céline and Taberna, Pierre-Louis and Simon, Patrice and Gogotsi, Yury Monolithic Carbide-Derived Carbon Films for Micro-Supercapacitors. (2010) Science, vol. 3 (n° 597). pp. 480-483. ISSN 1095-9203

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Official URL: http://dx.doi.org/10.1126/science.1184126

Abstract

Microbatteries with dimensions of tens to hundreds of micrometers that are produced by common microfabrication techniques are poised to provide integration of power sources onto electronic devices, but they still suffer from poor cycle lifetime, as well as power and temperature range of operation issues that are alleviated with the use of supercapacitors. There have been a few reports on thin-film and other micro-supercapacitors, but they are either too thin to provide sufficient energy or the technology is not scalable. By etching supercapacitor electrodes into conductive titanium carbide substrates, we demonstrate that monolithic carbon films lead to a volumetric capacity exceeding that of micro- and macroscale supercapacitors reported thus far, by a factor of 2. This study also provides the framework for integration of high-performance micro-supercapacitors onto a variety of devices.

Item Type:Article
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
Other partners > Drexel University (USA)
Laboratory name:
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Deposited By:Gestionnaire Raphaele Rigola

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