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Realization of an Asymmetric Interdigitated Electrochemical Micro-Capacitor Based on Carbon Nanotubes and Manganese Oxide

Ty Mai Dinh 1 Fabien Mesnilgrente 2 Véronique Conédéra 2 Nana Amponsah Kyeremateng 1 David Pech 1, *
* Corresponding author
1 LAAS-ISGE - Équipe Intégration de Systèmes de Gestion de l'Énergie
LAAS - Laboratoire d'analyse et d'architecture des systèmes
2 LAAS-TEAM - Service Techniques et Équipements Appliqués à la Microélectronique
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : Asymmetric interdigitated micro-supercapacitors with high resolution, dedicated to energy storage in embedded micro-systems, are fabricated using a simple micro-fabrication process based on the inkjet printing and electrolytic deposition techniques. The process is optimized to realize a carbon nanotubes (cathode)/manganese oxide (anode) hybrid micro-device with a resolution of 100 μm. The cell capacitance reaches a value of 2.4 mF.cm−2. Moreover, the use of the asymmetric configuration allows extending the working voltage of the device from 1 V to 1.8 V in an aqueous solution.
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https://hal.laas.fr/hal-01872846
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Ty Mai Dinh, Fabien Mesnilgrente, Véronique Conédéra, Nana Amponsah Kyeremateng, David Pech. Realization of an Asymmetric Interdigitated Electrochemical Micro-Capacitor Based on Carbon Nanotubes and Manganese Oxide. Journal of The Electrochemical Society, Electrochemical Society, 2015, 162 (10), pp.A2016 - A2020. ⟨10.1149/2.0431510jes⟩. ⟨hal-01872846⟩

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