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

Ty Mai Dinh | Zendy; Fabien Mesnilgrente | Zendy; Véronique Conédéra | Zendy; Nana Amponsah Kyeremateng | Zendy; David Pech | Zendy

Open Access

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

Author(s) -

Ty Mai Dinh,

Fabien Mesnilgrente,

Véronique Conédéra,

Nana Amponsah Kyeremateng,

David Pech

Publication year - 2015

Publication title -

journal of the electrochemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.258

H-Index - 271

eISSN - 1945-7111

pISSN - 0013-4651

DOI - 10.1149/2.0431510jes

Subject(s) - supercapacitor , materials science , carbon nanotube , cathode , capacitance , anode , capacitor , nanotechnology , electrolytic capacitor , fabrication , oxide , electrochemistry , electrolyte , realization (probability) , optoelectronics , voltage , electrode , electrical engineering , chemistry , metallurgy , medicine , alternative medicine , statistics , mathematics , engineering , pathology

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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