Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.

Highly porous diamond foam as a thin-film micro-supercapacitor material

 
: Gao, F.; Wolfer, M.; Nebel, C.E.

:

Carbon 80 (2014), S.833-840
ISSN: 0008-6223
Englisch
Zeitschriftenaufsatz
Fraunhofer IAF ()

Abstract
In this paper diamond foam (DF) is introduced as a new material for thin-film supercapacitor application. Geometrical, structural, and electrical and electrochemical properties with respect to capacitance, electrochemical window and power are discussed in details. Diamond foam shows a 2.5 V potential window in aqueous solution. Discharge rate as high as 1000 V s(-1) was measured which is three magnitudes higher than conventional supercapacitors. The power performance of diamond foam (807 W cm(-3)) approaches that of electrolytic capacitors, but the energy storage is more than one magnitude higher. Therefore, this new material is very promising for high-power micro-supercapacitor applications.

: http://publica.fraunhofer.de/dokumente/N-309242.html