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AKE: Arbeitskreis Energie
AKE 8: Energy Storage I, Mobility, Materials
AKE 8.4: Vortrag
Dienstag, 17. März 2015, 11:45–12:00, A 151
Study of polymerization of Acetonitrile as a probable ageing mechanism in supercapacitors — •Nasim Tavakoli1,2, Alexander. M. Bittner1,3, and Monika Goikoetxea1 — 1CICnanoGUNE, Donostia-San Sebastiań, Spain — 2University of Basque Country (UPV/EHU), Donostia-San Sebastiań, Spain — 3Ikerbasque, Basque Foundation for Science, Bilbao, Spain
Supercapacitors are electrochemical double layer capacitors which have much higher specific energy than conventional electrolytic capacitors and also significantly larger specific power than rechargeable batteries. Although supercapacitors have a very high number of cycle life, ageing mechanisms will eventually decrease their capacity and consequently increase the equivalent series resistance of the system. One of the various probable ageing mechanisms is polymerization of acetonitrile. Acetonitrile is used as the solvent in the structure of the supercapacitors. In this work we intend to investigate the production of polyacetonitrile in a controlled replicated environment and it's role in the ageing of supercapacitors.