Carbon Nanotube and Polypyrrole Supercapacitors - Izadi-Najafabadi, Ali
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Electrochemical capacitors also called supercapacitors are electrical energy storage devices filling the performance gap of conventional capacitors and batteries. They can store energy electrostatically at the electrode/electrolyte interface (double layer capacitance) and/or via Faradaic charge storage through reversible successive redox processes (pseudocapacitance). As such they achieve higher energy densities compared to dielectric capacitors while delivering significantly higher power than batteries. The amount of ion accessible surface area of the electrode material and the amount of time…mehr

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Produktbeschreibung
Electrochemical capacitors also called supercapacitors are electrical energy storage devices filling the performance gap of conventional capacitors and batteries. They can store energy electrostatically at the electrode/electrolyte interface (double layer capacitance) and/or via Faradaic charge storage through reversible successive redox processes (pseudocapacitance). As such they achieve higher energy densities compared to dielectric capacitors while delivering significantly higher power than batteries. The amount of ion accessible surface area of the electrode material and the amount of time required for electronic charges and ionic charges to reach the electrode/electrolyte interface are the performance determining factors. Here the performance of carbon nanotubes and polypyrrole as electrode materials along with various organic electrolytes are explored.
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Autorenporträt
Ali Izadi-Najafabadi has received his BASc and MASc from the University of British Columbia (Canada) and PhD from Meijo University (Japan). Currently he is a post doctoral fellow at the Nanotube Research Center of the National Institute of Advanced Industrial Science and Technology (Japan). This manuscript is based on his master''s thesis.