Title :
Economic analysis of EDLC/battery hybrid energy storage
Author :
Tang, Xisheng ; Qi, Zhiping
Author_Institution :
Inst. of Electr. Eng., Chinese Acad. of Sci., Beijing
Abstract :
Electric double-layer capacitor (EDLC) is a perfect complement of battery in technical character. The EDLC/battery hybrid has the virtues of high energy density, high power density and long cycle life. The model of the hybrid was established and the performance was analyzed in this paper. In pulsed load applications, the amount of battery and system cost can be reduced largely due to the high power density of EDLC. In renewable power systems, the life of battery is prolonged and the operating cost of the whole system is reduced with most of the small charging-discharging cycles carried out by EDLC. The EDLC/battery hybrid has a nice economic effect and is valuable especially in pulsed load applications and renewable systems.
Keywords :
cost reduction; secondary cells; supercapacitors; EDLC/battery hybrid energy storage; economic analysis; electric double-layer capacitor; energy density; power density; renewable power systems; system cost reduction; Batteries; Costs; Energy storage; Hybrid power systems; Performance analysis; Power generation economics; Power system analysis computing; Power system modeling; Pulse power systems; Supercapacitors;
Conference_Titel :
Electrical Machines and Systems, 2008. ICEMS 2008. International Conference on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-3826-6
Electronic_ISBN :
978-7-5062-9221-4
