High energy density double-layer capacitors for energy storage applications

The feasibility of applying the double-layer capacitor to uninterruptible power systems and electric vehicles is addressed. The double-layer capacitor improves energy storage density by two orders of magnitude over the traditional electrolytic capacitors. Compared to batteries, the energy density of...

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Bibliographic Details
Published in:IEEE aerospace and electronic systems magazine 1992-04, Vol.7 (4), p.14-19
Main Authors: Lai, J.-S., Levy, S., Rose, M.F.
Format: Magazinearticle
Language:English
Subjects:
Acceleration
Batteries
Capacitors
Chemical analysis
Chemical technology
Clocks
Energy storage
Inductors
Power supplies
Supercapacitors
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Summary:The feasibility of applying the double-layer capacitor to uninterruptible power systems and electric vehicles is addressed. The double-layer capacitor improves energy storage density by two orders of magnitude over the traditional electrolytic capacitors. Compared to batteries, the energy density of the double-layer capacitor is lower, but its charge/discharge rate is significantly higher. The application of double-layer capacitors can be tailored to auxiliary energy and burst mode storages which require fast charge/discharging and high energy density. A description is given of the double-layer capacitor technologies including its materials, structure, and characteristics; potential application areas of double-layer capacitors; and analytical and experimental results of double-layer capacitor applications.< >
ISSN:0885-8985
1557-959X
DOI:10.1109/62.143193