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These properties are highly desirable for high power and long cycle life electrochemical capacitors.
Proceedings ArticleDOI
W.G. Dunbar, D.L. Schweickart, J.C. Horwath 
26 Oct 1999
It is important that such capacitors have high reliability, long life and stable electrical parameters when subjected to moderate temperature changes.
By using electrolytic capacitors-less topology, the lifetime can be greatly increased.
This preliminary remaining life prediction algorithm serves as a demonstration of how prognostics methodologies could be used for electrolytic capacitors.
Given their ultra-fast rate capability, excellent shelf-life and cycle life, and excellent temperature stability, these solid-state EDLCs are promising smaller and lighter alternatives to the bulky electrolytic capacitors now used for ac line-filtering.
The lifetime and reliability of PV-inverters can be increased by replacing electrolytic capacitors by film-capacitors.
The model enables failure rate, thus reliability, to be estimated for power capacitors.
Thus, it is promising to replace aluminum electrolytic capacitors for AC line filtering.

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