Status quo and future prospects for metallized polypropylene energy storage capacitors

The most important polymer film used in commercial capacitors is biaxially oriented polypropylene. Other materials, such as polyester or paper, are also used for selfhealing metallized capacitors, depending on the application. Capacitors manufactured with polypropylene have the big advantage of bein...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2002-10, Vol.30 (5), p.1939-1942
Main Authors: Rabuffi, M., Picci, G.
Format: Article
Language:English
Subjects:
Breakdown
Capacitors
Dielectrics
Electric breakdown
Electric resistance
Energy
Energy storage
Equivalence
Inorganic materials
Manufacturing
Metallization
Metallizing
Metals
Paramagnetic resonance
Polymer films
Polymers
Polypropylenes
Proposals
Stress
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Summary:The most important polymer film used in commercial capacitors is biaxially oriented polypropylene. Other materials, such as polyester or paper, are also used for selfhealing metallized capacitors, depending on the application. Capacitors manufactured with polypropylene have the big advantage of being less expensive than other materials, and have a very low equivalent series resistance (ESR), due to the propylene-repeating group, which results in a regular polymer chain. Electrical breakdown behavior will be analyzed in order to improve the electric field stress. Performance versus energy density will be investigated as well. We will give an overview of new proposals in the field of films, considering their reported better dielectric and mechanical performance.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2002.805318