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Optimization of energy storage density in ceramic capacitors

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Date

1996

Authors

Fletcher, Neville H.
Hilton, A D
Ricketts, B W

Journal Title

Journal ISSN

Volume Title

Publisher

Institute of Physics Publishing

Abstract

A theoretical treatment, based on the Devonshire theory of ferroelectrics, is presented to describe the storage of electrostatic energy in ferroelectric and paraelectric materials at very high field strengths. In all cases, optimal energy density is achieved by using compositions with Curie temperatures well below the operating temperature. The theory is applied to barium - strontium titanate ceramics and optimal compositions are deduced for energy storage at given working fields. The theory is supported by experimental data showing energy densities up to 8 J at 100 kV

Description

Keywords

Citation

URI

http://hdl.handle.net/1885/213251

Collections

ANU Research Publications

Source

Journal of Physics D: Applied Physics

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1088/0022-3727/29/1/037

Restricted until

2037-12-31

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Fletcheretal1996a.pdf (115.6 KB)

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