Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume 96, Issue 9, Pages 2699-2702Publisher
WILEY-BLACKWELL
DOI: 10.1111/jace.12508
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Funding
- UK's National Measurement Office
- Technology Strategy Board under the project Advanced Ceramics for Energy Storage
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In this work, we demonstrate a very high-energy density and high-temperature stability capacitor based on SrTiO3-substituted BiFeO3 thin films. An energy density of 18.6J/cm3 at 972kV/cm is reported. The temperature coefficient of capacitance (TCC) was below 11% from room temperature up to 200 degrees C. These results are of practical importance, because it puts forward a promising novel and environmentally friendly, lead-free material, for high-temperature applications in power electronics up to 200 degrees C. Applications include capacitors for low carbon vehicles, renewable energy technologies, integrated circuits, and for the high-temperature aerospace sector.
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