Energy storage and release properties of Sr-doped (Pb,La)(Zr,Sn,Ti)O 3 antiferroelectric ceramics
Source abstract
Abstract
Abstract Pb 0.94− x La 0.04 Sr x [(Zr 0.6 Sn 0.4 ) 0.84 Ti 0.16 ]O 3 ( x =0,0.02,0.04,0.06) antiferroelectric ceramics were fabricated via conventional solid-state reaction. The increase of Sr content enhanced the stability of antiferroelectric phase, which resulted in the rise of phase transition fields and energy density. When x =0.06, the releasable energy density was 1.52 J/cm 3 and the efficiency was 93.3% under 129 kV/cm. The pulsed discharge current was also measured to evaluate the energy release properties. Under 129 kV/cm, the obtained current density could be as high as 165.5 A/cm 2 . The pulsed discharge energy density was 1.21 J/cm 3 and 90% of that could be released in less than 200 ns. The high energy density, high efficiency and fast energy release time indicate that the obtained AFE ceramics are very promising for pulsed power capacitors.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Acoustic Wave Resonator Technologies · Dielectric materials and actuators
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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