scholarly journals Investigation of the Effects of Reduced Sintering Temperature on Dielectric, Ferroelectric and Energy Storage Properties of Microwave-Sintered PLZT 8/60/40 Ceramics

Energies ◽  
2020 ◽  
Vol 13 (23) ◽  
pp. 6457
Author(s):  
Ajeet Kumar ◽  
Sivanagi Reddy Emani ◽  
K. C. James Raju ◽  
Jungho Ryu ◽  
A. R. James
Keyword(s):  
Energy Storage ◽  
Electric Field ◽  
Domain Switching ◽  
Sintering Temperature ◽  
Perovskite Phase ◽  
Microwave Sintering ◽  
High Energy ◽  
Switching Current ◽  
Energy Storage Properties ◽  
Storage Properties

In this study, (Pb0.92La0.08) (Zr0.60Ti0.40) O3 (PLZT 8/60/40) ceramics were synthesized using a high-energy ball-milling technique followed by microwave sintering at different temperatures from 900 °C to 1200 °C. The optimal microwave sintering temperature for the PLZT 8/60/40 ceramics was found to be 1150 °C, which is relatively low compared with conventional sintering temperature. The sintered ceramics show the pure perovskite phase, uniform grain microstructure (1.2 µm) and high density (~99.5%). The polarization vs. electric field (P-E) hysteresis curves were used to investigate the ferroelectric and energy storage properties. The switching characteristic in P-E loops and occurrence of domain switching current in current vs. electric field (I-E) loops confirms their ferroelectric nature. The PLZT ceramics, which were sintered at 1150 °C, show the highest remnant polarization (Pr) of ~32.18 μC/cm2 and domain switching current (Imax) of ~0.91 mA with a low coercive field (Ec) of ~10.17 kV/cm. The bipolar and unipolar strain vs. electric field (S-E) hysteresis loops were also measured and the highest unipolar strain was found to be ~0.26% for the PLZT ceramics sintered at 1150 °C. The unipolar S-E curves were used to derive the piezoelectric coefficient (d33~495 pm/V) and a strain hysteresis loss (~5.8%).

scholarly journals Effect of sintering temperature on the dielectric, ferroelectric and energy storage properties of SnO2-doped Bi0.5(Na0.8K0.2)0.5TiO3 lead-free ceramics

2020 ◽  
Vol 10 (04) ◽  
pp. 2050011
Author(s):  
Nguyen Truong-Tho ◽  
Le Dai Vuong
Keyword(s):  
Dielectric Constant ◽  
Energy Storage ◽  
Sintering Temperature ◽  
High Energy ◽  
Lead Free ◽  
Energy Storage Properties ◽  
Energy Storage Efficiency ◽  
High Dielectric ◽  
Storage Properties ◽  
High Energy Storage

Sintered lead-free [Formula: see text]([Formula: see text][Formula: see text]([Formula: see text][Formula: see text]O3 ceramics (BNKTS) have been fabricated via a solid-state reaction. The effect of sintering temperature on the structural, morphological, dielectric, ferroelectric and energy storage properties of BNKTS ceramics was investigated, and it was found that the electrical properties of the synthesized ceramics increased with the increase in the sintering temperature, and the highest values were achieved at [Formula: see text]C. The ceramics sintered at the optimized temperature of [Formula: see text]C exhibited the best physical, dielectric, ferroelectric and energy storage properties, namely, high density (the relative density, [Formula: see text][Formula: see text]g.cm[Formula: see text], approximate to 96.7% of the theoretical value), high densification factor ([Formula: see text]), high dielectric constant ([Formula: see text]), low dielectric loss (tan[Formula: see text]), highest dielectric constant ([Formula: see text]), high remanent polarization ([Formula: see text]C.cm[Formula: see text], high coercive field ([Formula: see text][Formula: see text]kV/cm), high energy storage density (0.12[Formula: see text]J/cm[Formula: see text], and high energy storage efficiency (41.7% at 46.3[Formula: see text]kV/cm).

Enhancement of Energy Storage Properties in PLZST Cramics with Different Zr/Sn Ratios

2014 ◽  
Vol 602-603 ◽  
pp. 916-920
Author(s):  
Qian Zhang ◽  
Yong Zhang ◽  
Xiao Lin Liu ◽  
Xiao Zhen Song ◽  
Jia Zhu
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
Perovskite Phase ◽  
Hysteresis Loops ◽  
Lead Zirconate ◽  
High Energy ◽  
Average Grain Size ◽  
Energy Storage Properties ◽  
Higher Temperature ◽  
Storage Properties

The effect of Zr/Sn ratio on the dielectric and energy storage properties of lanthanum modified lead zirconate stannate titanate (PLZST) ceramics with compositions located near the boundary between antiferroelectric and ferroelectric phases was studied. Microstructural observation indicated that all the samples had a uniform morphology with pure perovskite phase and the average grain size reduced obviously with increasing Zr/Sn ratio. As the Zr/Sn ratio increased, the dielectric constant increased and the transition temperature Tm shifted to higher temperature. All the PLZST ceramics exhibited double hysteresis loops. The maximum polarization increased, while the switching field decreased when the Zr/Sn ratio increased. The variations of Zr/Sn ratio had little impact on remanent polarization. As a result, both charged energy density and discharged energy density increased with increasing Zr/Sn ratio. A high energy storage density of 1.75 J/cm3 was achieved in the PLZST ceramics with the Zr/Sn ratio of 82.5/7.5 at 9 kV/mm.

Relaxor ferroelectric 0.9BaTiO3–0.1Bi(Zn0.5Zr0.5)O3ceramic capacitors with high energy density and temperature stable energy storage properties

2017 ◽  
Vol 5 (37) ◽  
pp. 9552-9558 ◽  
Author(s):  
Qibin Yuan ◽  
Fangzhou Yao ◽  
Yifei Wang ◽  
Rong Ma ◽  
Hong Wang
Keyword(s):  
Energy Storage ◽  
Ferroelectric Ceramic ◽  
High Energy ◽  
Relaxor Ferroelectric ◽  
High Energy Density ◽  
Solid State Method ◽  
Conventional Solid State Method ◽  
Energy Storage Properties ◽  
Storage Properties ◽  
High Energy Storage

A relaxor ferroelectric ceramic for high energy storage applications based on 0.9BaTiO3–0.1Bi(Zn0.5Zr0.5)O3(0.9BT–0.1BZZ) was successfully fabricatedviaa conventional solid-state method.

Sintering Temperature Dependence of Energy-Storage Properties in (Ba,Sr)TiO3 Glass-Ceramics

2011 ◽  
Vol 94 (6) ◽  
pp. 1805-1810 ◽  
Author(s):  
Yong Zhang ◽  
Jiajia Huang ◽  
Tao Ma ◽  
Xiangrong Wang ◽  
Changsheng Deng ◽  
...  
Keyword(s):  
Energy Storage ◽  
Temperature Dependence ◽  
Sintering Temperature ◽  
Glass Ceramics ◽  
Energy Storage Properties ◽  
Storage Properties

Multifunctional antiferroelectric MLCC with high-energy-storage properties and large field-induced strain

2017 ◽  
Vol 101 (6) ◽  
pp. 2313-2320 ◽  
Author(s):  
Liming Chen ◽  
Ningning Sun ◽  
Yong Li ◽  
Qiwei zhang ◽  
Liwen Zhang ◽  
...  
Keyword(s):  
Energy Storage ◽  
High Energy ◽  
Large Field ◽  
Energy Storage Properties ◽  
Storage Properties ◽  
High Energy Storage
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