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Enhanced Relaxor Ferroelectrics and Energy Storage of BaTiO3-based Ceramics Modified by Bi(Al0.5Sc0.5)O3
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Xueyan XI, Huiling DU, Cuiying MA, Xinrui JING, Haiting WANG
Journal of the Chinese Ceramic Society | 2020, 48(6) : 855 - 862
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Journal of the Chinese Ceramic Society | 2020, 48(6): 855-862
• Research Paper •
Enhanced Relaxor Ferroelectrics and Energy Storage of BaTiO3-based Ceramics Modified by Bi(Al0.5Sc0.5)O3
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Xueyan XI, Huiling DU, Cuiying MA, Xinrui JING, Haiting WANG
Affiliations
  • School of Materials and Engineering, Xi'an university of Science and Technology, Xi'an, 71054 China

    • XI Xueyan (1995-), female, Master candidate. E-mail:

About Author:

XI Xueyan (1995-), female, Master candidate. E-mail:

Published: 2020-06-20 doi: 10.14062/j.issn.0454-5648.2020.06.20190653
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Lead-free single-phase perovskite BaTiO3-Bi(Al0.5Sc0.5)O3 ceramics as novel high performance BaTiO3-based energy storage ceramics were synthesized by a solid-state reaction method. Effect of BAS content on the structure, dielectric properties, energy storage of (1-x) BT-xBAS ceramics was investigated. The (1-x)BT-xBAS solid solution transforms from tetragonal (x≤0.05) to cubic (x≥0.1), but is still based on the tetragonal. The Tm moves toward a low temperature range, and the dielectric peak broadens with the BAS content increases, exhibiting a dispersive dielectric behavior with respect to frequency. The long-range ferroelectric order of ceramics is destroyed by BAS. Also, the phase transition of BT-xBAS ceramics is from a typical ferroelectric phase to a relaxor phase. The phenomena both indicate that the BT-BAS ceramics could have the excellent characteristics of relaxor ferroelectrics. The 0.85BT-0.15BAS ceramics show a good temperature stability, and the diffusion coefficient γ is 1.97. There are an energy storage density of 0.684 J·cm-3 and an energy efficiency of 95% in an electric field of about 105 kV/cm.

lead-free  /  barium titanate  /  relaxor ferroelectrics  /  energy storage
郗雪艳, 杜慧玲, 马翠英, 景欣瑞, 王海婷. Bi（Al0.5Sc0.5）O3增强BaTiO3陶瓷弛豫铁电及储能性能. 硅酸盐学报, 2020 , 48 (6) : 855 -862 . DOI: 10.14062/j.issn.0454-5648.2020.06.20190653
Xueyan XI, Huiling DU, Cuiying MA, Xinrui JING, Haiting WANG. Enhanced Relaxor Ferroelectrics and Energy Storage of BaTiO3-based Ceramics Modified by Bi(Al0.5Sc0.5)O3[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (6) : 855 -862 . DOI: 10.14062/j.issn.0454-5648.2020.06.20190653
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Year 2020 volume 48 Issue 6
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Article Info
doi: 10.14062/j.issn.0454-5648.2020.06.20190653
  • Receive Date：2019-09-25
  • Online Date：2026-10-29
  • Published：2020-06-20
Article Data
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History
  • Received：2019-09-25
  • Revised：2019-10-15
Funding
Affiliations
    School of Materials and Engineering, Xi'an university of Science and Technology, Xi'an, 71054 China

Corresponding:

DU Huiling (1972-), female, Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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