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Sodium bismuth titanate-based relaxor ferroelectric ceramic with excellent energy storage performance under high electric field and preparation method of sodium bismuth titanate-based relaxor ferroelectric ceramic
The invention provides sodium bismuth titanate-based relaxor ferroelectric ceramic with excellent energy storage performance in a high electric field and a preparation method of the sodium bismuth titanate-based relaxor ferroelectric ceramic, and belongs to the field of dielectric energy storage materials. The chemical composition of the material is (1-x) Bi (0.375) Na (0.375) Ba0. 25TiO3-xNaNbO3, wherein x is greater than or equal to 0.09 and less than or equal to 0.15. The sodium bismuth titanate-based energy storage ceramic material provided by the invention can show excellent energy storage performance that Wrecc is equal to 15.2 J/cm < 3 > and eta is equal to 91% in a high electric field of 73kV/mm, has good frequency stability, temperature stability and anti-fatigue property, and also shows ultrafast charge and discharge rate in an over-damping charge and discharge test. The method is expected to be practically developed in the fields of electric automobiles, microelectronics and the like.
本发明提供一种在高电场下具有优异储能性能的钛酸铋钠基弛豫铁电陶瓷及其制备方法，属于电介质储能材料领域；其化学组成为(1‑x)Bi0.375Na0.375Ba0.25TiO3‑xNaNbO3，0.09≤x≤0.15。本发明提供的钛酸铋钠基储能陶瓷材料能在73kV/mm的高电场下表现出Wrec＝15.2J/cm3，η＝91％的优异储能性能，兼具良好的频率稳定性、温度稳定性和抗疲劳特性，在过阻尼充放电测试中其同样表现出超快的充放电速率。本发明有望在电动汽车、微电子等领域得到实用化的发展。
Sodium bismuth titanate-based relaxor ferroelectric ceramic with excellent energy storage performance under high electric field and preparation method of sodium bismuth titanate-based relaxor ferroelectric ceramic
The invention provides sodium bismuth titanate-based relaxor ferroelectric ceramic with excellent energy storage performance in a high electric field and a preparation method of the sodium bismuth titanate-based relaxor ferroelectric ceramic, and belongs to the field of dielectric energy storage materials. The chemical composition of the material is (1-x) Bi (0.375) Na (0.375) Ba0. 25TiO3-xNaNbO3, wherein x is greater than or equal to 0.09 and less than or equal to 0.15. The sodium bismuth titanate-based energy storage ceramic material provided by the invention can show excellent energy storage performance that Wrecc is equal to 15.2 J/cm < 3 > and eta is equal to 91% in a high electric field of 73kV/mm, has good frequency stability, temperature stability and anti-fatigue property, and also shows ultrafast charge and discharge rate in an over-damping charge and discharge test. The method is expected to be practically developed in the fields of electric automobiles, microelectronics and the like.
本发明提供一种在高电场下具有优异储能性能的钛酸铋钠基弛豫铁电陶瓷及其制备方法，属于电介质储能材料领域；其化学组成为(1‑x)Bi0.375Na0.375Ba0.25TiO3‑xNaNbO3，0.09≤x≤0.15。本发明提供的钛酸铋钠基储能陶瓷材料能在73kV/mm的高电场下表现出Wrec＝15.2J/cm3，η＝91％的优异储能性能，兼具良好的频率稳定性、温度稳定性和抗疲劳特性，在过阻尼充放电测试中其同样表现出超快的充放电速率。本发明有望在电动汽车、微电子等领域得到实用化的发展。
Sodium bismuth titanate-based relaxor ferroelectric ceramic with excellent energy storage performance under high electric field and preparation method of sodium bismuth titanate-based relaxor ferroelectric ceramic
一种在高电场下具有优异储能性能的钛酸铋钠基弛豫铁电陶瓷及其制备方法
LIU HUI (Autor:in) / DI SIYUN (Autor:in) / YANG MINGYU (Autor:in) / YAN SHENGJIE (Autor:in) / SUN ZHENG (Autor:in) / LUO HUAJIE (Autor:in) / CHEN JUN (Autor:in)
12.12.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Relaxor-ferroelectric transitions: Sodium bismuth titanate derivatives
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