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Strontium titanate-based relaxor ferroelectric ceramic material with high energy storage density and efficiency and preparation of strontium titanate-based relaxor ferroelectric ceramic material
The invention belongs to the field of dielectric energy storage ceramic materials, and particularly relates to a strontium titanate-based relaxor ferroelectric ceramic material with high energy storage density and efficiency and preparation of the strontium titanate-based relaxor ferroelectric ceramic material, the chemical composition of the strontium titanate-based relaxor ferroelectric ceramic material is (1-x) (0.5 SrTiO3-0.5 Bi0. 5Na0. 5TiO3)-xBaHfO3, and x is equal to 0.01-0.3. According to the invention, the residual polarization intensity can be reduced and the breakdown field intensity can be improved under the condition of keeping the high polarization intensity, so that the energy storage density and the energy storage efficiency can be improved, and the requirements of practical application can be better met.
本发明属于电介质储能陶瓷材料领域，具体涉及一种兼具高储能密度和效率的钛酸锶基弛豫铁电陶瓷材料及其制备，其化学组成为(1‑x)(0.5SrTiO3‑0.5Bi0.5Na0.5TiO3)‑xBaHfO3，x=0.01‑0.3。本发明能在保留其高极化强度的情况下降低剩余极化强度以及提升击穿场强，进而提高其储能密度及储能效率，从而使其能更好地满足实际应用的需求。
Strontium titanate-based relaxor ferroelectric ceramic material with high energy storage density and efficiency and preparation of strontium titanate-based relaxor ferroelectric ceramic material
The invention belongs to the field of dielectric energy storage ceramic materials, and particularly relates to a strontium titanate-based relaxor ferroelectric ceramic material with high energy storage density and efficiency and preparation of the strontium titanate-based relaxor ferroelectric ceramic material, the chemical composition of the strontium titanate-based relaxor ferroelectric ceramic material is (1-x) (0.5 SrTiO3-0.5 Bi0. 5Na0. 5TiO3)-xBaHfO3, and x is equal to 0.01-0.3. According to the invention, the residual polarization intensity can be reduced and the breakdown field intensity can be improved under the condition of keeping the high polarization intensity, so that the energy storage density and the energy storage efficiency can be improved, and the requirements of practical application can be better met.
本发明属于电介质储能陶瓷材料领域，具体涉及一种兼具高储能密度和效率的钛酸锶基弛豫铁电陶瓷材料及其制备，其化学组成为(1‑x)(0.5SrTiO3‑0.5Bi0.5Na0.5TiO3)‑xBaHfO3，x=0.01‑0.3。本发明能在保留其高极化强度的情况下降低剩余极化强度以及提升击穿场强，进而提高其储能密度及储能效率，从而使其能更好地满足实际应用的需求。
Strontium titanate-based relaxor ferroelectric ceramic material with high energy storage density and efficiency and preparation of strontium titanate-based relaxor ferroelectric ceramic material
一种兼具高储能密度和效率的钛酸锶基弛豫铁电陶瓷材料及其制备
LUO HUAJIE (Autor:in) / TANG MINGXUE (Autor:in) / NONG YANPING (Autor:in) / LIU HUI (Autor:in) / CHEN JUN (Autor:in)
15.11.2024
Patent
Elektronische Ressource
Chinesisch
FERROELECTRIC CERAMIC MATERIAL BASED ON BARIUM STRONTIUM TITANATE
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2024