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High-entropy perovskite relaxor ferroelectric ceramic with excellent dielectric energy storage performance and preparation method of high-entropy perovskite relaxor ferroelectric ceramic
The invention belongs to the technical field of dielectric energy storage ferroelectric ceramics, and provides a high-entropy perovskite relaxor ferroelectric ceramic with excellent dielectric energy storage performance and a preparation method thereof, the chemical composition of the high-entropy perovskite relaxor ferroelectric ceramic is (Bi2/6K1/6Na1/6Ba1/6Sr1/6) (Ti0. 8Zr0. 2) O3, and the configuration entropy is 2.06 R. The invention also provides a preparation method of the high-entropy perovskite relaxor ferroelectric ceramic. The dielectric ceramic has high energy storage density and relatively high energy storage efficiency, the energy storage density can reach 19.1 J/cm < 3 > under an electric field of 77kV/mm, the energy storage efficiency reaches 84.7%, and the dielectric ceramic has good application potential in energy storage aspects of mobile communication, medical treatment and public health, national defense and military and the like. The preparation method is simple, low in cost, suitable for large-scale production and beneficial to promoting related application.
本发明属于电介质储能铁电陶瓷技术领域，本发明提供了一种具有优异电介质储能性能的高熵钙钛矿弛豫铁电陶瓷及其制备方法，其化学组成为(Bi2/6K1/6Na1/6Ba1/6Sr1/6)(Ti0.8Zr0.2)O3，构型熵为2.06R。该介电陶瓷兼具高储能密度和比较高的储能效率，且在77kV/mm的电场下，储能密度能够达到19.1J/cm3，储能效率达到84.7％，在移动通信、医疗卫生、国防军事等的能源存储方面具有很好的应用潜力。本发明制备方法简单、成本低廉、适合大规模生产，有利于促进其相关应用。
High-entropy perovskite relaxor ferroelectric ceramic with excellent dielectric energy storage performance and preparation method of high-entropy perovskite relaxor ferroelectric ceramic
The invention belongs to the technical field of dielectric energy storage ferroelectric ceramics, and provides a high-entropy perovskite relaxor ferroelectric ceramic with excellent dielectric energy storage performance and a preparation method thereof, the chemical composition of the high-entropy perovskite relaxor ferroelectric ceramic is (Bi2/6K1/6Na1/6Ba1/6Sr1/6) (Ti0. 8Zr0. 2) O3, and the configuration entropy is 2.06 R. The invention also provides a preparation method of the high-entropy perovskite relaxor ferroelectric ceramic. The dielectric ceramic has high energy storage density and relatively high energy storage efficiency, the energy storage density can reach 19.1 J/cm < 3 > under an electric field of 77kV/mm, the energy storage efficiency reaches 84.7%, and the dielectric ceramic has good application potential in energy storage aspects of mobile communication, medical treatment and public health, national defense and military and the like. The preparation method is simple, low in cost, suitable for large-scale production and beneficial to promoting related application.
本发明属于电介质储能铁电陶瓷技术领域，本发明提供了一种具有优异电介质储能性能的高熵钙钛矿弛豫铁电陶瓷及其制备方法，其化学组成为(Bi2/6K1/6Na1/6Ba1/6Sr1/6)(Ti0.8Zr0.2)O3，构型熵为2.06R。该介电陶瓷兼具高储能密度和比较高的储能效率，且在77kV/mm的电场下，储能密度能够达到19.1J/cm3，储能效率达到84.7％，在移动通信、医疗卫生、国防军事等的能源存储方面具有很好的应用潜力。本发明制备方法简单、成本低廉、适合大规模生产，有利于促进其相关应用。
High-entropy perovskite relaxor ferroelectric ceramic with excellent dielectric energy storage performance and preparation method of high-entropy perovskite relaxor ferroelectric ceramic
一种具有优异电介质储能性能的高熵钙钛矿弛豫铁电陶瓷及其制备方法
LIU HUI (Autor:in) / ZHU BANGHUA (Autor:in) / SUN ZHENG (Autor:in) / YAO YONGHAO (Autor:in) / CHEN JUN (Autor:in)
06.09.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024