Transparency and energy-storage characteristics of potassium tantalate niobate relaxorferroelectric ceramics

被引:1
作者
Song, Jianwei [1 ]
Jiang, Minhong [1 ]
Ouyang, Yujiao [1 ]
Tang, Liupan [2 ]
Hu, Changzheng [2 ]
Ma, Li [3 ]
Luo, Nengneng [3 ]
Rao, Guanghui [1 ]
机构
[1] Guilin Univ Elect Technol, Sch Mat Sci & Engn, Guangxi Key Lab Informat Mat, Guilin 541004, Guangxi, Peoples R China
[2] Guilin Univ Technol, Coll Mat & Engn, Guilin 541006, Guangxi, Peoples R China
[3] Guangxi Univ, Sch Resources Environm & Mat, Nanning 530004, Guangxi, Peoples R China
基金
中国国家自然科学基金;
关键词
Potassium sodium tantalate niobate; Relaxation ferroelectric ceramics; Transparent ceramics; Energy storage; RELAXOR FERROELECTRIC CERAMICS; DENSITY; EFFICIENCY; PERFORMANCE; RESISTANCE; GROWTH;
D O I
10.1016/j.ceramint.2024.11.362
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Transparent relaxor-ferroelectric ceramics with high energy density and good transmittance are indispensable for multifunctional electronic components. These ceramics have been widely used in transparent energy-storage electronics, advanced pulsed power capacitors, and optoelectronic multifunctional devices, etc. In this study, a novel Bi5+ and Li + co-doped transparent energy-storage ceramic with a nominal composition of (1-x)KTNxLiBiO3 was prepared using traditional solid-state sintering method. The phase structure, microstructure, energystorage performance, and transmittance of the ceramics were systematically investigated. The results indicate that a small amount of Bi5+ doped into the KTN matrix does not alter the perovskite structure of KTN. This work reveals that KTN ceramic exhibits a new feature, namely energy storage capability, with an energy-storage density and efficiency of W = 2.10 J/cm3 and 83.56 %, respectively. Moreover, this ceramic also exhibits a high discharge energy density of Wd = 1.52 J/cm3 and rapid charge-discharge rate of t0.9 = 5.6 mu s. The ferroelectric and energy storage properties of these KTN ceramics also display good temperature stability. Meanwhile, the KTN ceramic also obtains good transparency, with the maximum transmittance of 55.78 % under 1100 nm light irradiation. This work provides a pathway for developing multifunctional materials and devices that combine transparency, ferroelectricity, and energy storage performance.
引用
收藏
页码:3864 / 3873
页数:10
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