A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Novel lead-free ferroelectric composite energy storage ceramic material
The invention provides a novel lead-free NaNbO3-based relaxor ferroelectric ceramic material for energy storage and a preparation method of the novel lead-free NaNbO3-based relaxor ferroelectric ceramic material, and solves the problems of low effective energy storage density and low energy storage efficiency of a lead-free energy storage ceramic material in the prior art. The chemical general formula of the novel lead-free NaNbO3-based relaxor ferroelectric ceramic material is (1-x) NaNbO3-x (Sr0. 6Na0. 2Bi0. 2) (Sn0. 7Ti0. 3) O3, wherein x is more than or equal to 0.02 and less than or equal to 0.1. Under the condition of 25 DEG C, the effective energy storage density change range of the prepared energy storage ceramic material is that Wrecc is greater than or equal to 1.92 J/cm < 3 > and less than or equal to 2.91 J/cm < 3 >, and the energy storage efficiency change range is that eta is greater than or equal to 58.57% and less than or equal to 74.93%.
本发明提供了一种用于储能的新型无铅NaNbO3基弛豫铁电陶瓷材料及其制备方法，克服了现阶段技术中无铅储能陶瓷材料有效储能密度和储能效率偏低的问题。该新型无铅NaNbO3基弛豫铁电陶瓷材料的化学通式为：(1‑x)NaNbO3‑x(Sr0.6Na0.2Bi0.2)(Sn0.7Ti0.3)O3，式中0.02≤x≤0.1。本发明制备的储能陶瓷材料在25℃条件下，有效储能密度变化范围为：1.92J/cm3≤Wrec≤2.91J/cm3，储能效率变化范围为：58.57％≤η≤74.93％。
Novel lead-free ferroelectric composite energy storage ceramic material
The invention provides a novel lead-free NaNbO3-based relaxor ferroelectric ceramic material for energy storage and a preparation method of the novel lead-free NaNbO3-based relaxor ferroelectric ceramic material, and solves the problems of low effective energy storage density and low energy storage efficiency of a lead-free energy storage ceramic material in the prior art. The chemical general formula of the novel lead-free NaNbO3-based relaxor ferroelectric ceramic material is (1-x) NaNbO3-x (Sr0. 6Na0. 2Bi0. 2) (Sn0. 7Ti0. 3) O3, wherein x is more than or equal to 0.02 and less than or equal to 0.1. Under the condition of 25 DEG C, the effective energy storage density change range of the prepared energy storage ceramic material is that Wrecc is greater than or equal to 1.92 J/cm < 3 > and less than or equal to 2.91 J/cm < 3 >, and the energy storage efficiency change range is that eta is greater than or equal to 58.57% and less than or equal to 74.93%.
本发明提供了一种用于储能的新型无铅NaNbO3基弛豫铁电陶瓷材料及其制备方法，克服了现阶段技术中无铅储能陶瓷材料有效储能密度和储能效率偏低的问题。该新型无铅NaNbO3基弛豫铁电陶瓷材料的化学通式为：(1‑x)NaNbO3‑x(Sr0.6Na0.2Bi0.2)(Sn0.7Ti0.3)O3，式中0.02≤x≤0.1。本发明制备的储能陶瓷材料在25℃条件下，有效储能密度变化范围为：1.92J/cm3≤Wrec≤2.91J/cm3，储能效率变化范围为：58.57％≤η≤74.93％。
Novel lead-free ferroelectric composite energy storage ceramic material
一种新型无铅铁电复合储能陶瓷材料
ZHANG LING (author) / XIAO JIAMING (author) / YUN YAOYAO (author)
2023-08-29
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2024
Lead-free ferroelectric ceramic material and preparation method thereof
| European Patent Office | 2023
Sodium niobate-based relaxor ferroelectric composite energy storage ceramic material
| European Patent Office | 2023