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Barium strontium titanate-based ceramic material as well as preparation method and application thereof
The invention provides a barium strontium titanate-based ceramic material as well as a preparation method and application thereof, and belongs to the technical field of energy storage ceramic materials. The chemical composition of the barium strontium titanate-based ceramic material provided by the invention is (1-x) Ba < 0.8 > Sr < 0.2 > TiO < 3-x > Bi (Mg < 2 >/3Nb < 1/3 >) O < 3 >, and x is greater than or equal to 0.08 and less than or equal to 0.16. The barium strontium titanate-based ceramic material provided by the invention has high energy storage density and energy storage efficiency.Results show that the barium strontium titanate-based ceramic material provided by the invention has high dielectric relaxation and breakdown resistance, and can obtain a slender hysteresis loop; under an external electric field of 250 kV/cm, the effective energy storage density of the barium strontium titanate-based ceramic material is 2.028 J/cm < 3 >, and the energy storage efficiency reaches96.8%.
本发明提供了一种钛酸锶钡基陶瓷材料及其制备方法和应用，属于储能陶瓷材料技术领域。本发明提供的钛酸锶钡基陶瓷材料，化学组成为(1‑x)BaSrTiO‑xBi(MgNb)O，其中，0.08≤x≤0.16。本发明提供的钛酸锶钡基陶瓷材料具有高储能密度和储能效率。实施例的结果显示，本发明提供的钛酸锶钡基陶瓷材料具有高的介电弛豫性和抗击穿电场，可以获得细长的电滞回线；在250kV/cm的外加电场下，本发明中钛酸锶钡基陶瓷材料的有效储能密度为2.028J/cm，同时储能效率达到96.8％。
Barium strontium titanate-based ceramic material as well as preparation method and application thereof
The invention provides a barium strontium titanate-based ceramic material as well as a preparation method and application thereof, and belongs to the technical field of energy storage ceramic materials. The chemical composition of the barium strontium titanate-based ceramic material provided by the invention is (1-x) Ba < 0.8 > Sr < 0.2 > TiO < 3-x > Bi (Mg < 2 >/3Nb < 1/3 >) O < 3 >, and x is greater than or equal to 0.08 and less than or equal to 0.16. The barium strontium titanate-based ceramic material provided by the invention has high energy storage density and energy storage efficiency.Results show that the barium strontium titanate-based ceramic material provided by the invention has high dielectric relaxation and breakdown resistance, and can obtain a slender hysteresis loop; under an external electric field of 250 kV/cm, the effective energy storage density of the barium strontium titanate-based ceramic material is 2.028 J/cm < 3 >, and the energy storage efficiency reaches96.8%.
本发明提供了一种钛酸锶钡基陶瓷材料及其制备方法和应用，属于储能陶瓷材料技术领域。本发明提供的钛酸锶钡基陶瓷材料，化学组成为(1‑x)BaSrTiO‑xBi(MgNb)O，其中，0.08≤x≤0.16。本发明提供的钛酸锶钡基陶瓷材料具有高储能密度和储能效率。实施例的结果显示，本发明提供的钛酸锶钡基陶瓷材料具有高的介电弛豫性和抗击穿电场，可以获得细长的电滞回线；在250kV/cm的外加电场下，本发明中钛酸锶钡基陶瓷材料的有效储能密度为2.028J/cm，同时储能效率达到96.8％。
Barium strontium titanate-based ceramic material as well as preparation method and application thereof
一种钛酸锶钡基陶瓷材料及其制备方法和应用
PANG LIXIA (author) / ZHOU CHEN (author) / ZHOU DI (author) / LIU WEIGUO (author) / ZHANG LEI (author) / WANG XIN (author) / JI HONGFEN (author) / DENG LI'ER (author)
2020-08-04
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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