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Ceramic material for high-voltage and high-capacity ceramic capacitor and ceramic capacitor
The invention provides a ceramic material for a high-voltage and high-capacity ceramic capacitor and the ceramic capacitor, the structure of the ceramic material is an ABO3 type perovskite structure, the ceramic material comprises an A-site element, a B-site element and O, rA is the average ion radius of the A-site element, rB is the average ion radius of the B-site element, rO is the ion radius of O, and t is greater than 0.958 and less than 0.972. The ceramic material provided by the technical scheme of the invention has large capacitance in a high electric field, and has enough service life in a working electric field.
本发明提供了用于高压高容型陶瓷电容器的陶瓷材料及陶瓷电容器，所述陶瓷材料的结构为ABO3型钙钛矿结构，所述陶瓷材料的组成包括A位元素、B位元素和O，其中，rA为A位元素的平均离子半径，rB为B位元素的平均离子半径，rO为O的离子半径，且0.958＜t＜0.972。本发明技术方案的陶瓷材料在较高电场下具备较大电容，且位于工作电场下具备足够寿命。
Ceramic material for high-voltage and high-capacity ceramic capacitor and ceramic capacitor
The invention provides a ceramic material for a high-voltage and high-capacity ceramic capacitor and the ceramic capacitor, the structure of the ceramic material is an ABO3 type perovskite structure, the ceramic material comprises an A-site element, a B-site element and O, rA is the average ion radius of the A-site element, rB is the average ion radius of the B-site element, rO is the ion radius of O, and t is greater than 0.958 and less than 0.972. The ceramic material provided by the technical scheme of the invention has large capacitance in a high electric field, and has enough service life in a working electric field.
本发明提供了用于高压高容型陶瓷电容器的陶瓷材料及陶瓷电容器，所述陶瓷材料的结构为ABO3型钙钛矿结构，所述陶瓷材料的组成包括A位元素、B位元素和O，其中，rA为A位元素的平均离子半径，rB为B位元素的平均离子半径，rO为O的离子半径，且0.958＜t＜0.972。本发明技术方案的陶瓷材料在较高电场下具备较大电容，且位于工作电场下具备足够寿命。
Ceramic material for high-voltage and high-capacity ceramic capacitor and ceramic capacitor
用于高压高容型陶瓷电容器的陶瓷材料及陶瓷电容器
BAO YIZHENG (author) / WANG GENSHUI (author) / YAN SHIGUANG (author) / CHEN XUEFENG (author) / DONG XIANLIN (author)
2021-12-24
Patent
Electronic Resource
Chinese
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