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Piezoelectric ceramic material, preparation method thereof and energy collection device
The invention provides a piezoelectric ceramic material, a preparation method thereof and an energy collection device, the chemical composition of the piezoelectric ceramic material is Na < 0.5 > Bi < 4.5 > Ti < 4-z > Mn < x > Nb < y > O < 15 >, x is greater than 0 and less than or equal to 0.08, y is greater than or equal to 0 and less than or equal to 0.12, and x + y = z. According to the piezoelectric ceramic material provided by the invention, a proper amount of manganese element and niobium element are introduced into the bismuth layered ceramic Na0. 5Bi4. 5Ti4O15, and the proportion of the manganese element and the niobium element is controlled, so that the piezoelectric ceramic material is more easily polarized, the piezoelectric property of the piezoelectric ceramic material is remarkably improved, and the stability of the piezoelectric property under a high-temperature condition is improved. Meanwhile, the piezoelectric ceramic material provided by the invention is a lead-free material and conforms to the concept of environmental protection.
本申请提供了压电陶瓷材料及其制备方法、能量收集装置，压电陶瓷材料的化学组成为Na0.5Bi4.5Ti4‑zMnxNbyO15，其中0＜x≤0.08，0≤y≤0.12，x+y＝z。本申请提供的压电陶瓷材料，通过在铋层状陶瓷Na0.5Bi4.5Ti4O15引入适量的锰元素和铌元素并控制二者的比例，使得压电陶瓷材料更容易被极化，从而使得压电陶瓷材料的压电性能得到显著提高，并且提升了高温条件下压电性能的稳定性。同时，本申请提供的压电陶瓷材料为无铅材料，符合绿色环保的理念。
Piezoelectric ceramic material, preparation method thereof and energy collection device
The invention provides a piezoelectric ceramic material, a preparation method thereof and an energy collection device, the chemical composition of the piezoelectric ceramic material is Na < 0.5 > Bi < 4.5 > Ti < 4-z > Mn < x > Nb < y > O < 15 >, x is greater than 0 and less than or equal to 0.08, y is greater than or equal to 0 and less than or equal to 0.12, and x + y = z. According to the piezoelectric ceramic material provided by the invention, a proper amount of manganese element and niobium element are introduced into the bismuth layered ceramic Na0. 5Bi4. 5Ti4O15, and the proportion of the manganese element and the niobium element is controlled, so that the piezoelectric ceramic material is more easily polarized, the piezoelectric property of the piezoelectric ceramic material is remarkably improved, and the stability of the piezoelectric property under a high-temperature condition is improved. Meanwhile, the piezoelectric ceramic material provided by the invention is a lead-free material and conforms to the concept of environmental protection.
本申请提供了压电陶瓷材料及其制备方法、能量收集装置，压电陶瓷材料的化学组成为Na0.5Bi4.5Ti4‑zMnxNbyO15，其中0＜x≤0.08，0≤y≤0.12，x+y＝z。本申请提供的压电陶瓷材料，通过在铋层状陶瓷Na0.5Bi4.5Ti4O15引入适量的锰元素和铌元素并控制二者的比例，使得压电陶瓷材料更容易被极化，从而使得压电陶瓷材料的压电性能得到显著提高，并且提升了高温条件下压电性能的稳定性。同时，本申请提供的压电陶瓷材料为无铅材料，符合绿色环保的理念。
Piezoelectric ceramic material, preparation method thereof and energy collection device
压电陶瓷材料及其制备方法、能量收集装置
LI ZHE (author) / LIU GUOWEI (author) / DENG HAO (author) / HUANG ZHANHUA (author) / SUN SHUXIA (author) / DAI HAO (author)
2024-12-10
Patent
Electronic Resource
Chinese
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