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Potassium-sodium niobate-based ceramic material with high energy storage under low electric field and preparation method of potassium-sodium niobate-based ceramic material
The invention discloses a potassium sodium niobate-based ceramic material with high energy storage under a low electric field, the chemical composition general formula is (1-x) K0. 5Na0. 5NbO3-x (Sr0. 7La0. 2) (Mg1/3Ta2/3) O3, x represents the mole number, and x is 0.03-0.12; the potassium-sodium niobate-based ceramic material is of a pure perovskite structure; the invention discloses a preparation method of a potassium-sodium niobate-based ceramic material with high energy storage under a low electric field. The preparation method comprises the following steps: burdening, primary ball milling, pre-sintering, secondary ball milling, tabletting and cold isostatic pressing, and pressureless closed sintering. The potassium-sodium niobate-based ceramic material with high energy storage under the low electric field has very excellent energy storage performance under the low electric field, is high in practicability and easy to produce, and is lead-free ferroelectric ceramic with excellent performance; the preparation method of the potassium-sodium niobate-based ceramic material with high energy storage under the low electric field is simple, good in repeatability and high in yield.
本发明公开的低电场下具有高储能的铌酸钾钠基陶瓷材料，化学组成通式为(1‑x)K0.5Na0.5NbO3‑x(Sr0.7La0.2)(Mg1/3Ta2/3)O3，式中x表示摩尔数，x为0.03～0.12；铌酸钾钠基陶瓷材料为纯钙钛矿结构；本发明公开的低电场下具有高储能的铌酸钾钠基陶瓷材料的制备方法，步骤如下：配料、一次球磨、预烧、二次球磨、压片及冷等静压、无压密闭烧结。本发明的低电场下具有高储能的铌酸钾钠基陶瓷材料，在低电场下具有非常优异的储能性能，实用性强，易于生产，是一种性能优良的无铅铁电陶瓷；本发明的低电场下具有高储能的铌酸钾钠基陶瓷材料的制备方法简单、重复性好、成品率高。
Potassium-sodium niobate-based ceramic material with high energy storage under low electric field and preparation method of potassium-sodium niobate-based ceramic material
The invention discloses a potassium sodium niobate-based ceramic material with high energy storage under a low electric field, the chemical composition general formula is (1-x) K0. 5Na0. 5NbO3-x (Sr0. 7La0. 2) (Mg1/3Ta2/3) O3, x represents the mole number, and x is 0.03-0.12; the potassium-sodium niobate-based ceramic material is of a pure perovskite structure; the invention discloses a preparation method of a potassium-sodium niobate-based ceramic material with high energy storage under a low electric field. The preparation method comprises the following steps: burdening, primary ball milling, pre-sintering, secondary ball milling, tabletting and cold isostatic pressing, and pressureless closed sintering. The potassium-sodium niobate-based ceramic material with high energy storage under the low electric field has very excellent energy storage performance under the low electric field, is high in practicability and easy to produce, and is lead-free ferroelectric ceramic with excellent performance; the preparation method of the potassium-sodium niobate-based ceramic material with high energy storage under the low electric field is simple, good in repeatability and high in yield.
本发明公开的低电场下具有高储能的铌酸钾钠基陶瓷材料，化学组成通式为(1‑x)K0.5Na0.5NbO3‑x(Sr0.7La0.2)(Mg1/3Ta2/3)O3，式中x表示摩尔数，x为0.03～0.12；铌酸钾钠基陶瓷材料为纯钙钛矿结构；本发明公开的低电场下具有高储能的铌酸钾钠基陶瓷材料的制备方法，步骤如下：配料、一次球磨、预烧、二次球磨、压片及冷等静压、无压密闭烧结。本发明的低电场下具有高储能的铌酸钾钠基陶瓷材料，在低电场下具有非常优异的储能性能，实用性强，易于生产，是一种性能优良的无铅铁电陶瓷；本发明的低电场下具有高储能的铌酸钾钠基陶瓷材料的制备方法简单、重复性好、成品率高。
Potassium-sodium niobate-based ceramic material with high energy storage under low electric field and preparation method of potassium-sodium niobate-based ceramic material
低电场下具有高储能的铌酸钾钠基陶瓷材料及其制备方法
WANG JUANJUAN (author) / DUAN XUELIANG (author) / MA PENGKANG (author) / LAI FUSHENG (author) / HE HONGYI (author) / WU JIANMING (author) / LU BIN (author)
2023-12-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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