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Sodium bismuth titanate-based lead-free ceramic material with excellent energy storage performance and preparation method of sodium bismuth titanate-based lead-free ceramic material
The invention discloses a sodium bismuth titanate-based lead-free ceramic material with excellent energy storage performance, the chemical composition general formula of the sodium bismuth titanate-based lead-free ceramic material is (1-x) (Bi0. 5Na0. 5Ti03-BaTiO3)-xNaTaO3, and x is 0.03-0.10; the preparation method of the sodium bismuth titanate-based lead-free ceramic material with excellent energy storage performance comprises the following steps: weighing raw materials according to a stoichiometric ratio of a chemical composition general formula, and sequentially carrying out primary ball milling, primary drying, pre-sintering, secondary ball milling, secondary drying, sieving, tabletting, cold isostatic pressing and sintering, so as to obtain the sodium bismuth titanate-based lead-free ceramic material with excellent energy storage performance. The sodium bismuth titanate-based lead-free ceramic material with excellent energy storage performance is obtained. According to the sodium bismuth titanate-based lead-free ceramic material with the excellent energy storage performance and the preparation method of the sodium bismuth titanate-based lead-free ceramic material, a third component NaTaO3 is introduced into a matrix, the density of ceramic is improved, a breakdown electric field is increased, the energy storage performance is excellent, a cold isostatic pressing technology is adopted, and the cost is saved; and the green body is high and uniform in density, small in internal stress and environment-friendly.
本发明公开的储能性能优异的钛酸铋钠基无铅陶瓷材料，化学组成通式为(1‑x)(Bi0.5Na0.5Ti03‑BaTiO3)‑xNaTaO3，x为0.03～0.10；本发明的储能性能优异的钛酸铋钠基无铅陶瓷材料的制备方法，步骤为按化学组成通式的化学计量比称取原料，依次进行一次球磨、一次干燥、预烧、二次球磨、二次干燥、过筛、压片、冷等静压和烧结后，得到储能性能优异的钛酸铋钠基无铅陶瓷材料。本发明的储能性能优异的钛酸铋钠基无铅陶瓷材料及其制备方法，在基体中引入第三组元NaTaO3，提高陶瓷的致密度，增加击穿电场，储能性能优异，采用冷等静压技术，节省成本；坯体密度高且均匀，坯体内应力小，对环境友好。
Sodium bismuth titanate-based lead-free ceramic material with excellent energy storage performance and preparation method of sodium bismuth titanate-based lead-free ceramic material
The invention discloses a sodium bismuth titanate-based lead-free ceramic material with excellent energy storage performance, the chemical composition general formula of the sodium bismuth titanate-based lead-free ceramic material is (1-x) (Bi0. 5Na0. 5Ti03-BaTiO3)-xNaTaO3, and x is 0.03-0.10; the preparation method of the sodium bismuth titanate-based lead-free ceramic material with excellent energy storage performance comprises the following steps: weighing raw materials according to a stoichiometric ratio of a chemical composition general formula, and sequentially carrying out primary ball milling, primary drying, pre-sintering, secondary ball milling, secondary drying, sieving, tabletting, cold isostatic pressing and sintering, so as to obtain the sodium bismuth titanate-based lead-free ceramic material with excellent energy storage performance. The sodium bismuth titanate-based lead-free ceramic material with excellent energy storage performance is obtained. According to the sodium bismuth titanate-based lead-free ceramic material with the excellent energy storage performance and the preparation method of the sodium bismuth titanate-based lead-free ceramic material, a third component NaTaO3 is introduced into a matrix, the density of ceramic is improved, a breakdown electric field is increased, the energy storage performance is excellent, a cold isostatic pressing technology is adopted, and the cost is saved; and the green body is high and uniform in density, small in internal stress and environment-friendly.
本发明公开的储能性能优异的钛酸铋钠基无铅陶瓷材料，化学组成通式为(1‑x)(Bi0.5Na0.5Ti03‑BaTiO3)‑xNaTaO3，x为0.03～0.10；本发明的储能性能优异的钛酸铋钠基无铅陶瓷材料的制备方法，步骤为按化学组成通式的化学计量比称取原料，依次进行一次球磨、一次干燥、预烧、二次球磨、二次干燥、过筛、压片、冷等静压和烧结后，得到储能性能优异的钛酸铋钠基无铅陶瓷材料。本发明的储能性能优异的钛酸铋钠基无铅陶瓷材料及其制备方法，在基体中引入第三组元NaTaO3，提高陶瓷的致密度，增加击穿电场，储能性能优异，采用冷等静压技术，节省成本；坯体密度高且均匀，坯体内应力小，对环境友好。
Sodium bismuth titanate-based lead-free ceramic material with excellent energy storage performance and preparation method of sodium bismuth titanate-based lead-free ceramic material
储能性能优异的钛酸铋钠基无铅陶瓷材料及其制备方法
WANG JUANJUAN (Autor:in) / MA PENGKANG (Autor:in) / DUAN XUELIANG (Autor:in) / LAI FUSHENG (Autor:in) / CHEN MINGYANG (Autor:in)
26.12.2023
Patent
Elektronische Ressource
Chinesisch
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2024