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Bi < 3 + >-doped sodium bismuth titanate-based lead-free ferroelectric ceramic material with high temperature stability and high energy storage characteristic and preparation method of Bi < 3 + >-doped sodium bismuth titanate-based lead-free ferroelectric ceramic material
The invention discloses a Bi < 3 + >-doped sodium bismuth titanate-based lead-free ferroelectric ceramic material with high temperature stability and high energy storage characteristic and a preparation method thereof, the structural general formula of the ceramic material is 0.5 (0.93 Bi < 0.5 > Na < 0.5 > TiO < 3 >-0.07 CaSnO < 3 >)-0.5 Sr < 1-1.5 x > Bi < x > TiO < 3 >, the value of x is 0.12-0.30, and the ceramic material is prepared through material preparation, ball milling, pre-sintering, secondary ball milling, sieving, tabletting and sintering. The preparation method is simple, low in cost, good in repeatability and high in yield, the obtained ceramic material has high energy storage density and high temperature stability, when x is equal to 0.20, the effective energy storage density is 4.02 J/cm < 3 >, and the energy storage efficiency can reach 80.2%. The ceramic material provided by the invention has higher temperature stability and energy storage characteristic, and is expected to provide a new alternative material in the field of pulse power systems.
本发明公开了一种高温度稳定性兼高储能特性的Bi3+掺杂钛酸铋钠基无铅铁电陶瓷材料及其制备方法，该陶瓷材料的结构通式为0.5(0.93Bi0.5Na0.5TiO3‑0.07CaSnO3)‑0.5Sr1‑1.5xBixTiO3，其中x的取值为0.12～0.30，其通过配料、球磨、预烧、二次球磨、过筛、压片、烧结制备而成。本发明制备方法简单、成本低廉、重复性好、成品率高，所得陶瓷材料具有高储能密度和高温度稳定性，其中x＝0.20时，其有效储能密度为4.02J/cm3，储能效率可达80.2％。本发明陶瓷材料具有更高的温度稳定性和储能特性，有望在脉冲功率系统领域提供新的备选材料。
Bi < 3 + >-doped sodium bismuth titanate-based lead-free ferroelectric ceramic material with high temperature stability and high energy storage characteristic and preparation method of Bi < 3 + >-doped sodium bismuth titanate-based lead-free ferroelectric ceramic material
The invention discloses a Bi < 3 + >-doped sodium bismuth titanate-based lead-free ferroelectric ceramic material with high temperature stability and high energy storage characteristic and a preparation method thereof, the structural general formula of the ceramic material is 0.5 (0.93 Bi < 0.5 > Na < 0.5 > TiO < 3 >-0.07 CaSnO < 3 >)-0.5 Sr < 1-1.5 x > Bi < x > TiO < 3 >, the value of x is 0.12-0.30, and the ceramic material is prepared through material preparation, ball milling, pre-sintering, secondary ball milling, sieving, tabletting and sintering. The preparation method is simple, low in cost, good in repeatability and high in yield, the obtained ceramic material has high energy storage density and high temperature stability, when x is equal to 0.20, the effective energy storage density is 4.02 J/cm < 3 >, and the energy storage efficiency can reach 80.2%. The ceramic material provided by the invention has higher temperature stability and energy storage characteristic, and is expected to provide a new alternative material in the field of pulse power systems.
本发明公开了一种高温度稳定性兼高储能特性的Bi3+掺杂钛酸铋钠基无铅铁电陶瓷材料及其制备方法，该陶瓷材料的结构通式为0.5(0.93Bi0.5Na0.5TiO3‑0.07CaSnO3)‑0.5Sr1‑1.5xBixTiO3，其中x的取值为0.12～0.30，其通过配料、球磨、预烧、二次球磨、过筛、压片、烧结制备而成。本发明制备方法简单、成本低廉、重复性好、成品率高，所得陶瓷材料具有高储能密度和高温度稳定性，其中x＝0.20时，其有效储能密度为4.02J/cm3，储能效率可达80.2％。本发明陶瓷材料具有更高的温度稳定性和储能特性，有望在脉冲功率系统领域提供新的备选材料。
Bi < 3 + >-doped sodium bismuth titanate-based lead-free ferroelectric ceramic material with high temperature stability and high energy storage characteristic and preparation method of Bi < 3 + >-doped sodium bismuth titanate-based lead-free ferroelectric ceramic material
高温度稳定性兼高储能特性的Bi3+掺杂钛酸铋钠基无铅铁电陶瓷材料及其制备方法
YANG ZUPEI (Autor:in) / JIANG MINGJIA (Autor:in) / PENG ZHANHUI (Autor:in) / CHAO XIAOLIAN (Autor:in)
08.12.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2023