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Tungsten bronze type Bi < 3 + >/Zr < 4 + > double-doped strontium sodium silver niobate antimonate lead-free ceramic material and preparation method thereof
The invention discloses a tungsten bronze type Bi < 3 + >/Zr < 4 + > double-doped strontium sodium silver niobate antimonate lead-free ceramic material and a preparation method, the structural general formula of the ceramic material is (Sr < 2-x > Bi < x > Ag < 0.2 > Na < 0.8 >) (Nb < 4.8-x > Zr < x > Sb < 0.2 >) O < 15 >, and the value of x is 0.03-0.15. The tungsten bronze type Bi < 3 + >/Zr < 4 + > double-doped strontium sodium silver niobate antimonate lead-free 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 obtains high energy storage density and high power density while maintaining high energy storage efficiency, when x is equal to 0.05, the breakdown electric field reaches 360 kV/cm, the effective energy storage density is 3.61 J/cm < 3 >, the current density can reach 1422.29 A/cm < 3 > at the room temperature and under the electric field intensity of 220 kV/cm, and the power density is 159 MW/cm < 3 >.
本发明公开了一种钨青铜型Bi3+/Zr4+双掺杂铌锑酸锶钠银无铅陶瓷材料及制备方法，该陶瓷材料的结构通式为(Sr2‑xBixAg0.2Na0.8)(Nb4.8‑xZrxSb0.2)O15，其中x的取值为0.03～0.15，本发明通过配料、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，所得陶瓷材料在保持高储能效率的同时，获得高的储能密度和高的功率密度，其中x＝0.05时，其击穿电场高达360kV/cm，有效储能密度为3.61J/cm3，在室温和220kV/cm电场强度下的电流密度可达1422.29A/cm3，功率密度为159MW/cm3。
Tungsten bronze type Bi < 3 + >/Zr < 4 + > double-doped strontium sodium silver niobate antimonate lead-free ceramic material and preparation method thereof
The invention discloses a tungsten bronze type Bi < 3 + >/Zr < 4 + > double-doped strontium sodium silver niobate antimonate lead-free ceramic material and a preparation method, the structural general formula of the ceramic material is (Sr < 2-x > Bi < x > Ag < 0.2 > Na < 0.8 >) (Nb < 4.8-x > Zr < x > Sb < 0.2 >) O < 15 >, and the value of x is 0.03-0.15. The tungsten bronze type Bi < 3 + >/Zr < 4 + > double-doped strontium sodium silver niobate antimonate lead-free 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 obtains high energy storage density and high power density while maintaining high energy storage efficiency, when x is equal to 0.05, the breakdown electric field reaches 360 kV/cm, the effective energy storage density is 3.61 J/cm < 3 >, the current density can reach 1422.29 A/cm < 3 > at the room temperature and under the electric field intensity of 220 kV/cm, and the power density is 159 MW/cm < 3 >.
本发明公开了一种钨青铜型Bi3+/Zr4+双掺杂铌锑酸锶钠银无铅陶瓷材料及制备方法，该陶瓷材料的结构通式为(Sr2‑xBixAg0.2Na0.8)(Nb4.8‑xZrxSb0.2)O15，其中x的取值为0.03～0.15，本发明通过配料、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，所得陶瓷材料在保持高储能效率的同时，获得高的储能密度和高的功率密度，其中x＝0.05时，其击穿电场高达360kV/cm，有效储能密度为3.61J/cm3，在室温和220kV/cm电场强度下的电流密度可达1422.29A/cm3，功率密度为159MW/cm3。
Tungsten bronze type Bi < 3 + >/Zr < 4 + > double-doped strontium sodium silver niobate antimonate lead-free ceramic material and preparation method thereof
一种钨青铜型Bi3+/Zr4+双掺杂铌锑酸锶钠银无铅陶瓷材料及制备方法
XU SHUDONG (author) / MIAO ZONGCHENG (author) / WEI LINGLING (author) / ZHAO YUZHEN (author) / SONG WENQI (author) / GAO JIANJING (author) / WANG FANGMIN (author)
2024-02-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2022
| European Patent Office | 2020
| European Patent Office | 2023