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Copper sodium calcium cadmium titanate ceramic with high dielectric constant and low dielectric loss and preparation method thereof
The invention discloses a copper sodium calcium cadmium titanate ceramic with high dielectric constant and low dielectric loss and a preparation method thereof. The chemical formula of the ceramic material is represented by Na2xCa (1-x-y) CdyCu3Ti4O12, wherein the value of x is 0.05 to 0.2, and the value of y is 0.1 to 0.4; preferably, 0.08 < = x < = 0.15, and 0.2 < = y < = 0.3. The preparation method comprises the following steps: mixing initial raw materials including calcium carbonate, sodium carbonate, cadmium oxide, copper oxide and titanium oxide according to a component ratio, grinding, pre-sintering, granulating, tabletting, discharging glue, and combining with a specific heat treatment process to obtain the copper sodium calcium cadmium titanate ceramic material. The prepared ceramic has the characteristics of high dielectric constant and low loss, the maximum dielectric constant can reach 7.6 * 10 < 4 >, the dielectric loss is as low as 0.025, and the specific heat treatment process reduces the energy consumption in the material preparation process by 12%. The ceramic material has important application prospects in the fields of high-capacity capacitors, high-energy density storage and the like.
本发明公开了一种高介电常数低介电损耗钛酸铜钠钙镉陶瓷及其制备方法。该陶瓷材料化学式为Na2xCa1‑x‑yCdyCu3Ti4O12表示，其中x，y的取值分别为0.05~0.2，0.1~0.4；优选0.08≤x≤0.15，0.2≤y≤0.3。起始原料为碳酸钙、碳酸钠、氧化镉、氧化铜及氧化钛按成分比例混合，经研磨、预烧、造粒、压片、排胶、并结合特定热处理工艺得到钛酸铜钠钙镉陶瓷材料。本发明制备的陶瓷具有高介电常数和低损耗的特征，最大介电常数可达7.6×104，介电损耗低至0.025，特定的热处理工艺使得材料制备过程中能耗下降12%。该陶瓷材料在大容量电容器、高能量密度存储等领域具有重要的应用前景。
Copper sodium calcium cadmium titanate ceramic with high dielectric constant and low dielectric loss and preparation method thereof
The invention discloses a copper sodium calcium cadmium titanate ceramic with high dielectric constant and low dielectric loss and a preparation method thereof. The chemical formula of the ceramic material is represented by Na2xCa (1-x-y) CdyCu3Ti4O12, wherein the value of x is 0.05 to 0.2, and the value of y is 0.1 to 0.4; preferably, 0.08 < = x < = 0.15, and 0.2 < = y < = 0.3. The preparation method comprises the following steps: mixing initial raw materials including calcium carbonate, sodium carbonate, cadmium oxide, copper oxide and titanium oxide according to a component ratio, grinding, pre-sintering, granulating, tabletting, discharging glue, and combining with a specific heat treatment process to obtain the copper sodium calcium cadmium titanate ceramic material. The prepared ceramic has the characteristics of high dielectric constant and low loss, the maximum dielectric constant can reach 7.6 * 10 < 4 >, the dielectric loss is as low as 0.025, and the specific heat treatment process reduces the energy consumption in the material preparation process by 12%. The ceramic material has important application prospects in the fields of high-capacity capacitors, high-energy density storage and the like.
本发明公开了一种高介电常数低介电损耗钛酸铜钠钙镉陶瓷及其制备方法。该陶瓷材料化学式为Na2xCa1‑x‑yCdyCu3Ti4O12表示，其中x，y的取值分别为0.05~0.2，0.1~0.4；优选0.08≤x≤0.15，0.2≤y≤0.3。起始原料为碳酸钙、碳酸钠、氧化镉、氧化铜及氧化钛按成分比例混合，经研磨、预烧、造粒、压片、排胶、并结合特定热处理工艺得到钛酸铜钠钙镉陶瓷材料。本发明制备的陶瓷具有高介电常数和低损耗的特征，最大介电常数可达7.6×104，介电损耗低至0.025，特定的热处理工艺使得材料制备过程中能耗下降12%。该陶瓷材料在大容量电容器、高能量密度存储等领域具有重要的应用前景。
Copper sodium calcium cadmium titanate ceramic with high dielectric constant and low dielectric loss and preparation method thereof
一种高介电常数低介电损耗钛酸铜钠钙镉陶瓷及其制备方法
WANG HAIYAN (Autor:in) / WANG QIAOHE (Autor:in) / LI SEN (Autor:in) / SUN MIN (Autor:in) / ZHAO LIUYANG (Autor:in) / XUE RENZHONG (Autor:in) / LI ZIJIONG (Autor:in)
05.05.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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