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BaTiO3 dielectric ceramic and preparation method and application thereof
The invention discloses BaTiO3 dielectric ceramic and a preparation method and application thereof, and belongs to the technical field of ceramic capacitors. The composition of the BaTiO3 dielectric ceramic meets the following formula: (1-x) BaTiO3-xBi (Zn3/4W1/4) O3, and x is equal to 0.05. The preparation method comprises the following steps: weighing barium carbonate, zinc oxide, titanium dioxide, tungsten pentoxide and bismuth trioxide raw materials in proportion, and sequentially carrying out primary ball milling, drying, calcining, cooling for later use, secondary ball milling and dry pressing to obtain the dielectric ceramic. The preparation method has the advantages that the process is simple and easy to implement, the cost is low, the BaTiO3-based relaxor ferroelectric can be generated, the influence of temperature change is improved, the dielectric energy storage performance is improved, and the BaTiO3 dielectric ceramic can be prepared into a dielectric ceramic capacitor and shows excellent energy storage performance.
本发明公开了一种BaTiO3电介质陶瓷及其制备方法和应用，属于陶瓷电容器技术领域。该BaTiO3电介质陶瓷，其组成满足：(1‑x)BaTiO3‑xBi(Zn3/4W1/4)O3，其中x=0.05。其制备方法包括步骤如下：按比例称量碳酸钡、氧化锌、二氧化钛、五氧化二钨和三氧化二铋原料，依次进行一次球磨、烘干、煅烧、冷却备用、二次球磨和干压成型，即得到所述电介质陶瓷。本发明通工艺简单易行，而且成本较低，可以生成BaTiO3基弛豫铁电体，改善了受温度变化的影响，提高了介电储能性能，该BaTiO3电介质陶瓷可制成电介质陶瓷电容器，并且呈现优异的能量储能性能。
BaTiO3 dielectric ceramic and preparation method and application thereof
The invention discloses BaTiO3 dielectric ceramic and a preparation method and application thereof, and belongs to the technical field of ceramic capacitors. The composition of the BaTiO3 dielectric ceramic meets the following formula: (1-x) BaTiO3-xBi (Zn3/4W1/4) O3, and x is equal to 0.05. The preparation method comprises the following steps: weighing barium carbonate, zinc oxide, titanium dioxide, tungsten pentoxide and bismuth trioxide raw materials in proportion, and sequentially carrying out primary ball milling, drying, calcining, cooling for later use, secondary ball milling and dry pressing to obtain the dielectric ceramic. The preparation method has the advantages that the process is simple and easy to implement, the cost is low, the BaTiO3-based relaxor ferroelectric can be generated, the influence of temperature change is improved, the dielectric energy storage performance is improved, and the BaTiO3 dielectric ceramic can be prepared into a dielectric ceramic capacitor and shows excellent energy storage performance.
本发明公开了一种BaTiO3电介质陶瓷及其制备方法和应用，属于陶瓷电容器技术领域。该BaTiO3电介质陶瓷，其组成满足：(1‑x)BaTiO3‑xBi(Zn3/4W1/4)O3，其中x=0.05。其制备方法包括步骤如下：按比例称量碳酸钡、氧化锌、二氧化钛、五氧化二钨和三氧化二铋原料，依次进行一次球磨、烘干、煅烧、冷却备用、二次球磨和干压成型，即得到所述电介质陶瓷。本发明通工艺简单易行，而且成本较低，可以生成BaTiO3基弛豫铁电体，改善了受温度变化的影响，提高了介电储能性能，该BaTiO3电介质陶瓷可制成电介质陶瓷电容器，并且呈现优异的能量储能性能。
BaTiO3 dielectric ceramic and preparation method and application thereof
一种BaTiO3电介质陶瓷及其制备方法和应用
LEE JI-HEUNG (Autor:in)
06.02.2024
Patent
Elektronische Ressource
Chinesisch
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