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Preparation method and application of dielectric ceramic material with high energy storage density
The invention discloses a preparation method and application of a dielectric ceramic material with high energy storage density, and the preparation method comprises the following steps: S1, preparing Na0. 5Bi0. 5TiO3, BiFeO3 and CaTiO3 according to a ratio, and then carrying out uniform ball milling in an absolute ethyl alcohol atmosphere; s2, the powder in the S1 is placed in a drying box to be dried; s3, pressing the material in the S2 into a cylinder with a certain size, putting the cylinder into a crucible, and then pre-sintering in a muffle furnace; s4, mashing the pre-sintered sample in the step S3 into powder, performing secondary ball milling with the step similar to that in the step S1, and drying after uniform ball milling; s5, adding a proper amount of PVA into the powder dried in the step S4, granulating, sieving with a 400-mesh sieve, and taking uniform granular materials at the lower layer; and S6, pressing the granules obtained in the step S5 into green sheets (the diameter is about 10 mm and the thickness is 1 mm). The invention provides a preparation method and application of CaTiO3 doped Na0. 5Bi0. 5TiO3-BiFeO3 ceramic, belongs to the field of dielectric materials, and provides a preparation method which is low in cost and simple in process.
本发明公开了一种具有高储能密度介电陶瓷材料的制备方法及应用，包括以下步骤：S1：将Na0.5Bi0.5TiO3、BiFeO3和CaTiO3按比例进行配制，然后在无水乙醇氛围中球磨均匀；S2：将S1中的粉料放置于干燥箱中烘干；S3：将S2中的料压制成一定大小的圆柱体形状，置于坩埚中，然后于马弗炉中预烧；S4：将S3中预烧后的样品捣碎成粉末状，再进行二次球磨，步骤与前面S1所示类似，球磨均匀后将其烘干；S5：将S4中烘干的粉料中加入适量PVA进行造粒，过400目筛后取用下层均匀的颗粒状料；S6：将S5中所得粒料压成生片(直径约为10mm、厚度为1mm)。本发明提供了一种CaTiO3掺杂Na0.5Bi0.5TiO3‑BiFeO3陶瓷的制备方法及应用，属于电介质材料领域，提供了一种成本低、工艺简单的制备方法。
Preparation method and application of dielectric ceramic material with high energy storage density
The invention discloses a preparation method and application of a dielectric ceramic material with high energy storage density, and the preparation method comprises the following steps: S1, preparing Na0. 5Bi0. 5TiO3, BiFeO3 and CaTiO3 according to a ratio, and then carrying out uniform ball milling in an absolute ethyl alcohol atmosphere; s2, the powder in the S1 is placed in a drying box to be dried; s3, pressing the material in the S2 into a cylinder with a certain size, putting the cylinder into a crucible, and then pre-sintering in a muffle furnace; s4, mashing the pre-sintered sample in the step S3 into powder, performing secondary ball milling with the step similar to that in the step S1, and drying after uniform ball milling; s5, adding a proper amount of PVA into the powder dried in the step S4, granulating, sieving with a 400-mesh sieve, and taking uniform granular materials at the lower layer; and S6, pressing the granules obtained in the step S5 into green sheets (the diameter is about 10 mm and the thickness is 1 mm). The invention provides a preparation method and application of CaTiO3 doped Na0. 5Bi0. 5TiO3-BiFeO3 ceramic, belongs to the field of dielectric materials, and provides a preparation method which is low in cost and simple in process.
本发明公开了一种具有高储能密度介电陶瓷材料的制备方法及应用，包括以下步骤：S1：将Na0.5Bi0.5TiO3、BiFeO3和CaTiO3按比例进行配制，然后在无水乙醇氛围中球磨均匀；S2：将S1中的粉料放置于干燥箱中烘干；S3：将S2中的料压制成一定大小的圆柱体形状，置于坩埚中，然后于马弗炉中预烧；S4：将S3中预烧后的样品捣碎成粉末状，再进行二次球磨，步骤与前面S1所示类似，球磨均匀后将其烘干；S5：将S4中烘干的粉料中加入适量PVA进行造粒，过400目筛后取用下层均匀的颗粒状料；S6：将S5中所得粒料压成生片(直径约为10mm、厚度为1mm)。本发明提供了一种CaTiO3掺杂Na0.5Bi0.5TiO3‑BiFeO3陶瓷的制备方法及应用，属于电介质材料领域，提供了一种成本低、工艺简单的制备方法。
Preparation method and application of dielectric ceramic material with high energy storage density
一种具有高储能密度介电陶瓷材料的制备方法及应用
YE BAOHUA (author) / ZHANG HAIBO (author) / JIANG LI (author)
2022-06-07
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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