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Giant dielectric constant barium titanate-based dielectric material and preparation method thereof
The invention discloses a giant dielectric constant barium titanate-based dielectric material and a preparation method thereof, wherein the giant dielectric constant barium titanate-based dielectric material takes 100 parts by weight of barium titanate as a main base material, and 0.8-4.0 parts by weight of a co-melt I and 0.1-0.8 part by weight of a co-melt II are added; and the co-melt I is a co-melt formed by an oxide of a niobium element and an oxide of an A element, and the co-melt II is a co-melt of silicon, boron, bismuth and lithium, wherein the element A is one or more of tantalum, gallium, cobalt and nickel. The giant dielectric constant barium titanate-based dielectric material is prepared by adopting a traditional solid phase method process, the process is simple, the cost is low, the dielectric constant of the prepared dielectric material can reach 10000 or above, the dielectric loss is low, and further development requirements of a power electronic technology can be met.
本发明公开了一种巨介电常数钛酸钡基介电材料及其制备方法，所述巨介电常数钛酸钡基介电材料以100重量份的钛酸钡为主基料，添加0.8～4.0重量份的共融物I和0.1～0.8重量份的共融物II；所述共融物I为铌元素的氧化物和A元素的氧化物形成的共融物、共融物II为硅硼铋锂的共融物；其中，元素A为钽、镓、钴、镍中的一种或几种。本发明中巨介电常数钛酸钡基介电材料采用传统的固相法工艺进行制备，工艺简单，成本低，制备出来的介电材料具有介电常数能够达到10000以上，介质损耗低，能够满足电力电子技术的进一步发展需求。
Giant dielectric constant barium titanate-based dielectric material and preparation method thereof
The invention discloses a giant dielectric constant barium titanate-based dielectric material and a preparation method thereof, wherein the giant dielectric constant barium titanate-based dielectric material takes 100 parts by weight of barium titanate as a main base material, and 0.8-4.0 parts by weight of a co-melt I and 0.1-0.8 part by weight of a co-melt II are added; and the co-melt I is a co-melt formed by an oxide of a niobium element and an oxide of an A element, and the co-melt II is a co-melt of silicon, boron, bismuth and lithium, wherein the element A is one or more of tantalum, gallium, cobalt and nickel. The giant dielectric constant barium titanate-based dielectric material is prepared by adopting a traditional solid phase method process, the process is simple, the cost is low, the dielectric constant of the prepared dielectric material can reach 10000 or above, the dielectric loss is low, and further development requirements of a power electronic technology can be met.
本发明公开了一种巨介电常数钛酸钡基介电材料及其制备方法，所述巨介电常数钛酸钡基介电材料以100重量份的钛酸钡为主基料，添加0.8～4.0重量份的共融物I和0.1～0.8重量份的共融物II；所述共融物I为铌元素的氧化物和A元素的氧化物形成的共融物、共融物II为硅硼铋锂的共融物；其中，元素A为钽、镓、钴、镍中的一种或几种。本发明中巨介电常数钛酸钡基介电材料采用传统的固相法工艺进行制备，工艺简单，成本低，制备出来的介电材料具有介电常数能够达到10000以上，介质损耗低，能够满足电力电子技术的进一步发展需求。
Giant dielectric constant barium titanate-based dielectric material and preparation method thereof
一种巨介电常数钛酸钡基介电材料及其制备方法
LU GUOFENG (author)
2021-12-07
Patent
Electronic Resource
Chinese
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