A strontium-bismuth-titanium-based energy storage medium material for medium-temperature sintering and its preparation method

A strontium-bismuth-titanium-based storage and dielectric material technology is applied in the direction of fixed capacitor dielectric, fixed capacitor parts, fixed capacitors, etc., which can solve the difficult problems of improving the structure of multilayer ceramic capacitors, and achieve good practical value and high Effect of insulation resistivity and low loss
CN109970446BActive Publication Date: 2021-12-24BEIJING YUANLIU HONGYUAN ELECTRONICS TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING YUANLIU HONGYUAN ELECTRONICS TECH
Publication Date
2021-12-24

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Abstract

The invention discloses a strontium-bismuth-titanium-based energy storage medium material for medium temperature sintering and a preparation method, comprising a base material, a modifier and a sintering aid; the base material is SrO-xBi 2 O 3 ‑(1+3x)TiO 2 , 0.04≤x≤0.11; the modifier includes MnCO 3 , Mg(OH) 2 , Co 2 O 3 , and SrZrO 3 , CeO 2 and Y 2 O 3 One or more of them; sintering aids include H 3 BO 3 , ZnO, CaCO 3 and SiO 2 two or more of them. The invention adopts the solid phase method to prepare SrO-xBi 2 O 3 ‑(1+3x)TiO 2 Base material, by adding modifiers and sintering aids, an energy storage medium with high dielectric constant, breakdown strength and insulation resistivity, low loss and sintering temperature, and a stable and adjustable temperature coefficient can be obtained Material.
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Description

technical field

[0001] The invention relates to the technical field of electronic information materials and components, in particular to a strontium-bismuth-titanium-based energy storage medium material for medium-temperature sintering and a preparation method thereof. Background technique

[0002] Energy storage capacitors have broad applications in fields such as hybrid electric vehicles, pulse power supplies, radar, and aerospace. With the development of technology, energy storage capacitors are mainly developed in the direction of miniaturization, light weight, high withstand voltage, high reliability and high energy storage. In order to meet the development trend of energy storage capacitors, the main measures are: (1) optimize the capacitor structure and adopt multilayer ceramic capacitor structure; (2) improve the performance of dielectric materials, such as increasing the dielectric constant, increasing the breakdown strength and reducing loss . At present, due to ...

Claims

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