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High-configuration-entropy sodium niobate-based lead-free dielectric energy storage ceramic material as well as preparation method and application thereof
The invention relates to a high-configuration-entropy sodium niobate-based lead-free dielectric energy storage ceramic material and a preparation method and application thereof.The chemical composition of the material is Na (1-0.5 x) Bi (0.5 x) (Nb (1-x) Fe (0.2 x) Zr (0.2 x) Ti (0.2 x) Hf (0.2 x) Ta (0.2 x) O3 + ywt% MnO2, x is larger than 0.1 and smaller than or equal to 0.30, y is larger than or equal to 0.4 and smaller than or equal to 0.5, and the preparation method of the material comprises the following steps that S1, raw materials are selected; s2, ball milling and uniform mixing; s3, calcining; s4, secondary ball milling; s5, carrying out secondary calcination; s6, adding MnO2, performing uniform ball milling, and then performing drying and sieving; s7, uniformly mixing with an organic solvent, an emulsifier, a plasticizer, a binder and a dispersant; s8, preparing a ceramic membrane through a tape casting process, and then performing isostatic pressing treatment; s9, glue discharging treatment is carried out; and S10, sintering to obtain the sodium niobate-based dielectric energy storage ceramic material. Compared with the prior art, the invention has the advantages of high breakdown electric field intensity, high energy storage efficiency, low sintering temperature and excellent energy storage characteristic, and has important practical value for realizing lead-free, miniaturization and integration of electronic components.
本发明涉及一种高构型熵铌酸钠基无铅介电储能陶瓷材料及其制备方法与应用，该材料的化学组成为Na(1‑0.5x)Bi0.5x(Nb(1‑x)Fe0.2xZr0.2xTi0.2xHf0.2xTa0.2x)O3+ywt％MnO2，其中0.1＜x≤0.30，0.4≤y≤0.5，该材料的制备方法包括以下步骤：S1：选取原料；S2：球磨混合均匀；S3：煅烧；S4：二次球磨；S5：二次煅烧；S6：加入MnO2后球磨均匀，后烘干过筛；S7：与有机溶剂、乳化剂、增塑剂、粘结剂和分散剂混合均匀；S8：通过流延成型工艺制备陶瓷膜，后等静压处理；S9：排胶处理；S10：烧结，得到铌酸钠基介电储能陶瓷材料。与现有技术相比，本发明击穿电场强度高、储能效率高、烧结温度低、储能特性优异，对于实现电子元器件的无铅化、小型化和集成化具有重大的实用价值。
High-configuration-entropy sodium niobate-based lead-free dielectric energy storage ceramic material as well as preparation method and application thereof
The invention relates to a high-configuration-entropy sodium niobate-based lead-free dielectric energy storage ceramic material and a preparation method and application thereof.The chemical composition of the material is Na (1-0.5 x) Bi (0.5 x) (Nb (1-x) Fe (0.2 x) Zr (0.2 x) Ti (0.2 x) Hf (0.2 x) Ta (0.2 x) O3 + ywt% MnO2, x is larger than 0.1 and smaller than or equal to 0.30, y is larger than or equal to 0.4 and smaller than or equal to 0.5, and the preparation method of the material comprises the following steps that S1, raw materials are selected; s2, ball milling and uniform mixing; s3, calcining; s4, secondary ball milling; s5, carrying out secondary calcination; s6, adding MnO2, performing uniform ball milling, and then performing drying and sieving; s7, uniformly mixing with an organic solvent, an emulsifier, a plasticizer, a binder and a dispersant; s8, preparing a ceramic membrane through a tape casting process, and then performing isostatic pressing treatment; s9, glue discharging treatment is carried out; and S10, sintering to obtain the sodium niobate-based dielectric energy storage ceramic material. Compared with the prior art, the invention has the advantages of high breakdown electric field intensity, high energy storage efficiency, low sintering temperature and excellent energy storage characteristic, and has important practical value for realizing lead-free, miniaturization and integration of electronic components.
本发明涉及一种高构型熵铌酸钠基无铅介电储能陶瓷材料及其制备方法与应用，该材料的化学组成为Na(1‑0.5x)Bi0.5x(Nb(1‑x)Fe0.2xZr0.2xTi0.2xHf0.2xTa0.2x)O3+ywt％MnO2，其中0.1＜x≤0.30，0.4≤y≤0.5，该材料的制备方法包括以下步骤：S1：选取原料；S2：球磨混合均匀；S3：煅烧；S4：二次球磨；S5：二次煅烧；S6：加入MnO2后球磨均匀，后烘干过筛；S7：与有机溶剂、乳化剂、增塑剂、粘结剂和分散剂混合均匀；S8：通过流延成型工艺制备陶瓷膜，后等静压处理；S9：排胶处理；S10：烧结，得到铌酸钠基介电储能陶瓷材料。与现有技术相比，本发明击穿电场强度高、储能效率高、烧结温度低、储能特性优异，对于实现电子元器件的无铅化、小型化和集成化具有重大的实用价值。
High-configuration-entropy sodium niobate-based lead-free dielectric energy storage ceramic material as well as preparation method and application thereof
一种高构型熵铌酸钠基无铅介电储能陶瓷材料及其制备方法与应用
TANG LUOMENG (Autor:in) / LIU GUANYU (Autor:in) / ZHAI JIWEI (Autor:in)
15.11.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024