A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Modified sodium bismuth titanate-barium titanate-based ceramic material as well as preparation method and application thereof
The invention is applicable to the technical field of energy storage materials, and provides a preparation method of a modified sodium bismuth titanate-barium titanate-based ceramic material, which comprises the following steps: material preparation: mixing sodium carbonate, bismuth oxide, titanium oxide, barium carbonate, lanthanum oxide, magnesium oxide, aluminum oxide and tantalum oxide according to the molar ratio of the chemical formula (1-x) (Na < 0.5 > Bi < 0.5 >) < 1-y > BayTiO3-xLa (Mg < 2/5 > Al < 2/5 > Ta1/5) O3 to obtain a mixture, 0.001 < = x < = 0.20, 0.01 < = y < = 0.10; mixing the materials; performing drying; carrying out solid-phase reaction; performing ball milling; performing drying; granulating and forming; discharging glue; and sintering. The invention further provides the modified sodium bismuth titanate-barium titanate-based ceramic material and application thereof in preparation of dielectric materials. The breakdown strength of the energy storage ceramic material can reach 255 kV/cm, the effective energy storage density can reach 5.1 J/cm < 3 >, and the energy storage efficiency can reach 92%.
本发明适用于储能材料技术领域，提供了一种改性钛酸铋钠‑钛酸钡基陶瓷材料的制备方法，包括以下步骤：配料：将碳酸钠、氧化铋、氧化钛、碳酸钡、氧化镧、氧化镁、氧化铝和氧化钽按照化学式(1‑x)(Na0.5Bi0.5)1‑yBayTiO3‑xLa(Mg2/5Al2/5Ta1/5)O3的摩尔比混合得到混合物，其中0.001≤x≤0.20，0.01≤y≤0.10；混料；烘干；固相反应；球磨；烘干；造粒成型；排胶；烧结。本发明还提供了一种改性钛酸铋钠‑钛酸钡基陶瓷材料及其在制备电介质材料中的应用。本发明提供的储能陶瓷材料击穿强度可以达到255kV/cm，有效储能密度可以达到5.1J/cm3，储能效率达到92％。
Modified sodium bismuth titanate-barium titanate-based ceramic material as well as preparation method and application thereof
The invention is applicable to the technical field of energy storage materials, and provides a preparation method of a modified sodium bismuth titanate-barium titanate-based ceramic material, which comprises the following steps: material preparation: mixing sodium carbonate, bismuth oxide, titanium oxide, barium carbonate, lanthanum oxide, magnesium oxide, aluminum oxide and tantalum oxide according to the molar ratio of the chemical formula (1-x) (Na < 0.5 > Bi < 0.5 >) < 1-y > BayTiO3-xLa (Mg < 2/5 > Al < 2/5 > Ta1/5) O3 to obtain a mixture, 0.001 < = x < = 0.20, 0.01 < = y < = 0.10; mixing the materials; performing drying; carrying out solid-phase reaction; performing ball milling; performing drying; granulating and forming; discharging glue; and sintering. The invention further provides the modified sodium bismuth titanate-barium titanate-based ceramic material and application thereof in preparation of dielectric materials. The breakdown strength of the energy storage ceramic material can reach 255 kV/cm, the effective energy storage density can reach 5.1 J/cm < 3 >, and the energy storage efficiency can reach 92%.
本发明适用于储能材料技术领域，提供了一种改性钛酸铋钠‑钛酸钡基陶瓷材料的制备方法，包括以下步骤：配料：将碳酸钠、氧化铋、氧化钛、碳酸钡、氧化镧、氧化镁、氧化铝和氧化钽按照化学式(1‑x)(Na0.5Bi0.5)1‑yBayTiO3‑xLa(Mg2/5Al2/5Ta1/5)O3的摩尔比混合得到混合物，其中0.001≤x≤0.20，0.01≤y≤0.10；混料；烘干；固相反应；球磨；烘干；造粒成型；排胶；烧结。本发明还提供了一种改性钛酸铋钠‑钛酸钡基陶瓷材料及其在制备电介质材料中的应用。本发明提供的储能陶瓷材料击穿强度可以达到255kV/cm，有效储能密度可以达到5.1J/cm3，储能效率达到92％。
Modified sodium bismuth titanate-barium titanate-based ceramic material as well as preparation method and application thereof
一种改性钛酸铋钠-钛酸钡基陶瓷材料及制备方法、应用
GE WENWEI (author) / TANG HAOYU (author)
2024-12-13
Patent
Electronic Resource
Chinese
| European Patent Office | 2020
| European Patent Office | 2015
| European Patent Office | 2024
| European Patent Office | 2021
| European Patent Office | 2024