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Method for preparing zirconium-yttrium-doped barium cerate powder by using molten salt and powder obtained by method
The invention relates to a method for preparing zirconium-yttrium-doped barium cerate powder from molten salt, wherein the method comprises the steps: providing barium nitrate, cerium nitrate, zirconyl nitrate and yttrium nitrate as reactants, and providing a mixed salt of potassium salt and sodium salt in a molar ratio of 1:1 as a molten salt medium; mixing a molten salt medium with the reactantsto obtain a mixture, wherein the mass of the molten salt medium is 1-5 times that of the reactants; sintering the mixture at the temperature of 850 DEG C and 950 DEG C for 5-10 h, and washing to remove the molten salt medium to obtain the zirconium-yttrium-doped barium cerate powder. The invention also relates to the zirconium-yttrium-doped barium cerate powder obtained by the method, the chemical general formula of the zirconium-yttrium-doped barium cerate powder is BaZr[0.8-x]Ce[x]Y[0.2]O[3-[delta]], x is more than 0 and less than 0.8, and delta is more than 0 and less than 0.5. The invention provides a fused salt method except a solid phase method and a liquid phase method for preparing the zirconium-yttrium-doped barium cerate powder. The fused salt method is low in synthesis temperature, short in reaction time, simple and convenient to operate and high in product purity.
本发明涉及一种利用熔盐制备锆钇掺杂的铈酸钡粉体的方法，其包括：提供硝酸钡、硝酸铈、硝酸氧锆和硝酸钇作为反应物，提供摩尔比为1:1的钾盐和钠盐的混合盐作为熔盐介质；将熔盐介质与反应物混合得到混合物，其中，熔盐介质的质量是反应物的质量的1‑5倍；在850℃‑950℃的温度下烧结混合物5‑10h，洗涤除去熔盐介质得到锆钇掺杂的铈酸钡粉体。本发明还涉及由此得到的锆钇掺杂的铈酸钡粉体，其化学通式为BaZr0.8‑xCexY0.2O3‑δ，其中，0＜x＜0.8，0＜δ＜0.5。本发明提供一种在固相法和液相法之外的熔盐法来制备锆钇掺杂的铈酸钡粉体，合成温度低、反应时间短、操作简便、产物纯度高。
Method for preparing zirconium-yttrium-doped barium cerate powder by using molten salt and powder obtained by method
The invention relates to a method for preparing zirconium-yttrium-doped barium cerate powder from molten salt, wherein the method comprises the steps: providing barium nitrate, cerium nitrate, zirconyl nitrate and yttrium nitrate as reactants, and providing a mixed salt of potassium salt and sodium salt in a molar ratio of 1:1 as a molten salt medium; mixing a molten salt medium with the reactantsto obtain a mixture, wherein the mass of the molten salt medium is 1-5 times that of the reactants; sintering the mixture at the temperature of 850 DEG C and 950 DEG C for 5-10 h, and washing to remove the molten salt medium to obtain the zirconium-yttrium-doped barium cerate powder. The invention also relates to the zirconium-yttrium-doped barium cerate powder obtained by the method, the chemical general formula of the zirconium-yttrium-doped barium cerate powder is BaZr[0.8-x]Ce[x]Y[0.2]O[3-[delta]], x is more than 0 and less than 0.8, and delta is more than 0 and less than 0.5. The invention provides a fused salt method except a solid phase method and a liquid phase method for preparing the zirconium-yttrium-doped barium cerate powder. The fused salt method is low in synthesis temperature, short in reaction time, simple and convenient to operate and high in product purity.
本发明涉及一种利用熔盐制备锆钇掺杂的铈酸钡粉体的方法，其包括：提供硝酸钡、硝酸铈、硝酸氧锆和硝酸钇作为反应物，提供摩尔比为1:1的钾盐和钠盐的混合盐作为熔盐介质；将熔盐介质与反应物混合得到混合物，其中，熔盐介质的质量是反应物的质量的1‑5倍；在850℃‑950℃的温度下烧结混合物5‑10h，洗涤除去熔盐介质得到锆钇掺杂的铈酸钡粉体。本发明还涉及由此得到的锆钇掺杂的铈酸钡粉体，其化学通式为BaZr0.8‑xCexY0.2O3‑δ，其中，0＜x＜0.8，0＜δ＜0.5。本发明提供一种在固相法和液相法之外的熔盐法来制备锆钇掺杂的铈酸钡粉体，合成温度低、反应时间短、操作简便、产物纯度高。
Method for preparing zirconium-yttrium-doped barium cerate powder by using molten salt and powder obtained by method
一种利用熔盐制备锆钇掺杂的铈酸钡粉体的方法以及由此得到的粉体
WANG JIANQIANG (Autor:in) / LIU ZE (Autor:in) / ZHANG LINJUAN (Autor:in)
11.12.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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