Method for preparing Fe-element doped barium cerate solid electrolyte by using sol-gel self-combustion method
A technology of solid electrolyte and self-combustion method, which is applied in the direction of fuel cells, circuits, electrical components, etc., can solve the problems of high cost of use and affect the progress of industrialization, and achieve the effect of improved electrical conductivity and good electrical conductivity
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[0030] A method for preparing Fe element-doped barium cerate solid electrolyte by sol-gel self-combustion method, the steps are as follows:
[0031] ①, according to the preparation of the product BaCe 1-x Fe x o 3-x The proportion of metal elements in the medium is accurately weighed on the electronic balance for the calculated Ce(NO 3 ) 3 ·6H 2 O, Ba(NO 3 ) 2 , Fe(NO 3 ) 3 9H 2 O respectively dissolve them in a beaker containing 100 mL of distilled water in turn, and stir to obtain a mixed solution. In Example 1, a total of 6 groups of experiments were carried out, corresponding to the values of x in the product being 0, 0.1, 0.2, 0.25, 0.3, and 0.4.
[0032] ②. Add citric acid and ethylene glycol to the mixed solution. The amount of citric acid added is 1.5 times that of the total amount of metal ions, and the amount of ethylene glycol added is 1.2 times the amount of citric acid. After weighing, add Stir well in the mixed solution.
[0033] ③. Add ammonia wate...
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