Liquid-phase synthetic K6.4Fe0.05Be0.2Al0.15Ti0.05Si1.6O7 potassium fast ion conductor and preparation method thereof
An ionic conductor, liquid phase synthesis technology, applied in chemical instruments and methods, iron compounds, inorganic chemistry, etc., to achieve the effect of reducing grain boundary voids
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Embodiment 1
[0011] Embodiment 1: the solid KNO 3 : Fe(NO 3 ) 3 9H 2 O:Al(NO 3 ) 3 9H 2 O according to K 6.4 Fe 0.05 be 0.2 Al 0.15 Ti 0.05 Si 1.6 o 7 The ratio of the stoichiometric molar ratio of the corresponding elements in the mixture is uniformly mixed, while vigorously stirring, add deionized water until all solid substances are dissolved, record the mass of the added deionized water, and then continue to add the recorded deionized water 1.1 times the quality of deionized water and stir evenly, then continue to stir and add 35wt% beryllium nitrate aqueous solution until the amount of beryllium in the solution system meets K 6.4 Fe 0.05 be 0.2 Al 0.15 Ti 0.05 Si 1.6 o 7 The stoichiometric ratio, and the amount of tartaric acid added is 1.5 times the total amount of all metal ions and fully stirred until completely dissolved; record this solution as solution A; will meet K 6.4 Fe 0.05 be 0.2 Al 0.15 Ti 0.05 Si 1.6 o 7 Tetraethyl orthosilicate and tetrabutyl ti...
Embodiment 2
[0012] Embodiment 2: the solid KNO 3 : Fe(NO 3 ) 3 9H 2 O:Al(NO 3 ) 3 9H 2 O according to K 6.4 Fe 0.05 be 0.2 Al 0.15 Ti 0.05 Si 1.6 o 7 The ratio of the stoichiometric molar ratio of the corresponding elements in the mixture is uniformly mixed, while vigorously stirring, add deionized water until all solid substances are dissolved, record the mass of the added deionized water, and then continue to add the recorded deionized water 1.5 times the quality of deionized water and stir evenly, then continue to stir and add 35wt% beryllium nitrate aqueous solution until the amount of beryllium in the solution system meets K 6.4 Fe 0.05 be 0.2 Al 0.15 Ti 0.05 Si 1.6 o 7 The stoichiometric ratio, and the amount of tartaric acid added is 2.5 times the total amount of all metal ions and fully stirred until completely dissolved; record this solution as solution A; will meet K 6.4 Fe 0.05 be 0.2 Al 0.15 Ti 0.05 Si 1.6 o 7 Tetraethyl orthosilicate and tetrabutyl ti...
Embodiment 3
[0013] Embodiment 3: the solid KNO 3 : Fe(NO 3 ) 3 9H 2 O:Al(NO 3 ) 3 9H 2 O according to K 6.4 Fe 0.05 be 0.2 Al 0.15 Ti 0.05 Si 1.6 o 7 The ratio of the stoichiometric molar ratio of the corresponding elements in the mixture is uniformly mixed, while vigorously stirring, add deionized water until all solid substances are dissolved, record the mass of the added deionized water, and then continue to add the recorded deionized water 1.2 times the quality of deionized water and stir evenly, then continue to stir and add 35wt% beryllium nitrate aqueous solution until the amount of beryllium in the solution system meets K 6.4 Fe 0.05 be 0.2 Al 0.15 Ti 0.05 Si 1.6 o 7 The stoichiometric ratio, and the amount of tartaric acid added is 2.1 times the total amount of all metal ions and fully stirred until completely dissolved; record this solution as solution A; will meet K 6.4 Fe 0.05 be 0.2 Al 0.15 Ti 0.05 Si 1.6 o 7Tetraethyl orthosilicate and tetrabutyl tit...
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