Method for preparing nano-grade rutile phase RuO2-SnO2 oxide
A rutile phase, ruo2-sno2 technology, applied in the field of electrochemistry, can solve the problems of unsatisfactory comprehensive performance of titanium anodes and difficulties in technology promotion, and achieve the effect of convenient operation and simple process
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Embodiment 1
[0024] Weigh 1mol of SnCl 4 ·6H 2 O was completely dissolved in absolute ethanol, 3 mol of citric acid was weighed and completely dissolved in ethanol, and then SnCl 4 The ethanol solution was added dropwise to the citric acid ethanol solution to form a mixed solution and stirred thoroughly; 1moRuCl was weighed 3 ·3H 2 Put O into a beaker, immediately dilute it with ethanol until it is completely dissolved, heat and stir, weigh 3mol of citric acid and dissolve it in ethanol completely, then dissolve RuCl 3 The ethanol solution was dropped into the mixed solution of citric acid and ethanol at a rate of 30 drops / min, stirred thoroughly, and kept at 60° C. for more than 3 hours. The SnO formed above 2 and RuO 2 The solution was mixed according to the required molar ratio (see Table 1), continued to stir for more than 3 hours, and stood for 24 hours. The above coating solution was dried at 80°C and sintered at 400°C for 1 h. The structure size and specific surface area of ...
Embodiment 2
[0029] Weigh 1mol of SnCl 2 ·2H 2 O was completely dissolved in absolute ethanol, 3 mol of citric acid was weighed and completely dissolved in ethanol, and then SnCl 2 The ethanol solution was added dropwise to the citric acid ethanol solution to form a mixed solution and stirred thoroughly; 1 mol RuCl was weighed 3 ·3H 2 Put O into a beaker, immediately dilute it with an appropriate amount of ethanol until it is completely dissolved, heat and stir, weigh 3 mol of citric acid and dissolve it in ethanol completely, then dissolve the RuCl 3 The ethanol solution was dropped into the mixed solution of citric acid and ethanol at a rate of 30 drops / min, stirred thoroughly, and kept at 60° C. for more than 3 hours. The above is formed into SnO 2 and RuO 2 The solution was mixed according to the required molar ratio (see Table 2), continued stirring for more than 3 hours, and allowed to stand for 24 hours. The above coating solution was dried at 80°C and sintered at 400°C for 1 ...
Embodiment 3
[0033] Weigh 0.5mol of SnCl 2 ·2H 2 O was completely dissolved in absolute ethanol, 1.5mol of citric acid was weighed and completely dissolved in ethanol, and then SnCl 2 The ethanol solution was added dropwise to the citric acid ethanol solution to form a mixed solution and stirred well; 0.5mol of SnCl was weighed 4 ·6H 2 O was completely dissolved in absolute ethanol, 1.5mol of citric acid was weighed and completely dissolved in ethanol, and then SnCl 4 The ethanol solution was added dropwise to the citric acid ethanol solution to form a mixed solution and stirred thoroughly; 1 mol RuCl was weighed 3 ·3H 2 Put O into a beaker, immediately dilute it with an appropriate amount of ethanol until it is completely dissolved, heat and stir, weigh 3 mol of citric acid and dissolve it in ethanol completely, then dissolve the RuCl 3 The ethanol solution was dropped into the mixed solution of citric acid and ethanol at a rate of 30 drops / min, stirred thoroughly, and kept at 60° C....
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