Preparing method of iridium ruthenium zirconium ternary composite oxide inert anode
A ternary compound, inert anode technology, applied in the direction of electrodes, electrolysis process, electrolysis components, etc., to achieve good service life, good oxygen evolution catalytic activity, and simple preparation method process
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Embodiment approach 1
[0021] First, a 10mm×10mm×1mm titanium plate was alkali-washed at 60°C for 30 minutes, etched with 10% oxalic acid at 90°C for 2.5 hours, ultrasonically cleaned with deionized water for 10 minutes, and dried for later use.
[0022] Weigh a certain mass of RuCl 3 , H 2 IrCl 6 Miscible with tetrabutyl zirconate.
[0023] The miscible RuCl 3 , H 2 IrCl 6 The mixed solution with tetrabutyl zirconate is dissolved in a mixed solvent of n-butanol and isopropanol mixed in a ratio of 1:1 to obtain a coating solution. RuCl in coating solution 3 , H 2 IrCl 6 The molar concentrations of tetrabutyl zirconate and zirconate were 0.098, 0.042 and 0.060 mol / L, respectively.
[0024] The prepared coating solution was evenly coated on the surface of the pretreated titanium substrate with a brush, dried at 120°C for 10 minutes, sintered at 450°C for 10 minutes, taken out and cooled to room temperature. After the above steps were repeated 25 times, the anode plate was sintered at 450° C....
Embodiment approach 2
[0027] First, a 10mm×10mm×1mm titanium plate was alkali-washed at 60°C for 30 minutes, etched with 10% oxalic acid at 90°C for 2.5 hours, ultrasonically cleaned with deionized water for 10 minutes, and dried for later use.
[0028] Weigh a certain mass of RuCl 3 , H 2 IrCl 6 Miscible with tetrabutyl zirconate.
[0029] RuCl after standing 3 , H 2 IrCl 6 The mixed solution with tetrabutyl zirconate is dissolved in a mixed solvent of n-butanol and isopropanol in a ratio of 1:1 to obtain a coating solution. RuCl in coating solution 3 , H 2 IrCl 6 The molar concentrations of tetrabutyl zirconate and zirconate were 0.050, 0.050 and 0.100 mol / L, respectively. .
[0030] The prepared coating solution was evenly coated on the surface of the pretreated titanium substrate with a brush, dried at 120°C for 15 minutes, sintered at 500°C for 15 minutes, taken out and cooled to room temperature. After repeating the above steps 25 times, the anode plate was sintered at 500° C. for ...
Embodiment approach 3
[0033] First, a 10mm×10mm×1mm titanium plate was alkali-washed at 60°C for 30 minutes, etched with 10% oxalic acid at 90°C for 2.5 hours, ultrasonically cleaned with deionized water for 10 minutes, and dried for later use.
[0034] Weigh a certain mass of RuCl3 、H 2 IrCl 6 Miscible with tetrabutyl zirconate.
[0035] RuCl after standing 3 、H 2 IrCl 6 The mixed solution with tetrabutyl zirconate is dissolved in a mixed solvent of n-butanol and isopropanol mixed in a ratio of 1:1 to obtain a coating solution. RuCl in coating solution 3 、H 2 IrCl 6 The molar concentrations of zirconate and tetrabutyl zirconate were 0.042, 0.098 and 0.060mol / L, respectively.
[0036] The prepared coating solution was evenly coated on the surface of the pretreated titanium substrate with a brush, dried at 120°C for 15 minutes, then sintered at 400°C for 15 minutes, and cooled to room temperature after taking it out. After the above steps were repeated 25 times, the anode plate was sintered...
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