A kind of preparation method of the active titanium-based electrode plate of high stable coating
An electrode plate, titanium-based technology, applied in the field of electrochemistry, can solve the problems of easy cracking and falling off of the coating, short life, easy passivation of the substrate, etc., to achieve multiple active sites, long life, and high electrocatalytic activity Effect
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Embodiment 1
[0028] like figure 1 As shown, an active titanium-based electrode plate with high stability coating comprises: a titanium substrate 1 , a multi-component metal active catalytic coating 2 and a dense metal oxide dense oxide protective layer 3 .
[0029] The preparation method of the active titanium-based electrode plate with the highly stable coating comprises the following steps:
[0030] (1) First, the titanium substrate is sandblasted and polished to remove oil and acid corrosion;
[0031] (2) respectively disperse titanium tetrachloride, ruthenium acetate, chloroiridic acid and graphene in 100ml isopropanol, and utilize spraying technology to transfer the mixed solution to the titanium substrate successively; Described titanium tetrachloride, ruthenium acetate , the mass ratio of chloroiridic acid and graphene is 20:11:3:3
[0032] (3) Dry the coated titanium substrate in an environment of 80°C, and then transfer it to a high-temperature furnace in an argon atmosphere of ...
Embodiment 2
[0037] like figure 1 As shown, an active titanium-based electrode plate with high stability coating comprises: a titanium substrate 1 , a multi-component metal active catalytic coating 2 and a dense metal oxide dense oxide protective layer 3 .
[0038] The preparation method of the active titanium-based electrode plate with the highly stable coating comprises the following steps:
[0039] (1) First, the titanium substrate is sandblasted and polished to remove oil and acid corrosion;
[0040] (2) with RuCl 3 As a precursor, it is dispersed in an ethanol solution of hydrochloric acid, and after aging and preheating, NaOH is added dropwise to obtain an electrolyte;
[0041] (3) Using titanium substrate as anode, platinum as auxiliary electrode, electrodeposition for 250min, control current 9mA / cm 2 , deposited to form water and ruthenium oxide titanium substrates.
[0042] (4) respectively disperse titanium tetrachloride, ruthenium trichloride, graphene oxide in isopropanol, ...
Embodiment 3
[0049] like figure 1 As shown, an active titanium-based electrode plate with high stability coating comprises: a titanium substrate 1 , a multi-component metal active catalytic coating 2 and a dense metal oxide dense oxide protective layer 3 .
[0050] The preparation method of the active titanium-based electrode plate with the highly stable coating comprises the following steps:
[0051] (1) First, the titanium substrate is sandblasted and polished to remove oil and acid corrosion;
[0052] (2) respectively disperse titanium dioxide, vanadium pentoxide, ruthenium trichloride, iridium tetrachloride in 100ml isopropanol, and utilize spraying technology to transfer the mixed solution to the titanium substrate in turn; The mass ratio of ruthenium chloride and iridium tetrachloride is 3:1:1:4
[0053] (3) Dry the coated titanium substrate in an environment of 85°C, and then transfer it to a high-temperature furnace in an argon atmosphere at 400°C for annealing for 10 minutes;
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