A kind of preparation method of stainless steel-based β-pbo2-sno2-ceo2-zro2 inert composite anode material
A -pbo2-sno2-ceo2-zro2, inert composite anode technology, applied in the field of metal surface treatment, can solve the problems of shortened service life, failure to reach the hardness of hexavalent chromium plating, and complicated manufacturing process, so as to improve stability and The effect of improving the service life, improving the quality of cathode products, and improving the electrocatalytic activity
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Embodiment 1
[0027] (1) Pre-treatment of stainless steel base material: use 120-grit sandpaper to polish the stainless steel base material, and then soak it in industrial alkaline degreasing agent for 2 minutes at 50°C to degrease; among them, the industrial alkaline degreasing agent contains 40g / L Trisodium Phosphate (Na 3 PO 4 ) and 15g / L sodium silicate (Na 2 SiO 3 ) mixed aqueous solution;
[0028] (2) Etching and activation of stainless steel substrates: immerse the pretreated stainless steel substrates in step (1) in an acidic system at room temperature for etching and activation for 80 seconds; wherein, the acidic system is composed of the following components by mass percentage: 20% nitric acid, 30% hydrochloric acid, 50% water;
[0029] (3) Preparation of stainless steel-based β-PbO by electrodeposition 2 -SnO 2 -CeO 2 -ZrO 2 Inert composite anode material: first prepare the plating solution, which is an aqueous solution containing the following components: lead nitrate 19...
Embodiment 2
[0031] (1) Pre-treatment of stainless steel base material: use 120-grit sandpaper to polish the stainless steel base material, and then soak it in industrial alkaline degreasing agent for 1 minute at 50°C to degrease; among them, the industrial alkaline degreasing agent contains 40g / L Trisodium Phosphate (Na 3 PO 4 ) and 15g / L sodium silicate (Na 2 SiO 3 ) mixed aqueous solution;
[0032] (2) Etching and activation of stainless steel substrates: immerse the pretreated stainless steel substrates in step (1) in an acidic system at room temperature for etching and activation for 70 seconds; wherein, the acidic system is composed of the following components by mass percentage: 15% nitric acid, 35% hydrochloric acid, 45% water;
[0033] (3) Preparation of stainless steel-based β-PbO by electrodeposition 2 -SnO 2 -CeO 2 -ZrO 2 Inert composite anode material: first prepare the plating solution, which is an aqueous solution containing the following components: 220g / L lead nitr...
Embodiment 3
[0035] (1) Pre-treatment of stainless steel base material: use 120-grit sandpaper to polish the stainless steel base material, and then soak it in industrial alkaline degreasing agent for 3 minutes at 50°C to degrease; among them, the industrial alkaline degreasing agent contains 40g / L Trisodium Phosphate (Na 3 PO 4 ) and 15g / L sodium silicate (Na 2 SiO 3 ) mixed aqueous solution;
[0036] (2) Etching and activation of stainless steel substrates: immerse the pretreated stainless steel substrates in step (1) in an acidic system at room temperature for etching and activation for 60 seconds; wherein, the acidic system is composed of the following components by mass percentage: Nitric acid 25%, hydrochloric acid 25%, water 55%;
[0037] (3) Preparation of stainless steel-based β-PbO by electrodeposition 2 -SnO 2 -CeO 2 -ZrO 2 Inert composite anode material: first prepare the plating solution, which is an aqueous solution containing the following components: 250g / L lead nit...
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