Anode for electrolytic evolution of chlorine
A technology of electrodes and electrolyzers, applied in the field of electrodes, can solve problems such as chlorine pollution and reduce overvoltage
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Embodiment 1
[0016] A 10 cm x 10 cm size titanium mesh sheet was blasted with corundum, and the residue was cleaned with a jet of compressed air. The sheet was then degreased using acetone in an ultrasonic bath for about 10 minutes. After drying, the sheet was dipped at about 100°C in a solution containing 250 g / l NaOH and 50 g / l KNO 3 in aqueous solution for about 1 hour. After alkaline treatment, the sheet was rinsed three times in deionized water at 60°C, changing the liquid each time. Add a small amount of HCl (approximately 1 ml per liter of solution) for a final rinse. Then it was air dried and due to the thin TiO x A brown-toned appearance was observed as the film grew.
[0017] 100 ml of a first hydroalcoholic solution comprising RuCl in a mixture of water and 2-propanol acidified with HCl was prepared 3 ·3H 2 O, H 2 IrCl 6 ·6H 2 O, TiCl 3 , having a molar composition of 30% Ru, 20% Ir and 50% Ti in terms of metal.
[0018] 100 ml of a second hydroalcoholic solution comp...
Embodiment 2
[0024] A 10 cm x 10 cm size titanium mesh sheet was blasted with corundum, and the residue was cleaned with a jet of compressed air. The sheet was then degreased using acetone in an ultrasonic bath for about 10 minutes. After drying, the sheet was dipped at about 100°C in a solution containing 250 g / l NaOH and 50 g / l KNO 3 in aqueous solution for about 1 hour. After alkaline treatment, the sheet was rinsed three times in deionized water at 60°C, changing the liquid each time. Add a small amount of HCl (approximately 1 ml per liter of solution) for a final rinse. Then it was air dried and due to the thin TiO x A brown-toned appearance was observed as the film grew.
[0025] 100 ml of a first hydroalcoholic solution comprising RuCl in a mixture of water and 2-propanol acidified with HCl was then prepared 3 ·3H 2 O, H 2 IrCl 6 ·6H 2 O, n-butyl titanate Ti(III), H 2 PtCl 6 , has a molar composition of 16.5% Ru, 9% Ir, 1.5% Pt, and 73% Ti in terms of metal.
[0026] 100...
Embodiment 3
[0032]A 10 cm x 10 cm size titanium mesh sheet was blasted with corundum, and the residue was cleaned with a jet of compressed air. The sheet was then degreased using acetone in an ultrasonic bath for about 10 minutes. After drying, the sheet was dipped at about 100°C in a solution containing 250 g / l NaOH and 50 g / l KNO 3 in aqueous solution for about 1 hour. After alkaline treatment, the sheet was rinsed three times in deionized water at 60°C, changing the liquid each time. Add a small amount of HCl (approximately 1 ml per liter of solution) for a final rinse. Then it was air dried and due to the thin TiO x A brown-toned appearance was observed as the film grew.
[0033] 100 ml of a first hydroalcoholic solution comprising RuCl in a mixture of water and 1-butanol acidified with HCl was then prepared 3 ·3H 2 O, H 2 IrCl 6 ·6H 2 O, TiOCl 2 , has a molar composition of 17% Ru, 10% Ir, and 73% Ti in terms of metal.
[0034] 100 ml of a second hydroalcoholic solution co...
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