Preparation method of efficient electrode plate
An electrode plate and high-efficiency technology, applied in the field of electrode plates, can solve the problems of inability to poison electrodes, decrease in chlorine production efficiency, and purification, and achieve the effects of slowing down diffusion and penetration, prolonging service life, and improving oxygen evolution potential
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Embodiment 1
[0019] Embodiment 1: a kind of preparation method of high-efficiency electrode plate,
[0020] (1) Preparation of the base material: select a titanium plate made of TA1 as the base material, and degrease the base material;
[0021] (2) Surface treatment of the base material: Sand wash the base material after degreasing treatment, use 24-mesh white corundum for sand washing, wash and dry after sand washing, pickling after washing and drying, pickling When using 10% oxalic acid solution to pickle for 60 minutes, after pickling, wash and dry to obtain the pretreated substrate;
[0022] (3) Coating the base layer: brush the precursor solution A on the surface of the pretreated substrate, the precursor solution A is metal Ir and Ta, the molar ratio of Ir:Ta is 1.8:1, and the brushing amount is 1g / m 2 , After brushing, it is surface-dried at 60°C and then placed in a high-temperature furnace for sintering to obtain the base substrate. The sintering temperature in the high-temperatu...
Embodiment 2
[0026] Embodiment 2: a kind of preparation method of high-efficiency electrode plate,
[0027] (1) Preparation of the base material: select a titanium plate made of TA2 as the base material, and degrease the base material;
[0028] (2) Surface treatment of the base material: Sand wash the base material after degreasing treatment, use 24-mesh white corundum for sand washing, wash and dry after sand washing, pickling after washing and drying, pickling When using 12% oxalic acid solution to pickle for 45min, after pickling, wash and dry to obtain the pretreated substrate;
[0029] (3) Coating the base layer: Brush the precursor solution A on the surface of the pretreated substrate, the precursor solution A is metal Ir and Ta, the molar ratio of Ir:Ta is 2.2:1, and the brushing amount is 3g / m 2 , After brushing, it is surface-dried at 80°C and then placed in a high-temperature furnace for sintering to obtain the base substrate. The sintering temperature in the high-temperature fu...
Embodiment 3
[0033] Embodiment 3: a kind of preparation method of high-efficiency electrode plate,
[0034] (1) Preparation of the base material: select a titanium plate made of TA2 as the base material, and degrease the base material;
[0035] (2) Surface treatment of the base material: Sand wash the base material after degreasing treatment, use 24-mesh white corundum for sand washing, wash and dry after sand washing, pickling after washing and drying, pickling When using 15% oxalic acid solution to pickle for 30~60min, after pickling, wash and dry to obtain the pretreated substrate;
[0036] (3) Coating the base layer: Brush the precursor solution A on the surface of the pretreated substrate, the precursor solution A is metal Ir and Ta, the molar ratio of Ir:Ta is 2.6:1, and the brushing amount is 5g / m 2 , After brushing, it is surface-dried at 100°C and then placed in a high-temperature furnace for sintering to obtain the base substrate. The sintering temperature in the high-temperatur...
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