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Advantages of titanium anodes and their applications in daily life
创建于05.21
Titanium anodes are the anodes in titanium-based metal oxide coatings. Depending on their surface catalytic coatings, they have oxygen evolution and chlorine evolution functions respectively. Generally, electrode materials should have good electrical conductivity, small change in electrode distance, strong corrosion resistance, good mechanical strength and processing performance, long lifespan, low cost, and good electrocatalytic performance for electrode reactions. Currently, titanium is the metal that best meets the above comprehensive requirements, and industrial pure titanium TA1 and TA2 are generally used.
Types of titanium anodes: soluble anodes and insoluble anodes; titanium anodes for chlor-alkali industry; titanium anodes for electroplating; lead and lead alloy anodes; coated titanium anodes.
Advantages of titanium anodes:
1. Titanium anodes have a long working lifespan.
2. They can overcome the dissolution problems of graphite anodes and lead anodes.
3. They can increase the current density.
4. The adoption of metal anodes has improved the structure of the electrolytic cell, reduced power consumption, accelerated the chemical reaction of hypochlorite generating chlorate, thus improving production performance.
5. With the adoption of DSA, the design concepts and operating conditions of mercury method and diaphragm method salt electrolytic cells have been improved.
6. The anode size is stable, and the distance between electrodes does not change during the electrolysis process, ensuring that the electrolysis operation can be carried out under stable cell voltage.
7. They can avoid the short - circuit problem after the deformation of lead anodes, thereby improving the current efficiency.
8. Titanium anodes are lightweight, reducing labor intensity.
9. Switch manufacturing is easy and can be highly precise.
10. The working voltage is low, so the power consumption is small, saving power consumption.
11. In chlor - alkali production, after using titanium anodes, the product quality is high, the chlorine gas purity is high, without CO2, the alkali concentration is high, and steam for heating can be saved, reducing energy consumption.
12. They have strong corrosion resistance and can work in many electrolytic media with strong corrosion and special requirements.
13. The base metal titanium can be reused many times.
14. The emergence of metal anodes has enabled the design and industrialization of the latest ion - exchange membrane electrolysis technology emerging recently in the chlor - alkali industry.
Titanium anodes are mainly applied in electroplating (deep - hole and high - requirement copper electroplating and gold electroplating in the circuit board industry), electrolysis and other hydrometallurgy industries.
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