一种电解用阳极合金板
By preparing a NiCrAlY bonding layer and a catalytic anti-corrosion coating on the surface of a lead-based anode plate, the problems of short service life and general catalytic activity of lead-based anode alloy plates for zinc electrolysis in Cl-, F- and other ion environments are solved, achieving excellent catalytic anti-corrosion performance and extended service life.
CN121653556BActive Publication Date: 2026-07-17GUIZHOU KAILI METALLURGICAL PLANT
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- GUIZHOU KAILI METALLURGICAL PLANT
- Filing Date
- 2026-01-05
- Publication Date
- 2026-07-17
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Figure SMS_1
Abstract
本发明涉及等离子喷涂或电解锌领域，具体涉及一种电解用阳极合金板；向PbO2涂层中掺入RuO2可以显著降低其析氧电位，进而提高其催化活性。研究表明，随着RuO2含量的增加，催化防腐涂层的催化活性持续提高，但是，过多的RuO2会导致其腐蚀速率也提高，进而不利于阳极板的使用寿命，因此，需将催化防腐涂层中RuO2的占比控制在5.2wt%‑12.1wt%。另外，本发明选用包含稀土元素的NiCrAlY作为衬底与催化防腐涂层之间的粘结层，可以显著提高其结合强度，延长阳极合金板的使用寿命。
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Citation Information
Patent Citations
Preparation method of anticorrosive coating on surface of electrolytic zinc anode plate
CN108754395A