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BLACK CHROME COVER FOR SOLAR SELECTIVE LAYERS FOR SOLAR COLLECTORS
BLACK CHROME COVER FOR SOLAR SELECTIVE LAYERS FOR SOLAR COLLECTORS
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机译:用于太阳能集热器的太阳能选择性层的黑色铬覆盖物
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摘要
A black chrome electrolyte for the formation of selective layers for solar collectors electrolyte comprising chromium trioxide (CrO3), fluorosilic acid (H2SiF6) as a catalyst and soidum molybdate (Na2MoO4. 2H2O). A substrate is brought into contact with the electrolyte at a current density of 0.40 to 0.60 Acm-2 and a bath temperature of less than 20 DEG C. for 15 to 30 secs.
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