The invention is a double layer passivation film structure with excellent corrosion resistance in neutral or acidic environments. It has good potential to be used as anode materials for water electrolysis in environment which requires excellent mechanical properties and high corrosion resistance
Electrolysis of water is the main method of hydrogen production. The efficiency of hydrogen production in alkaline environments is far inferior to that in neutral environments and it is necessary to find a low-cost anode material that can be used in neutral or acidic environments and is resistant to high potential corrosionfor electrolytic water equipment.
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