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In the course of hydrometallurgy, the direction and kinetics of electrode process,the structure patterns of the electrode and electrolytic bath and the lifetime of electrolytic bath, etc.depend on the performance of electrode materials to a great extent, so the choice of the electrode materials is particularly important.The electrode materials used as electrolytic industry must meet the following performance such as good conductivity,mechanical intensity and corrosion resistance, long using life and excellent catalytic activity to the electrode and so on.