Electrode material and preparation method thereof, electrode and preparation method thereof, and electrolytic cell

The invention provides an electrode material and a preparation method thereof, an electrode and a preparation method thereof, and an electrolytic bath, and relates to the field of surface treatment of metal materials. The preparation method of the electrode material comprises the following steps: mixing nickel oxide powder, aluminum powder and an adhesive, and carrying out sintering treatment to obtain aluminum-nickel oxide sintered particles; and mixing the aluminum-nickel oxide sintered particles with a nickel salt complexing solution, and carrying out reduction reaction to obtain the electrode material. The prepared electrode material contains nickel oxide, can play a stabilizing role in the reverse current impact process, improves the reverse current resistance of the electrode, and prolongs the service life of the electrode. 本申请提供一种电极材料及其制备方法、电极及其制备方法和电解槽，涉及对金属材料的表面处理领域。电极材料的制备方法包括：将氧化镍粉、铝粉和胶粘剂混合，进行烧结处理，得到铝-氧化镍烧结颗粒；将铝-氧化镍烧结颗粒与镍盐络合溶液混合，发生还原反应，得到电极材料。本申请制备的电极材料包含氧化镍，可以在反向电流冲击的过程中起到稳定作用，提高电极的抗反向电流能力，延长电极的使用