Method for preparing cobalt and zinc doped nickel hydroxide composite electrode material through electrodeposition

The invention provides a method for preparing a cobalt and zinc doped nickel hydroxide composite electrode material through electrodeposition and relates to a method for preparing a doped nickel hydroxide composite electrode material. The method provided by the invention is mainly used for solving the following technical problems: the pure nickel hydroxide has poor cycle stability and the existing composite process is complex and the like. The method comprises the following steps: 1. cleaning a foamed nickel base material, preparing a sheet by use of the material and drying the sheet for later use; 2. mixing Ni(NO3)2.6H2O, Co(NO3)2.6H2O, Zn(NO3)2.6H2O, distilled water and ethanol and stirring the mixture to obtain an electrodeposition solution; and 3. taking the foamed nickel base material treated in the step 1 as a cathode and a graphite electrode as an anode to carry out electrodeposition in the electrodeposition solution to obtain the product. The method has the following beneficial effects: the electrode material is directly deposited on a base, thus omitting the coating procedure and the adhesive and ensuring the electrode material to be uniformly distributed on the base; the method has simple process and low cost and is practical; and the prepared electrode material has excellent electrochemical property.