Title: Effect of electroless plating nickel treatment on electrode properties of Zr-based AB2 type alloy
Abstract: An electroless plating nickel treatment was processed to improve the active behaviors and discharge capacities of Zr-based AB2 alloys. The effects of the nickel coating on the surface appearance, the structure of the alloy powders and the electrode characteristics were investigated. It is found that the Ni-rich layer formed through electroless plating nickel treatment plays an important role on the initial activation property and the discharge capacity of Zr-based alloy. The optimal content of electroless plating nickel is about 15 %, and the discharge capacity of the electrode can be increased to 400mA· h·g 1 after 6 cycles. Although coated nickel is beneficial for quick activation and discharge capacity, excessive electroless plating nickel can result in a decreased discharge capacity.
Publication Year: 2001
Publication Date: 2001-01-01
Language: en
Type: article
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