Preparation and corresponding structure of nickel foam

A nickel foam with a three-dimensional reticulated structure has been prepa red by an electrodeposition technique. The microcrystalline structure of th e nickel layer was maintained following treatment in air at 600 degrees C f or 4 min. Sintering in a reductive decomposed NH3 atmosphere for 40 min, at either 980 or 850 degrees C, transformed the product into a compact nickel crystal with a flat surface and large crystal grains.