The resistivity of silver coated nickel powder is the lowest at pH = 12, cHCHO/cCu2+= 3, mCu/mAg = 0.3. SEM photos and EDS diagram show that the surface of the silver coated powder is smooth and even.

• 当镀液中pH=12；cHCHO/cCu2+=3；mCu/mAg=0.；3时；所得的银包镍粉电阻率最低。