Formation of Ultrafine Metal Particles and Metal Oxide Precursor on Anodized Al by Electrolysis Deposition

Nickel was deposited by ac electrolysis deposition in the pores of the porous oxide film of Al produced by anodizing in phosphoric acid. Ultrafine rod-shaped Ni particles were formed in the pores. At the same time a film of Ni oxide precursor was developed on the surface of the porous oxide film. The Ni particles and the Ni oxide precursor were examined by SEM, TEM and X-ray diffraction. The thickness of the barrier layer of the porous oxide film was thin and it attributed to the formation of the metal particles, while the formation of the oxide precursor was associated with the surface pits which were developed in the pretreatment of Al.

铝电解惰性阳极材料的研究现状

针对铝工业现状,介绍近年来人们在惰性阳极方面所做的研究,包括金属惰性阳极、金属陶瓷、金属氧化物陶瓷、氧化铈涂层等。着重介绍了国内对金属陶瓷惰性阳极材料的研究现状。