Abstract

Nickel Powders were synthesized by the reduction of <TEX>$Ni(OH)_2$</TEX> reactant slurries from nonaqueous media, and the morphological characteristics of nickel powders with the addition of NaOH, the composition of mixed solvents, reaction temperature and reaction time were investigated. The NaOH addition changed the structure of agglomeration in the submicron range. As the volume ratio of TEA to DEA increased, the powders slightly suppressed the agglomeration between particles and their size increased. The reaction temperature on size and shape of nickel powders was significant. As reaction time was shortened from 40 min to 0.3 min at <TEX>$220^{\circ}C$</TEX>, size distribution of nickel powders was transferred to a narrow size distribution owing to the presence of smaller particles with below <TEX>$1.0\;{\mu}m$</TEX>.

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