针对传统氯化钴电沉积工艺阳极产氯的缺陷,采用双膜三室电解槽进行电沉积钴.通过测定各隔室中的电解液成分变化深入研究电沉积过程的离子传输行为.结果表明:在电场与浓度梯度作用下,阴极液的氯离子与阳极液的氢离子可经电迁移与扩散进入中隔室形成盐酸,盐酸浓度可达1 mol/L;并同时阻止阳极析氯,实现产酸抑氯同步化.
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