在用于熔盐电脱氧制备金属铌的Nb2O5固体阴极中添加石墨粉和CaCO3粉,研究了经烧结后阴极的成分及形貌,考查了添加剂对电脱氧反应的影响.研究结果表明:在Nb2O5固体阴极中添加适量的石墨粉或CaCO3粉可以增加烧结后阴极片的氧空位、影响Nb2O5颗粒尺寸的大小,从而提高阴极的电化学反应活性,加快电解反应的进行.
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