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金属学报  2005 

电脱氧法制备铌用Nb2O5阴极活性的改进

, PP. 551-555

Keywords: ,熔盐,电脱氧,添加剂

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Abstract:

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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