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电化学  2001 

铅镧和铅钐合金在硫酸溶液中生长的阳极膜性质的研究

, PP. 439-444

Keywords: Pb,PbLa,PbSm,阳极Pb(Ⅱ)膜

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Abstract:

应用交流伏安法和线性电位扫描法研究了Pb,Pb1.0at%La和Pb1.0at%Sm电极在硫酸溶液中以0.9V(vs.Hg/Hg2SO4)生长的阳极Pb(Ⅱ)膜增长率和膜的阻抗实部变化,并采用循环伏安法研究了它们在0.6~1.6V(vs.Hg/Hg2SO4)间的循环伏安特性,结果表明:在铅中添加Sm有利于抑制铅的阳极腐蚀和降低阳极Pb(Ⅱ)膜的阻抗,La亦可降低阳极Pb(Ⅱ)膜的阻抗,但其作用不如Sm明显

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