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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Ni在NaCl-KCl-PrCl_3熔体中的电化学合金化
, PP. 65-68
Keywords: 电化学合金化,Pr-Ni合金,熔盐电化学
Abstract:
用循环伏安法、恒电位电解断电后的电极电位—时间曲线、电位阶跃法以及X射线衍射法,研究了Pr(Ⅲ)在NaCl—KCl—PrCl_3熔体中在Ni电极上还原的电极过程,首先生成PrNi_5,随后依次生成含Pr量较多的Pr—Ni金属间化合物,然后才析出金属Pr,测得PrNi_5在1023,1073和1123K的标准生成自由能分别为-123.6,-118.9和-114.4kJmol~(-1);Pr在PrNi_5相中的扩散系数为3×10~(-11)cm~2s~(-1)(1073K)
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