镧镍合金

镧镍合金是镧和镍之间形成的合金，存在LaNi5、La2Ni7、LaNi2、LaNi3、La2Ni3、LaNi和La3Ni等多种相。Picard, G. S.; Mottot, Y. E.; Tremillon, B. L. Study on electrowinning of solid lanthanum-nickel alloys in lithium chloride-potassium chloride eutectic melt. Proceedings - Electrochemical Society, 1984. 84-2. pp 585-602.

LaNi5

LaNi5是一种金属间化合物，具有CaCu5结构，属六方晶系。Zhang, Yang-huan; Li, Peng-xin; Yang, Tai; Zhai, Ting-ting; Yuan, Ze-ming; Guo, Shi-hai. Effects of substituting La with M (M=Sm, Nd, Pr) on electrochemical hydrogen storage characteristics of A2B7-type electrode alloys. Transactions of Nonferrous Metals Society of China, 2014. 24(12): 4012-4022. DOI:10.1016/S1003-6326(14)63563-9它在200°C以上可以被空气氧化。在20°C以上可以和盐酸、硫酸或硝酸反应。Goncharuk, A. B.; Endrzheevskaya, S. N. Stability of lanthanum nickel (LaNi5) intermetallide in liquid and gaseous media. Poroshkovaya Metallurgiya (Kiev), 1980. 8: 77-79可用作加氢反应的催化剂。Imamura, Hayao; Kato, Yuzo; Yamada, Kazuhiro; Tsuchiya, Susumu. Preparation and properties of Raney catalysts from rare earth intermetallic compounds. Applied Catalysis, 1986. 27(2): 243-256. DOI:10.1016/S0166-9834(00)82921-8吴富英, 安越, 宋林,等. 氟处理后的镧镍五对乙基咔唑的催化加氢性能[J]. 化学反应工程与工艺, 2015, 31(5):407-411.

其它化合物
除了LaNi5之外，还有La2Ni7、LaNi2、LaNi3、La2Ni3、LaNi和La3Ni等多种整比化合物及LaNi2.286（四方晶系，空间群I4̄2m）等非整比化合物。LaxNiy中的镍原子也可以被其它原子取代，如LaNi2.5Co2.5。Sakai T, Miyamura H, Kuriyama N, et al. The influence of small amounts of added elements on various anode performance characteristics for LaNi2. 5Co2. 5-based alloys[J]. Journal of the Less common Metals, 1990, 159: 127-139.
参考文献

参见
 合金列表

Category:镧合金
Category:镍合金
category:金属间化合物
Category:镍化合物
Category:镧化合物