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Function of Co and Mn in the LaNi_5 Hydrogen-Storage Alloy
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TG139.7

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    Abstract:

    The LaNi5 alloy is a typical hydrogen-storage material. On the basis of the empirical electron theory of solids andmolecules (EET), the valence electron structures of the LaNi5 alloy and bond energies of main bonds between upper strata andlower strata for substitution of Co andor Mn for partial Ni in the LaNi5 alloy are calculated. The results indicate that these bondenergies increase when Mn is subslituted for Ni2, or Co is substituted for Ni, or Ni2. When both Mn and Ni are substituted forNi, the bond energies increase greatly. as a result of which the lifetime of the LaNi5 alloy increases.

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[Qian Cunfu, Du Hao, Wang Hongxiang. Function of Co and Mn in the LaNi_5 Hydrogen-Storage Alloy[J]. Rare Metal Materials and Engineering,1999,(6):368~370.]
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