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Inicio  /  Batteries  /  Vol: 3 Núm: 3 Par: Septemb (2017)  /  Artículo
ARTÍCULO
TITULO

C14 Laves Phase Metal Hydride Alloys for Ni/MH Batteries Applications

Kwo-Hsiung Young    
Shiuan Chang and Xinting Lin    

Resumen

C14 Laves phase alloys play a significant role in improving the performance of nickel/metal hydride batteries, which currently dominate the 1.2 V consumer-type rechargeable battery market and those for hybrid electric vehicles. In the current study, the properties of C14 Laves phase based metal hydride alloys are reviewed in relation to their electrochemical applications. Various preparation methods and failure mechanisms of the C14 Laves phase based metal hydride alloys, and the influence of all elements on the electrochemical performance, are discussed. The contributions of some commonly used constituting elements are compared to performance requirements. The importance of stoichiometry and its impact on electrochemical properties is also included. At the end, a discussion section addresses historical hurdles, previous trials, and future directions for implementing C14 Laves phase based metal hydride alloys in commercial nickel/metal hydride batteries.

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Revista: Batteries