Electrochemical Studies on LaNi5 − x Sn x Metal Hydride Alloys

Studies on the electrochemical properties of MlNi Co Al hydride 4 . 3 2 x x 0 . 7 alloy electrodes

In this paper, the electrochemical properties of MlNi Co Al electrode alloys, including high rate dischargeability, exchange 4.32x x 0.7 current density I , limiting current density I , and diffusion coefficient of hydrogen in the hydride D by means of linear polarization, 0 L a anodic polarization, and electrochemical impedance spectroscopy were systematically studied. The results indicate tha...

فرآوری آلیاژهای Pb(1-x) Sn (x) Te و بررسی مشخصات ریزساختاری آنها

Comparison of C14- and C15-Predomiated AB2 Metal Hydride Alloys for Electrochemical Applications

Herein, we present a comparison of the electrochemical hydrogen-storage characteristics of two state-of-art Laves phase-based metal hydride alloys (Zr21.5Ti12.0V10.0Cr7.5Mn8.1Co8.0Ni32.2Sn0.3Al0.4 vs. Zr25.0Ti6.5V3.9Mn22.2Fe3.8Ni38.0La0.3) prepared by induction melting and hydrogen decrepitation. The relatively high contents of lighter transition metals (V and Cr) in the first composition resul...

Electrochemical compressor driven metal hydride heat pump

In this study, a new metal hydride heat pump system driven by an electrochemical compressor was proposed.The system uses the electrochemical compressor to generate absorption heating and desorption cooling in two identical LaNi5 reactors operating at different pressure levels. A thermodynamic model was developed to predict the system performance in terms of various parameters. Modeling shows EC...

Random anisotropy studies in amorphous Fe80-x+x’HoxB20-x’ alloys (0<x<16; 0<x’<4)

In this paper, we have carried out a systematic study of the exchange and anisotropy effects on magnetic behavior of amorphous Fe80-x+x’HoxB20-x’ (0<x<17; 0<x’<4) alloys. Primary analysis of magnetization data have led to the conclusion that the holmium magnetic structure is collinear. Exchange parameters, governing the magnetic ordering of our alloys, have been calculated from both mean field ...