Abstract
Effects of metal oxide additions on the electrochemical hydriding and dehydriding behavior of Mg 2Ni-type hydrogen storage alloy in 6 M KOH aqueous solution were investigated. The electrode characteristics of mechanically alloyed composites of Mg 1.9Y 0.1Ni 0.9Al 0.1–5 wt% MO (MO=Ag 2O, Fe 2O 3, MoO 3, RuO 2 and V 2O 5) were examined such as discharge capacity, high-rate dischargability and cycle life. The discharge capacity and high-rate dischargability were greatly increased by the modification with the oxide additions, but the cycle life decreased. The electrochemical performances were characterized using both dc polarization and ac impedance analysis techniques. The hydrogen diffusivity in the alloys was estimated by an electrochemical method.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
