Effect of the modification of metal-hydride electrodes based on Ti2Ni alloys on their discharge characteristics

We have developed a new computerized PGStat-8 device for the high-cycle charge-discharge of electrodes under galvanostatic or potentiostatic conditions and, with its help, have investigated the charge-discharge characteristics of metal-hydride electrodes based on Ti-2 Ni-type alloys. We show the effect of partial replacement Ti -> Zr or V and Ni -> Co or Cu, modification with oxygen, homogenizing annealing, polymeric addition, and metallic binder on the discharge capacity and cyclic stability of the prepared metal-hydride electrodes.