Cd|KOH|NiOOH

Zn|NH4CI|MnO2

Li|LiClO4|MnO2

Pb|H2SO4|PbO2

H2|KOH|O2

Influence of the copper binder on the electrochemical properties of LaNi5-based metal-hydride electrodes

The paper studies how the efficiency of LaNi5 and LaNi4.75Al0.25, «-based metal-hydride electrodes is influenced by the copper binder introduced into their active mass in different ways: as powder (5, 10, and 20 wt %) and by means of chemical coppering the inter-metallide particles (7, 14, and 21 wt %). The copper binder introduction is shown to increase tire efficiency of both the charging process and discharge capacity, to extend the current density range where complete (100%) performance reversibility takes place.

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