Performance of a magnesium–lithium alloy as an anode for magnesium batteries

Sivashanmugam, A.; kumar, T. Prem; Renganathan, N. G.; Gopukumar, S.
November 2004
Journal of Applied Electrochemistry;Nov2004, Vol. 34 Issue 11, p1135
Academic Journal
In this work, we describe an evaluation of an Mg–Li alloy (Li: 13 wt %) for possible use in magnesium primary reserve batteries. Higher OCP for the Mg–Li alloy have been observed in 2 M MgCl2 and MgBr2 electrolyte. The corrosion rate of the Mg–Li alloy is found to be in the order: MgCl2 < Mg(COOCH3)2 < MgSO4 < MgBr2 < Mg(ClO4)2. Mg–Li alloys exhibit higher (81%) anodic efficiencies even when the current density is increased to 8.6 mA cm -2. It has been observed that Mg–Li/MgCl2/CuO cells offer higher operating voltage and capacity than those with the conventionally used Mg–Al alloy.


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