“…There are also five common battery technologies that use the nickel-electrode: nickel-iron (NiFe), nickel-cadmium (NiCd), nickel-hydrogen (NiH 2 ), nickel-metal hydride (NiMH), and nickel-zinc (NiZn). Of these, NiCd, NiMH, and lithium ion are the most common and well-known for low voltage consumer electronics (Schainker, 2004;Sun et al, 2011;Barton and Infield, 2004;Hussein et al, 2010;Cimuca et al, 2006Cimuca et al, , 2010Wadi et al, 2004;Bayoumi, 2004b;Soliman et al, 2008;Awadallah et al, 2009). …”