FIGURE 1. Comparison of the different battery technologies in terms of volumetric and gravimetric energy density.

From the following article:

Issues and challenges facing rechargeable lithium batteries

J.-M. Tarascon and M. Armand

Nature 414, 359-367(15 November 2001)

doi:10.1038/35104644

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The share of worldwide sales for Ni–Cd, Ni–MeH and Li-ion portable batteries is 23, 14 and 63%, respectively. The use of Pb–acid batteries is restricted mainly to SLI (starting, lighting, ignition) in automobiles or standby applications, whereas Ni–Cd batteries remain the most suitable technologies for high-power applications (for example, power tools ).

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