comparison of Na ion battery and lithium ion battery - Wenqing-Cai/Na-ion-Battery GitHub Wiki
Lithium is also non-uniformly spread within the Earth’s crust, sparking rumours that Andean South American countries could soon be the ‘new Middle-East’. If all cars are to become electric within 50 years, fears of a crunch in lithium resources — and thus a staggering price increase such as that faced today with fossil fuels — are permeating.
Ref: Tarascon, Jean-Marie (2010): Is lithium the new gold? In: Nature chemistry 2 (6), S. 510. DOI: 10.1038/nchem.680