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Lithium versus vanadium
Lithium batteries are now common place in your phone or notebook. They are self-contained, storing their energy in cells that get hot. Vanadium flow batteries on the other hand, store their energy in tanks. Doubling the size of a lithium system doubles the price, according to Renewable Energy World, while with vanadium you just build a bigger tank and the cost per kilowatt hour goes down. Vanadium Redox batteries can be charged and discharged 35,000 times and could have a 35 year lifetime, while lithium batteries last around three to five years.
Read more about the metals that are needed for electric vehicles and battery storage
IG’s Jeremy Naylor spoke to three battery metals resource companies recently, two extracting lithium and one vanadium.