"The equivalent of 15 million cell phone batteries are needed to make one battery for an 80 kWh electric car. So, ramping up raw material inputs to build millions of car batteries a year fills the back of the envelope with scalability issues."
A cell phone has about 3g of lithium.
This person says an EV battery is the equivalent of 15 million cell phone batteries - so 15 million x 3 g = 45 million grams of lithium.
That's 45 tonnes of lithium per car.
No wonder they have scalability issues with their calculations!
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