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this post was submitted on 25 Jul 2023
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Technology
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CATL and BYD have already shipped the Sodium Ion batteries that cost nearly a third of LiPho and half that of Li-ion at similar densities, you can buy cells and cars in China already.
They also both have cells and cars out next year with a 2x density Li-ion, it's already been showcased so we know it exists but it's not on sale yet. By the time Toyota ships these Chinese companies will have been in market with a comparable product for many years. Sodium ion will do great for existing range and replace LiPho for power storage and the new Li-ion will be used in high range cars and probably replace all Li-ion in everything where density is preferable to price.
How do they manage that you need more sodium to store comparable amount of energy? Larger size?