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by trhway 3237 days ago
it is called battery charging :). Basically it is making the fuel - Li - out of the ash - lithium oxide. The amount of Li and available for "burning" oxygen in the current batteries is very small and where is no principal reasons it can't be increased 10-fold to something like 10% by weight (especially in the metal-air schemes) at which moment it will leave gasoline engines well behind in all respects.