Lithium-ion batteries have an average energy density of 200-300 Wh/kg. This is 700 Wh/kg. Double the energy density one more time and you are 1/3 on the way to the energy density of TNT (4600 Wh/kg). Yes, your battery would become a bomb-like something. This is why high energy density Lithium-ion batteries are usually used in the military only.
By replacing traditional oxygen and nitrogen solvents with a novel fluorine-based design, researchers have developed an electrolyte that drastically improves battery performance in freezing conditions.
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