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Aluminum-air battery is easy to manufacture, in order to recharge it you need to replace aluminum electrodes and hydrochloride electrolyte, it allows you to use electricity where there is no outlet at all.
From the media:
An air-aluminum battery with an operating voltage of 0.7 to 0.8 V, producing 400 to 800 mA of current per cell, has a theoretical energy level per unit volume of about 8100 W * h / kg. This is the second indicator from the maximum for batteries of various types. The theoretical energy level per unit volume in ion-lithium batteries is 120-200 W * h / kg. This means that in air-aluminum batteries, theoretically, capacity can exceed this indicator of ion-lithium analogs by more than 40 times.
In Phinergy, meanwhile, they are experimenting with a "rechargeable" air-zinc battery. It generally works for thousands of hours without any special chemical degradation, since zinc oxidation is a reversible process.
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