Metal–air electrochemical cell
The Li–air battery discharge reaction between Li and oxygen Li2O, according to 4Li + O2 → 2Li2O, has an open-circuit voltage of 2.91 V and a theoretical specific energy of 5210 Wh/kg. Since oxygen is not stored in the battery, the theoretical specific energy excluding oxygen is 11140 Wh/kg (40.1 MJ/kg). Compare this to the figure of 44 MJ/kg for gasoline (see petrol energy content).
|Metal–air battery||Calculated open-circuit voltage, V||Theoretical specific energy, Wh/kg
|Theoretical specific energy, Wh/kg
- Metal Air Batteries, Half a Fuel Cell?
- "METAL-AIR BATTERIES Lithium, Aluminum, Zinc, and Carbon" (PDF). Retrieved 2013-04-04.
- "Electrically Rechargeable Metal-Air Batteries (ERMAB)". Retrieved 25 March 2012.
- "Batteries for Oxygen Concentrators".
- "Electrochemical properties of room temperature sodium–air batteries with non-aqueous electrolyte".
- "BASF investigating sodium-air batteries as alternative to Li-air; patent application filed with USPTO".
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