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OSU team demonstrates concept of potassium-air battery as alternative to lithium-air systems

Green Car Congress

FEBRUARY 18, 2013

contrast with LiO 2 and NaO 2 , KO 2 is thermodynamically stable and commercially available. Potassium, an alkali metal similar to lithium (and sodium) can be used in a rechargeable battery. For comparison, they built a Li?O mA/cm 2 —the lowest ever reported in metal-oxygen batteries, according to the team. O 2 batteries.In

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Lithium Air Batteries Battery Concept 319
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Jülich, ORNL researchers advance high energy density iron-air batteries

Green Car Congress

NOVEMBER 18, 2017

Iron–air batteries, originally proposed in the 1970s, have theoretical energy densities of more than 1,200 Wh/kg; by comparison, present-day lithium-ion batteries come in at about 600 Wh/kg, and even less (350 Wh/kg) if the weight of the cell casing is taken into account. —Weinrich et al.

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Energy Batteries Battery Lithium Ion 170
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