Hybrid molten/solid sodium anode for room/intermediate temperature electric vehicle battery
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United States of America Patent
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Aug 30, 2016
Grant Date -
Dec 4, 2014
app pub date -
May 30, 2014
filing date -
May 30, 2013
priority date (Note) -
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Abstract
A hybrid battery with a sodium anode is designed for use at a range of temperatures where the sodium is solid and where the sodium is molten. When the battery is at colder temperatures or when the vehicle is idle and needs to be “started,” the anode will be solid sodium metal. At the same time, the battery is designed such that, once the electric vehicle has been “started” and operated for a short period of time, heat is directed to the battery to melt the solid sodium anode into a molten form. In other words, the hybrid battery operates under temperature conditions where the sodium is solid and under temperature conditions where the sodium is molten.
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