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Fluorescence can lead to very long-lasting EV batteries

December 7, 2018 Science 1 Views Fluoride ion batteries work essentially in the opposite direction of lithium-ion cells and attract…

Fluoride ion batteries work essentially in the opposite direction of lithium-ion cells and attract electrons instead of throwing them. Flourid (ionized version of fluoride) is an interesting battery material because it has a low atomic weight and very high capacity to store electrons. To do that, you must solve the fluoride ions in an electrolyte, and researchers have found that it only works with solid electrolytes heated to high temperatures.

To get around, the Honda / NASA / Caltech team created a liquid electrolyte called BTFE that allows fluorine to dissolve at room temperature. With two positively charged areas utilizing the “opposites attracts” the principal, reacts strongly to negatively charged fluorine.

The researchers parade the electrolyte with a copper, lanthanum and fluorine to create a prototype battery that can reverse chemical reactions (even recharging) at room temperature. All in all, the batteries have a potential for ten times the energy density of lithium-ion batteries and would have a “more favorable environmental impression”, according to Honda.

However, we have heard this kind of thing many times before, so the usual precautions and precautions apply. For example, the team must find out how to stabilize the anodes and cathodes, which tend to dissolve completely in the electrolyte. They are doing a bit of speed, but further testing is currently under way &#821

1; so hopefully we will not be disappointed once more by batteries that work well in laboratories but not cars.


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