This type of battery was proposed in South Africa in the 1980s, and is also called ZEBRA batteries. This battery is essentially a molten salt battery, which uses molten salt as an electrolyte to achieve the charge conduction of the internal circuit, mainly including NiCl2, FeCl2, ZnCl2 and NaAlCl4, etc., the middle uses β-Al2O3 as a diaphragm to prevent internal short circuit, positive NiCl2 negative molten Na metal,
The runtime reaction is note: A close relative of this kind of battery is sodium-sulfur battery (has been abroad, especially Japan has a lot of precedents for industrial energy storage applications), both of these batteries are salt-melting batteries, common characteristics are to operate at a certain temperature (not room temperature), 300oC or so is very normal operation, because only the temperature is high to a certain extent, the salt can be molten to achieve the conduction of sodium ions. And the sodium metal in it is already molten. Compared with its relative sodium-sulfur batteries, sodium-nickel batteries have several advantages: less corrosive metal halides, high safety and resistance to overcharge. But the downside is that the energy density is not very impressive