The electrolyte is sodium aluminum and chlorine, which sounds pretty different than sodium-ion. https://www.sciencedirect.com/science/article/pii/S266638642200

The electrolyte is sodium aluminum and chlorine, which sounds pretty different than sodium-ion. https://www.sciencedirect.com/science/article/pii/S2666386422000911 https://www.sciencedirect.com/science/article/pii/S266638642... The PNNL article is somewhat better than the current link. https://www.pnnl.gov/news-media/freeze-thaw-battery-adept-preserving-its-energy https://www.pnnl.gov/news-media/freeze-thaw-battery-adept-pr...