> The main problem here is that it's still dependent on Lithium, and we've really got to get off that. Yeah, I'm more interested in other salt batteries for th

> The main problem here is that it's still dependent on Lithium, and we've really got to get off that. Yeah, I'm more interested in other salt batteries for thermal storage with high delta_k combined with efficient thermoelectric couples but it seems like big money is behind all things Li electrochemical for the forseable future.