Comment BS Article (Score 1) 73
Batteries all used to have an aqueous electrolyte. After all, that is what "wet cells" are. And you can still buy NiMH cells - they last pretty well, and they have absolutely no fire risk. They are also expensive and have low energy density.
Why would you want to go back to those days? It is nice that they got magnesium to work, which means slightly higher voltage and energy, but I just do not see these being competitive against LPF, LMFP or sodium batteries, which all have great fire safety.