This is not a forum to provide professional opinions, but nice...

This is not a forum to provide professional opinions, but nice try. What I will say is where are your NTSB reports, or something with credibility, where 1000s of crashes have been simulated, carried out and/or tested where Sodium has been empirically proven to be safer than Lithium. Oh no, don't tell me you are grabbing propaganda articles/publications that Sodium is safer!!!!!!!!!!!!!!

As for the energy density argument that Sodium can provide more energy density than Lithium, once again, you are really just chasing unicorns and rainbows. Sorry, but you have lost all credibility here now. Maybe ask your great white knight @Rob826 about whether he is with you on this argument!