Very interesting technology. Seems simpler than the molten metal battery.

Liquid sodium battery? That could make for even bigger fireworks than poorly handled lithium ion batteries.

The oceans are pretty salty, and there's a lot of them. Why doesn't someone devise a way of using them to store electricity?

Imagine if we were required to locally produce the electricity that we consume. Neat idea just not feasible in our high density world.

Batteries like this should be put on a moon landing type plan and expedited as fast as possible to a working commercial battery. For sure using typical research grants, funding, and manpower it will take 5 to 10 years as they say but with a concerted global effort like they have with fusion they could do it in 2 years. That's what's needed for the future of mankind. Not that moon walking stuff.

aki009. The said the battery was explosion proof, fire proof, etc. no worries.

LFP costs $70/kwh, 30 yr likely life now and likely $40/kwh in 3 yrs. Can these beat that proven tech?
Since they still waste energy heating, can't be as efficient as LFP.

What ever happened to the quinone/hydroquinine flow battery? Very cheap non-toxic organic compounds, works at low temperatures, easily recyclable. Only snag is low cell voltage - about 1 volt - but not the end of the world. https://www.seas.harvard.edu/news/2014/01/organic-mega-flow-battery-promises-breakthrough-renewable-energy

"...technology is still 5-10 years away..." = $invest in us now.
There's no way they could come close to predicting production date.
CAVUMark: "...If we were required..."?? First, we don't need to be forced to progress. Second, roof-top PV, battery storage, is feasible (cost effective in new construction) and a housing development in TX will be all PV/battery. Add a charger + Tesla optional.

Sounds good.