colinm
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Na batteries are available right now 'off the shelf' for domestic and van use, for automobile use they have already entered mass production, helped by the fact they can be made on LFP production lines.Big problem with EVs is the devastation of seabeds and kids digging for chems which is way wrong, when the salt alloy batteries hit the market then things will change big time, clean reusable 3 mins to 80% charge and 6 mins to full charge and a 900 mile range plus 30 year life span we are then on a winner.
So what are the big advantages?
Well they can be charged and discharged at much lower temperatures than LFP, and they are a few pence cheaper to produce, and .............well that's about it, there are also considerable disadvantages, they don't have the energy density of Li batteries and the discharge curve is similar to LA.
Compared to LFP they will make no differance to seabed mining or child exploitation(because there isn't any on LFP), they don't charge any faster, offer anymore range, or last any longer than LFP at present. That's not to say that in the future someone will find a 'magic fairy dust' (or Sidhe dust for Trev) which will significantly improve them, but the same applies to Lithium.