First sodium-ion battery storage station at grid level opens with cells that can be charged in 12 minutes
First sodium-ion battery storage station at grid level opens with cells that can be charged in 12 minutes
Clean electricity generation paired with the first grid-level sodium battery energy storage system can bring costs down to just $0.028 per kWh. The 10 MWh storage capacity is executed with sodium-ion cells that can be charged in just 12 minutes.
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How many decades do they last before needing replacement?
They're meant to survive an order of magnitude more cycles than Li-ion. But I'm containing my enthusiasm until we see them lasting a long time in real life use.
Lithium isn't used for grid batteries because weight doesn't matter. Grid batteries with lead acid last 3 decades. Does this one last longer?
Lithium is used in grid storage:
And that's just what I could find in a couple of minutes.
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Again, that doesn't matter since the battery doesn't move. This is a grid battery
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The question is then whether it's cheaper to buy LiFePos instead of lead acid or to install more solar panels.
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Agreed - it's not that there are no space constraints at all.
You’re thinking of density. Efficiency certainly matters.
I have read encouraging numbers about charge cycles for sodium batteries, I'm quite curious too about real values.