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Just because something gets does doesn't mean it's sensible. That's like arguing coal is the future because China and India have brought online thousands of TWh
by trompetenaccoun 5y ago
Just because something gets does doesn't mean it's sensible. That's like arguing coal is the future because China and India have brought online thousands of TWh since 2014. You did not actually address any of the points mentioned in the article explaining why Li-ion is not the go to solution for grid scale storage. Flow batteries have only become relatively cheaper since then btw.
- epistasis 5y agoThe actual arguments in the article are weak enough that I'm having trouble paraphrasing them fairly. Instead, I'll point to the numbers: 1) li ion cost is at $150-$300/kWh today 2) these are for batteries that have warranties for 5000-7000 cycles, not the small number that the author got from a website 3) actual installation levels on the grid are far higher than the author estimated. I have nothing against vanadium flow batteries, other than the aren't shipping much. If the can actually hit the $150/kWh mark they say they can in the article, they should be shipping a ton of batteries. And if they are shipping, they should publicize a bit more! California and other states are looking for non-lithium ion batteries with 8 hour+ duration, so there's a market for vanadium even if it can't compete on price.