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You need a lot of metal, especially if you want a big battery. Realistically we're not going to see batteries much cheaper than what we have now. Hydrogen is l
by Hypx 6y ago
You need a lot of metal, especially if you want a big battery. Realistically we're not going to see batteries much cheaper than what we have now.
Hydrogen is likely to be cost of green energy plus some additional cost factor. So if solar is $0.02/kWh, then hydrogen will be maybe 2x that in the very long run. Everything points to hydrogen eventually getting to around $1/kg, or cheaper than just about any other kind of fuel.
- brianwawok 6y agoThis graph is showing a fall by about another half by 2030 for Lithium Ion https://about.bnef.com/blog/behind-scenes-take-lithium-ion-battery-prices/ https://about.bnef.com/blog/behind-scenes-take-lithium-ion-b... What if there is a different battery technology (not Hydrogen) that allows another half or more fall? Could still be a long ways to go..
- Hypx 6y agoAt some point you just accept that hydrogen is a battery technology with the highest possible energy density and give up on silly in-between ideas.