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by DaniFong
511 days ago
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fuel cells have trouble being cheap, lightweight, high efficiency, and long lasting, all at the same time. I think this could have better scaling on all those dimensions, plus could use natural gas or propane or other fuels for when you don't have hydrogen https://news.ycombinator.com/item?id=42745109 |
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Flow batteries?
Not light weight (for stationary batteries, does that matter) but tick the rest of the boxes