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The Toyota Mirai can store 5kg of hydrogen (giving it a 500km range). This system would require about 150kg of inert material to store the same amount of hydrog
by jetrink 8y ago
The Toyota Mirai can store 5kg of hydrogen (giving it a 500km range). This system would require about 150kg of inert material to store the same amount of hydrogen. That's only about three times the weight of a full tank of gas and doesn't seem totally impractical. The other claims sound pretty far-fetched though. For twice the range of an ICE car, it would need a much larger tank.
1. https://insideevs.com/toyota-mirai-fuel-cell-sedan-priced-at-57500-specs-videos/ https://insideevs.com/toyota-mirai-fuel-cell-sedan-priced-at...
- mikeash 8y agoIt seems reasonable to assume this stuff has a density similar to water, since it’s mostly water anyway. That means you’d need a 150 liter tank to achieve 500km of range. A typical car has, what, a 40 liter tank? And they’re promising more like 1,200km of range from that size tank.