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Hydrogen is a battery. We have no free source of H2. We have to put energy into making it, storing it, and transporting it. We get less energy back than we p
by ortusdux 4y ago
Hydrogen is a battery. We have no free source of H2. We have to put energy into making it, storing it, and transporting it. We get less energy back than we put in. The most generous lifecycle analyses that I have seen estimate 60-70% roundtrip efficiency.
- ncmncm 4y agoPumped hydro is often no better. 60% is plenty, if electricity is cheap enough. And it already is.