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That is exactly the issue. If you really want to solidify the carbon for long term storage, you'd have to spend more energy than you gain in the first place. At
by m_mueller 10y ago
That is exactly the issue. If you really want to solidify the carbon for long term storage, you'd have to spend more energy than you gain in the first place. At least I'm not aware of a process that could capture CO2 for long term storage with only a fraction of the Carbon-to-Carbon binding energy (which is what you gain when burning, minus the C-O2 binding.
- infinite8s 10y agoThis is exactly what photosynthesis accomplishes, using energy from the sun.
- m_mueller 10y agoAt which point you can just use solar cells and batteries? I mean you do get high energy density with coal, but the downsides just seem too much.