Methods and systems for energy conversion and generation

This invention describes a method to convert electrical energy into chemical energy stored as methane gas. It works by first using electricity to split water into hydrogen and oxygen, and then using the resulting hydrogen to react with carbon dioxide to produce methane. The claims specifically focus on this process for making methane.

Why it matters: Filed when renewable energy was more expensive and CO2 utilization less developed. Since then, the cost of renewable electricity has dropped dramatically, and research into efficient CO2 hydrogenation catalysts has advanced, making this energy storage method more viable.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedChemical reactors, catalysts, gas handling

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