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MIT's zero-energy technique shows how to brew ammonia underground
Ammonia has enormous potential as a fuel of the future, but most current production methods make it a dirty source of energy. Yet a new method from MIT that would derive the compound using the Earth's rocks and natural heat cleans it up considerably.
Still, the compound, which is a combination of nitrogen and hydrogen, has enormous potential in the power sector as it can store more than 20 times as much energy by weight as current lithium batteries. To find out, Abate and his team built a model system that allowed them to inject nitrogen-enhanced water into synthetic iron-rich minerals, mimicking those that are found beneath the Earth's surface. That complexity consists of the problems that might arise when you drill deep into the Earth, inject nitrogen-enhanced water, and deal with the ways in which the liquids and gases produced interact with bedrock.
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