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May 29, 2023

Storing hydrogen in coal may help power clean energy economy

Posted by in categories: economics, energy, engineering, transportation

The quest to develop hydrogen as a clean energy source that could curb our dependence on fossil fuels may lead to an unexpected place—coal. A team of Penn State scientists found that coal may represent a potential way to store hydrogen gas, much like batteries store energy for future use, addressing a major hurdle in developing a clean energy supply chain.

“We found that can be this geological hydrogen battery,” said Shimin Liu, associate professor of energy and mineral engineering at Penn State. “You could inject and store the hydrogen energy and have it there when you need to use it.”

Hydrogen is a clean burning fuel and shows promise for use in the most energy intensive sectors of our economy—transportation, electricity generation and manufacturing. But much work remains to build a and make it an affordable and reliable energy source, the scientists said.

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