Researchers travel back in time for a cheaper hydrogen storage solution

Researchers Samuel Heiniger (left, holding a jar of iron ore) and Professor Wendelin Stark (right) in front of the three iron reactors containing hydrogen

While hydrogen's high energy per mass makes it an excellent fuel, it's awfully hard and expensive to store long-term. That could change, thanks to the work of researchers at Switzerland's ETH Zurich. They've worked out a way to store hydrogen in ordinary steel-walled containers for months without losing it into the atmosphere – using iron.

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Category: Energy, Science

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