Researchers Find New Composite Material for Storing Hydrogen

This schematic shows high-capacity magnesium nanocrystals encapsulated in a gas-barrier polymer matrix to create a new and revolutionary hydrogen storage composite material. Credit: Image from Jeff Urban

Compared to gasoline, hydrogen is lightweight, has a higher energy density and has a variety of potential sources, like biomass. It sounds great, but there are a few drawbacks. Hydrogen-air mixtures can ignite with very low energy input. If air and hydrogen were to mix in an enclosed space, like a parking lot, a hydrogen leak could easily lead to an explosion if a flame was sparked. Due to hydrogen’s low energy ignition, hydrogen must be safely and densely stored.

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