Cheap, Pure Hydrogen

Cheap, Pure Hydrogen

Author: David Bradley

Hydrogen is not an abundant gas on Earth. For it to become the fuel of a future green economy we will need to make it cheaply and easily. Fuel cells, however, need highly pure hydrogen gas something that is neither cheap nor easy to produce.

Now, a catalyst that uses just trace amounts of platinum can generate very pure hydrogen gas in the water-gas-shift reaction according to US research. The catalyst is robust and effective even at low temperature and the team is now using experiment and first-principles theory to identify its mode of action. That work could allow them to swap the platinum for something cheaper still.

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