Wax: A benign hydrogen-storage material that rapidly releases H<sub>2</sub>-rich gases through microwave-assisted catalytic decomposition.

Gonzalez-Cortes S, Slocombe DR, Xiao T, Aldawsari A, Yao B, Kuznetsov VL, Liberti E, Kirkland AI, Alkinani MS, Al-Megren HA, Thomas JM, Edwards PP

Hydrogen is often described as the fuel of the future, especially for application in hydrogen powered fuel-cell vehicles (HFCV's). However, its widespread implementation in this role has been thwarted by the lack of a lightweight, safe, on-board hydrogen storage material. Here we show that benign, readily-available hydrocarbon wax is capable of rapidly releasing large amounts of hydrogen through microwave-assisted catalytic decomposition. This discovery offers a new material and system for safe and efficient hydrogen storage and could facilitate its application in a HFCV. Importantly, hydrogen storage materials made of wax can be manufactured through completely sustainable processes utilizing biomass or other renewable feedstocks.