| CPC C01B 3/0021 (2013.01) [B01J 3/04 (2013.01); C01B 3/0084 (2013.01); C01B 32/19 (2017.08); C01B 32/194 (2017.08); C01B 32/225 (2017.08); H01M 8/0631 (2013.01); C01P 2002/72 (2013.01); C01P 2002/82 (2013.01); C01P 2002/88 (2013.01); C01P 2002/89 (2013.01)] | 14 Claims |

|
1. A method comprising:
providing a hydrogenated sp2 carbon allotrope comprising hydrogen covalently bound to a carbon allotrope;
wherein the hydrogenated sp2 carbon allotrope comprises at least 5.5 wt % of the hydrogen covalently bound to the carbon allotrope; and
releasing hydrogen gas from the hydrogenated sp2 carbon allotrope.
|