Ab initio study of lithium-doped graphane for hydrogen storage Tanveer Hussain, Biswarup Pathak, Tuhina Adit Maark, Carlos Moyses Araujo, Ralph H. Scheicher and Rajeev Ahuja EPL, 96 2 (2011) 27013 Published online: 10 October 2011 DOI: 10.1209/0295-5075/96/27013