1. Annual energy outlook 2015 with projections to 2040”, DOE/EIA-0383;U.S. Energy Information Administration,2015
2. Hydrogen as an energy carrier: technologies, systems, economy;Winter,1988
3. Office of Energy Efficiency & Renewable Energy: Fuel Cell Technologies Office (Current date: 2017, December 11), “DOE Technical Targets for Onboard Hydrogen Storage for LightDuty Vehicles”, retrieved from https://www.energy.gov/eere/fuelcells/doe-technical-targets-onboard-hydrogen-storage-light-duty-vehicles.
4. Nondissociative adsorption of H2 molecules in light-element-doped fullerenes;Kim;Phys Rev Lett,2006
5. Hydrogen adsorption behavior of graphene above critical temperature;Ma;Int J Hydrogen Energy,2009