1. “H2@ Scale | Department of Energy.” [Online]. Available: https://www.energy.gov/eere/fuelcells/h2-scale. [Accessed: 18-Apr-2018].
2. “About – HyMARC.” [Online]. Available: https://hymarc.org/about/. [Accessed: 18-Apr-2018].
3. Green energy and technology;Yao,2012
4. “DOE Technical Targets for Onboard Hydrogen Storage for Light-Duty Vehicles | Department of Energy.” [Online]. Available: https://www.energy.gov/eere/fuelcells/doe-technical-targets-onboard-hydrogen-storage-light-duty-vehicles. [Accessed: 18-Apr-2018].
5. Hydrogen storage of calcium atoms adsorbed on graphene: first-principles plane wave calculations;Ataca;Phys Rev B Condens Matter,2009