Hydrogen storage in porous crystalline materials : insights on the role of interaction strength from simulation and machine learning
Hydrogen is a promising renewable fuel due to its carbon-free nature and relatively high energy content by mass. However, a major hurdle for its widespread adoption as a vehicular fuel is its low density at ambient conditions, posing a challenge for onboard storage. Toward fully realizing a cost-effective, hydrogen-powered fuel cell vehicle, the U.S. Department of Energy (DOE) has set a system-level hydrogen storage target of 30 g/L for 2020, which is expected to require storing around 60 g/L at the material-level. While considerable research has been performed on hydrogen storage materials, it ...
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