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Graphene-Coated Nanoporous Carbon Enables Ambient Methane Storage
- Researchers have developed graphene-coated nanoporous carbon materials for ambient methane storage, overcoming challenges of high-pressure or cryogenic storage methods.
- The graphene coating on porous carbon allows for high-density methane retention at moderate temperatures and ambient pressure, enhancing safety and efficiency.
- By serving as a thermal lock, graphene controls access to nanopores, enabling controlled storage and release of methane through temperature modulation.
- This innovation achieves a volumetric methane capacity equivalent to traditional pressurization near 19.9 MPa at room temperature, surpassing existing adsorbed natural gas systems.
- The graphene-coated porous carbon system offers exceptional container space utilization and enhances safety compared to high-pressure or cryogenic storage methods.
- The reversible storage system allows for dynamic energy management, enabling efficient storage during surplus energy production and controlled release when needed.
- The materials' properties leverage graphene's strength and selective permeability, along with the porous carbon's high adsorption capacity, for efficient methane storage.
- This advancement in nanomaterial engineering could revolutionize natural gas vehicles and storage facilities, improving range, payload capacity, and safety while cutting infrastructure costs.
- The use of graphene to control molecular transport in porous materials expands scientific understanding and offers potential applications in hydrogen or carbon dioxide capture.
- Future research directions include scaling up production, enhancing durability, and optimizing performance for commercial applications, aiming to advance sustainable fuel technologies globally.
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