| Autor: |
Shuwen Wang, Fernando Vallejos-Burgos, Ayumi Furuse, Juan P. Marco-Lozar, Miu Nagae, Hideki Tanaka, Hirofumi Kanoh, Joaquin Silvestre Albero, Takuya Hayashi, Katsumi Kaneko |
| Rok vydání: |
2022 |
| DOI: |
10.21203/rs.3.rs-2283632/v1 |
| Popis: |
Physisorption of methane in porous solids has been actively studied to achieve high methane storage capacity, but it requires heavy vessels due to the high pressures involved. In addition, physisorption of methane is quite sensitive to temperature elevation, even near ambient conditions. We developed a method for high-density methane storage at ambient pressure by installing pore-entrance locks controlled by waste heat at 473 K. Under ambient conditions, the entrance locks are stable enough to store a large amount of highly pressurized methane in the carbon nanopores at 19.9 MPa and can be unlocked at 473 K for encapsulation and release of methane. This novel ambient pressure storage method for pressurized methane enables storage of more methane than any other adsorbent at 3.5 MPa and 298 K. The waste-heat open/close pore-entrance locking mechanism supports long-term storage of a renewable energy source and provides a stationary energy supply. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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