TAILIEUCHUNG - Báo cáo hóa học: " Temperature Sensitive Nanocapsule of Complex Structural Form for Methane Storage"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Temperature Sensitive Nanocapsule of Complex Structural Form for Methane Storageb | Nanoscale Res Lett 2010 5 205-210 DOI s11671-009-9466-8 NANO EXPRESS Temperature Sensitive Nanocapsule of Complex Structural Form for Methane Storage E. I. Volkova M. V. Suyetin A. V. Vakhrushev Received 11 September 2009 Accepted 5 October 2009 Published online 16 October 2009 to the authors 2009 Abstract The processes of methane adsorption storage and desorption by the nanocapsule are investigated with molecular-dynamic modeling method. The specific nanocapsule shape defines its functioning uniqueness methane is adsorbed under 40 MPa and at normal temperature with further blocking of methane molecules the K@C601 en-dohedral complex in the nanocapsule by external electric field the storage is performed under normal external conditions and methane desorption is performed at 350 K. The methane content in the nanocapsule during storage reaches mass . The nanocapsule consists of tree parts storage chamber junction and blocking chamber. The storage chamber comprises the nanotube 20 20 . The blocking chamber is a short nanotube 20 20 with three holes. The junction consists of the nanotube 10 10 and nanotube 8 8 moreover the nanotube 8 8 is connected with the storage chamber and nanotube 10 10 with the blocking chamber. The blocking chamber is opened and closed by the transfer of the K@C601 endohedral complex under electrostatic field action. Keywords Methane storage Nanocapsule Molecular dynamics Introduction The bucky shuttle 1 2 being the combination of nanosize carbon structures fullerene 3 and nanotube 4 has many possible applications nanoscale storage cells 5 devices for directed medicine transfer 6 and containers for effective and safe gas storage 7-13 . Nanosize containers and capsules of various shapes that allow reaching a higher safety level and mass content of gas stored have been investigated for a number of years 11-13 . The engineering of nanostructured carbon opens the ways for the production of nanocapsules of complex structural shapes .

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