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Development of Adsorption for Natural Gas Storage

Article of Honda R&D Technical Review Vol.15 No.2

Summary

Carbon adsorption was selected as a means of efficiently storing methane, the main component of natural gas. Simulations were first employed to determine an ideal adsorptive pore structure. The results of the simulations were established as a target in the manufacture of activated carbon, with coconut shell, coal and carbon nano-materials (Buckminsterfullerene, carbon nano-tubes) as starting materials. TEM analysis confirmed that the activated carbon produced in this research possessed the ideal pore structure established as a target. This activated carbon is capable of storing 0.155NL/cm3 of natural gas at low pressure (3.5MPa). This represents 77.5% of the capacity of high-pressure (20MPa) compressed natural gas (CNG) storage. The material’s storage capacity for adsorbed methane gas is in the world’s top class of presently reported figures.

Reference

(1) Sanada Y., Suzuki M., Fujimoto K.: Activated Carbon, Kodansya
(2) Tanaka K.: Carbon Nanotube, Kagakudojin
(3) Kimberly R Matranga, Alan L. Myers and Eduardo D. Glandt: Storage of Natural Gas by Adsorption on Activated Carbon, Chemical Engineering Science, Vol. No. 7, p. 1569-1579
(4) Shinohara H., Saitou Y.: Chemistry and Physics of Fullerenes, Publishing of Nagoya University
(5) Tanigaki K., Kikuchi K., et al.: Fullerenes, Sangyoutosyo
(6) Workshop on High Functionality Material of Carbon Family Nanotechnology, 25 April, 2001, NEDO
(7) Timothy D. Burchell: Carbon Materials for Advanced Technologies
(8) Gas Storage Workshop, Royal Military College of Canada, July, 2001
(9) Tim Burchell and Mike Rogers: Low Pressure Storage of Natural Gas Vehicular Applications, SAE Paper 2000-01-2205
(10) Advanced Clean Energy Vehicle Project, Report from 1997 to 2002, NEDO

Author (organization or company)

Hiroshi OGASA(Tochigi R&D Center)、Yoshiyuki MORITA(Tochigi R&D Center)、Masaru OKU(Tochigi R&D Center)、Nagatsugu MUKAIBOU(Tochigi R&D Center)

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