Substance occluding material and electrochemical device...

C - Chemistry – Metallurgy – 01 – B

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C01B 31/02 (2006.01) B01J 20/20 (2006.01) C01B 3/00 (2006.01) C01B 13/02 (2006.01) C01B 21/00 (2006.01) C01B 23/00 (2006.01) H01M 8/04 (2006.01) H01M 8/06 (2006.01)

Patent

CA 2459081

A substance occluding material which is high in efficiency, light in weight, low in costs, safe, and high in transportability, and an electrochemical device using it, and a production method for a substance occluding material. A substance occluding material having a substance, e.g. a fullerene molecule (C60), different from a substance to be occluded such as hydrogen gas, contained inside a cylindrical material such as carbon nanotube. A substance occluding material, wherein a cylindrical material such as carbon nanotune or a rod-like material such as carbon nanofiber is closely bundled to form a bundle structure, and a material to be occluded such as hydrogen gas is occluded between the cylindrical materials or rod-like materials. A substance occluding material, wherein cylindrical materials form a multi-wall structure and a space for occluding a material to be occluded is formed at the innermost of this structure. A production method for a substance occluding material comprising the step of treating the substance occluding material with alkali when the substance occluding material is to be produced. An electrochemical device which uses a hydrogen occluding material as the inventive substance occluding material.

La présente invention concerne un matériau d'occlusion de substance à haute efficacité, léger, peu onéreux, sûr et hautement transportable. Cette invention concerne aussi un dispositif électrochimique utilisant ce matériau et un procédé de production de ce matériau d'occlusion de substance. Cette invention concerne un matériau d'occlusion de substance possédant une substance, par exemple une molécule fullerène (C¿60?) différente de la substance à occlure, tel qu'un gaz hydrogène, contenue dans un matériau cylindrique tel qu'un nanotube de carbone. Cette invention concerne un matériau d'occlusion de substance dans lequel un matériau cylindrique tel qu'un nanotube de carbone ou un matériau en tige tel qu'une nanofibre de carbone est étroitement rassemblé de façon à former un faisceau, et un matériau à occlure tel qu'un gaz hydrogène est occlus entre ces matériaux cylindriques ou en tige. Cette invention concerne un matériau d'occlusion de substance dans lequel des matériaux cylindriques forment une structure à parois multiples et un espace destiné à occlure un matériau à occlure est formé au niveau le plus intérieur de cette structure. La présente invention concerne aussi un procédé de production de ce matériau d'occlusion de substance qui consiste à traiter ce matériau d'occlusion avec un élément alcalin lorsque ce matériau d'occlusion doit être produit. Cette invention concerne aussi un dispositif électrochimique qui utilise un matériau d'occlusion d'hydrogène tel que ce matériau d'occlusion de substance.

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