The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 17, 2009
Filed:
May. 12, 2004
Takashi Kurose, Yamagata, JP;
Tatsuhiro Takahashi, Yamagata, JP;
Chiaki Sotowa, Kanagawa, JP;
Toshio Morita, Kanagawa, JP;
Takashi Kurose, Yamagata, JP;
Tatsuhiro Takahashi, Yamagata, JP;
Chiaki Sotowa, Kanagawa, JP;
Toshio Morita, Kanagawa, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
A porous material comprising vapor grown carbon fiber in an amount of 10 to 90 mass %, fiber filaments of the carbon fiber forming a three-dimensional network and having a diameter of 1 to 1,000 nm, an aspect ratio of 5 to 15,000, a specific surface area (by BET method) of 2 to 2,000 m/g, and the ratio of the intensity of the peak at 1,360 cmin a Raman scattering spectrum of the carbon fiber to that of the peak at 1,580 cmin the spectrum(II) is 0.1 to 2.0, wherein the porosity of the porous material (V/V) is 0.50 to 0.99 and a specific surface area is 5 to 1,000 m/g; and a production method and use thereof. The vapor grow carbon fiber impregnated in the porous material of the present invention does not contain aggregates and a three-dimensional network is formed between the fiber filaments, wherein length of each of the fiber filaments is maintained. Therefore, the vapor grown carbon fiber enables to readily produce a composite material (porous material), in which even a small amount of addition of vapor grown carbon fiber can exhibit sufficient effect.