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:
Nov. 17, 2015
Filed:
May. 15, 2014
Tetsuya Kume, Kakegawa, JP;
Yuko Matsumura, Kakegawa, JP;
Yasuyuki Higaonna, Kakegawa, JP;
CATALER CORPORATION, Shizuoka, JP;
Abstract
Achieved is an electricity storage device having a low internal resistance and a high energy density. In a pore distribution, which is obtained for a carbon material using a BJH method and is plotted on a graph with a pore diameter D on the abscissa and a derivative ΔV/ΔD of a pore volume per unit mass or unit volume with respect to the pore diameter D on the ordinate, a ratio M1/M2 of the maximum value M1 of the derivative ΔV/ΔD in an interval of the pore diameter D from 10 to 100 nm with respect to the maximum value M2 of the derivative ΔV/ΔD in an interval of the pore diameter D from 2 to 10 nm is 1.5 or more.