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:
Dec. 07, 2010
Filed:
Oct. 18, 2007
Applicants:
Hiroaki Tanizaki, Tokyo, JP;
Nobuo Ando, Tokyo, JP;
Yukinori Hatou, Tokyo, JP;
Inventors:
Assignee:
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a negative electrode material for use with a lithium-ion capacitor, which is high in energy density, output density and excellent in durability. When graphite of which an average distance between 002 lattice planes thereof is within a range from 0.335 nm to 0.337 nm is used for an active material of a negative electrode of a lithium-ion capacitor, the energy density of the capacitor is increased. The output characteristic and the cycle durability can be improved when D, Dand Dare set within predetermined ranges.