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:
Jun. 18, 2013
Filed:
Apr. 06, 2006
Naoto Nishimura, Kashihara, JP;
Motoaki Nishijima, Nara, JP;
Shinsuke Kobayashi, Katsuragi, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
In a lithium-ion secondary battery of the present invention, the electrical resistivity of the mixture of a positive electrode active material, an electrically conductive member, and a binder is 0.1 Ωcm or more but 1 Ωcm or less. The positive and negative electrodes each have an electrical capacity of 10 mAh or more but 50 mAh or less per volume of a rectangular parallelepiped that has a 1 cmsquare base on a face of the electrode of one polarity facing the electrode of the other polarity and that has a height equal to the thickness of the electrode of the one polarity at the square base. Used as the negative electrode thereof is a negative electrode formed by sintering graphite powder, non-graphitizing carbon, and fibrous powder retained in the pores of a porous metal structure in an inert gas atmosphere at a temperature of between 600 and 1000° C.