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. 28, 2006
Filed:
Jun. 18, 2003
Atsushi Fukui, Kobe, JP;
Yasuyuki Kusumoto, Kobe, JP;
Mariko Torimae, Kobe, JP;
Hiroshi Nakamura, Kobe, JP;
Atsushi Fukui, Kobe, JP;
Yasuyuki Kusumoto, Kobe, JP;
Mariko Torimae, Kobe, JP;
Hiroshi Nakamura, Kobe, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
A negative electrode for a lithium secondary battery obtained by providing an active material layer containing particles of an active material and a binder on a surface of a current collector which is an electrically conductive metal foil, and sintering the layer under a non-oxidizing atmosphere; wherein the mean diameter of the particles of the active material is not smaller than 1 μm and not greater than 10 μm, and the particle size distribution of the particles is such that at least 60 volume % of the particles are in a range of not smaller than 1 μm and not greater than 10 μm.