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. 23, 2010
Filed:
Jul. 06, 2005
Tomoyoshi Matsushima, Ageo, JP;
Hitohiko Honda, Ageo, JP;
Yoshiki Sakaguchi, Ageo, JP;
Masahiro Hyakutake, Ageo, JP;
Kiyotaka Yasuda, Ageo, JP;
Tomoyoshi Matsushima, Ageo, JP;
Hitohiko Honda, Ageo, JP;
Yoshiki Sakaguchi, Ageo, JP;
Masahiro Hyakutake, Ageo, JP;
Kiyotaka Yasuda, Ageo, JP;
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Abstract
A negative electrodefor a nonaqueous secondary battery, has an active material layercontaining active material particles. The active material layerhas a metallic materialdeposited among the particles by electroplating. The negative electrodehas a large number of holesopen on at least one side thereof and extending through the thickness of the active material layer. The negative electrodefurther has a pair of current collecting layersandadapted to be brought into contact with an electrolyte. The active material layeris between the current collecting layersand. The holesopen on the negative electrodepreferably have an opening area ratio of 0.3% to 30%. At least one of the pair of the current collecting layersandpreferably has a thickness of 0.3 to 10 μm.