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:
Aug. 23, 2011
Filed:
Jun. 27, 2007
Kazuo Oki, Wakayama, JP;
Yasuhisa Fukumoto, Wakayama, JP;
Ryuichi Akagi, Wakayama, JP;
Kenichi Nishimura, Wakayama, JP;
Taketo Kaneko, Yokohama, JP;
Tamaki Miura, Yamato, JP;
Takamitsu Saito, Yokohama, JP;
Mikio Kawai, Yokosuka, JP;
Mieko Kawai, Legal Representative, Yokosuka, JP;
Kazuo Oki, Wakayama, JP;
Yasuhisa Fukumoto, Wakayama, JP;
Ryuichi Akagi, Wakayama, JP;
Kenichi Nishimura, Wakayama, JP;
Taketo Kaneko, Yokohama, JP;
Tamaki Miura, Yamato, JP;
Takamitsu Saito, Yokohama, JP;
Mikio Kawai, Yokosuka, JP;
Mieko Kawai, legal representative, Yokosuka, JP;
Kao Corporation, Tokyo, JP;
Nissan Motor Co., Ltd., Yokohama-Shi, Kangawa, JP;
Abstract
The present invention provides a composite positive electrode material for a lithium ion battery, which is particularly excellent in high-rate discharge characteristics in a battery, and also provides a slurry, positive electrode and battery using the composite positive electrode material. The composite positive electrode material for a lithium ion battery contains: a positive electrode active material (a); a conductive material (b) having a primary particle diameter of 10 to 100 nm and/or a fibrous conductive material (c) having a fiber diameter of 1 nm to 1 μm; and a conductive material (d) having an aspect ratio of 2 to 50.