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:
Apr. 15, 2008
Filed:
Nov. 26, 2003
Hirofumi Fukuoka, Gunma-ken, JP;
Mikio Aramata, Gunma-ken, JP;
Satoru Miyawaki, Gunma-ken, JP;
Susumu Ueno, Takefu, JP;
Kazuma Momii, Gunma-ken, JP;
Hirofumi Fukuoka, Gunma-ken, JP;
Mikio Aramata, Gunma-ken, JP;
Satoru Miyawaki, Gunma-ken, JP;
Susumu Ueno, Takefu, JP;
Kazuma Momii, Gunma-ken, JP;
Shin-Etsu Chemical Co., Ltd, Tokyo, JP;
Abstract
A non-aqueous electrolyte secondary battery negative electrode material is provided wherein a negative electrode active material containing a lithium ion-occluding and releasing material which has been treated with an organosilicon base surface treating agent is surface coated with a conductive coating. Using the negative electrode material, a lithium ion secondary battery having a high capacity and improved cycle performance is obtainable.