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. 25, 2000
Filed:
Feb. 04, 1998
Fuji Photo film Co., Ltd., Kanagawa, JP;
Fujifilm Celltec Co., Ltd., Miyagi, JP;
Abstract
A nonaqueous secondary battery is disclosed, comprising a positive electrode sheet containing a lithium-containing transition metal oxide as a positive electrode active material, a negative electrode sheet having at least one layer containing a negative electrode material capable of intercalating and deintercalating lithium, and a nonaqueous electrolyte containing a lithium metal salt, wherein the battery into which an electrolytic solution has been injected is sealed, subjected to charging treatment having at least two stages, and subjected to storage treatment having at least two steps. A process for preparing such the nonaqueous secondary battery is also disclosed.