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. 14, 2006
Filed:
Nov. 04, 2002
Toshihiko Nakagawa, Chiryu, JP;
Kenshin Kitoh, Nagoya, JP;
Hiroshi Nemoto, Nagoya, JP;
Toshihiro Yoshida, Nagoya, JP;
Toshihiko Nakagawa, Chiryu, JP;
Kenshin Kitoh, Nagoya, JP;
Hiroshi Nemoto, Nagoya, JP;
Toshihiro Yoshida, Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
To provide a lithium secondary battery with a high critical discharge current even under a low temperature condition, with an excellent cycle characteristic and reduced manufacturing cost. The lithium secondary battery includes a wound type electrode body comprising a positive electrode plate, and a negative electrode plate both of which have been wound around a core via a separator, the electrode body being impregnated with a non-aqueous electrolyte, and a cylindrical case for housing the electrode body and the non-aqueous electrolyte; the case having at least one opening at either end thereof, which can be sealed. The separator is subjected to drying treatment after the electrode body is inserted into the cylindrical case.