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. 20, 2004
Filed:
Jul. 11, 2001
Applicant:
Inventors:
Shinji Nakanishi, Hirakata, JP;
Kazuya Iwamoto, Sakai, JP;
Hiroyuki Murai, Hirakata, JP;
Kiyomi Kato, Moriguchi, JP;
Yukishige Inaba, Higashiosaka, JP;
Shoichiro Watanabe, Ikoma-gun, JP;
Hizuru Koshina, Neyagawa, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/040 ;
U.S. Cl.
CPC ...
H01M 1/040 ;
Abstract
Lithium batteries having excellent high rate characteristics and low-temperature characteristics, and less in evolution of gases and superior in discharge characteristics are provided by using LiCoO mixed with CaO or Cr O or the like as an active material of positive electrode in combination with a non-aqueous electrolyte containing a mixed electrolyte salt comprising both a fluorine-containing inorganic anion lithium salt and a lithium imide salt.