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:
Sep. 15, 2009
Filed:
Aug. 11, 2005
Daisuke Sumimoto, Neyagawa, JP;
Mitsugu Okahisa, Ibaraki, JP;
Masahiko Yoshida, Suita, JP;
Toshihiko Ikehata, Hirakata, JP;
Daisuke Sumimoto, Neyagawa, JP;
Mitsugu Okahisa, Ibaraki, JP;
Masahiko Yoshida, Suita, JP;
Toshihiko Ikehata, Hirakata, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A lithium primary battery including: a positive electrode containing a mixed crystalline manganese oxide; a negative electrode containing at least one selected from the group consisting of lithium and a lithium alloy; and a lithium-ion conductive non-aqueous electrolyte. The mixed crystalline manganese oxide contains at least λ-type manganese oxide and β-type manganese oxide, and the β-type manganese oxide has a crystallinity of 300 to 500. The mixed crystalline manganese oxide preferably has a specific surface area of 0.5 to 4 m/g. The lithium alloy preferably contains at least aluminum in an amount of 0.2 wt % to 15 wt %.