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:
Oct. 15, 2013
Filed:
Mar. 02, 2009
Takuyuki Okano, Osaka, JP;
Toshihiko Ikehata, Osaka, JP;
Takuyuki Okano, Osaka, JP;
Toshihiko Ikehata, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
The present invention has an objective to improve the storage characteristics and pulse discharge characteristics, especially in the high temperature region of 100° C. or more, of a lithium battery comprising a positive electrode including manganese oxide, a negative electrode, and a non-aqueous electrolyte. To achieve this objective, the lithium battery of the present invention includes a positive electrode () including manganese oxide in mixed crystal state, a negative electrode () desorbing lithium ions during discharging, and a non-aqueous electrolyte having lithium ion conductivity. The aforementioned manganese oxide in mixed crystal state includes at least λ-type manganese oxide and β-type manganese oxide. The aforementioned non-aqueous electrolyte includes at least one additive selected from the group consisting of cyclic sultone compounds and sulfone compounds.