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.

Date of Patent:
Mar. 27, 2012

Filed:

Mar. 28, 2006
Applicants:

Shigeto Okada, Fukuoka, JP;

Jun-ichi Yamaki, Kasugai, JP;

Tomoko Iwanaga, Fukuoka, JP;

Michio Takahashi, Nagoya, JP;

Hiroyuki Katsukawa, Niwa-Gun, JP;

Inventors:

Shigeto Okada, Fukuoka, JP;

Jun-Ichi Yamaki, Kasugai, JP;

Tomoko Iwanaga, Fukuoka, JP;

Michio Takahashi, Nagoya, JP;

Hiroyuki Katsukawa, Niwa-Gun, JP;

Assignees:

Kyushu University, Fukuoka, JP;

NGK Insulators, Ltd., Nagoya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01);
U.S. Cl.
CPC ...
Abstract

A positive electrode for a non-aqueous electrolytic secondary cell and a non-aqueous electrolytic secondary cell are provided, which exhibit a high potential in a 4 V region, and have a high capacity, safety, excellent cycle characteristics, and satisfactory high-temperature characteristics. The positive electrode active material is a mixture of an olivine type lithium manganese phosphate and a spinel type lithium manganate.


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