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:
Jan. 03, 2017
Filed:
Apr. 25, 2013
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Natsumi Shibamura, Ageo, JP;
Yanko Marinov Todorov, Ageo, JP;
Shinya Kagei, Ageo, JP;
Yoshimi Hata, Takehara, JP;
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Abstract
Provided is a new 5 V class spinel exhibiting an operating potential of 4.5 V or more (5 V class), which can suppress the amount of gas generation during high temperature cycles. Suggested is a manganese spinel-type lithium transition metal oxide represented by formula: Li[NiMnLiTiM]O(wherein 0≦z≦0.3, 0.3≦y<0.6, and M=at least one or more metal elements selected from the group consisting of Al, Mg, Fe and Co), in which in the above formula, the following relationships are satisfied: a>0, b>0, and 3≦b/a≦8.