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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.:

US 9911518 B1

PDFFull Text
Date of Patent:
Mar. 06, 2018

Filed:

Sep. 30, 2013

Cathode active material for lithium-ion battery, cathode for lithium-ion battery and lithium-ion battery

Applicant:

Jx Nippon Mining & Metals Corporation, Chiyoda-ku, Tokyo, JP;

Inventors:

Tatsuya Kameyama, Kitaibaraki, JP;

Tomoya Tamura, Kitaibaraki, JP;

Assignee:

JX Nippon Mining & Metals Corporation, Tokyo, JP;

Attorney:

Nields, Lemack & Frame, LLC

Primary Examiner:

Mark Kopec

Assistant Examiner:

Matthew R Diaz

Int. Cl.
CPC ...
H01B 1/08 (2006.01); C01G 53/00 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/02 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01B 1/08 (2013.01); C01G 53/42 (2013.01); C01G 53/50 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); C01P 2002/60 (2013.01); C01P 2002/77 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01);
Abstract

A cathode active material for lithium-ion battery is provided, which provides good battery characteristics such as cycle characteristics. The cathode active material for lithium-ion battery is expressed by the composition formula: LiNiMO, wherein M is one or more selected from Ti, Cr, Mn, Fe, Co, Cu, Al, Sn, Mg and Zr; 0.9≦x≦1.2; 0<y≦0.5; and 2.0≦α≦2.2, wherein the crystallite size obtained by analyzing the XRD pattern is 870 Å or more and the unit lattice volume is 101.70 Åor less.

Find Patent Forward Citations

Kameyama, Tatsuya. (2018). Cathode active material for lithium-ion battery, cathode for lithium-ion battery and lithium-ion battery (U.S. Patent No. 9911518). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9911518

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