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:
Jul. 28, 2015
Filed:
Jul. 21, 2011
Tomohiko Kato, Tokyo, JP;
Atsushi Sano, Tokyo, JP;
Masaki Sobu, Tokyo, JP;
Akinobu Nojima, Tokyo, JP;
Tomohiko Kato, Tokyo, JP;
Atsushi Sano, Tokyo, JP;
Masaki Sobu, Tokyo, JP;
Akinobu Nojima, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
An active material having high capacity and excellent charging/discharging cycle durability at high potential is provided. The active material has a layered structure and is represented by the following composition formula (1):LiNiCoMnMOFP  (1)wherein the element M is at least one element selected from the group consisting of Al, Si, Zr, Ti, Fe, Mg, Nb, Ba and V, and 1.9≦(a+b+c+d+y)≦2.1, 1.0≦y≦1.3, 0<a≦0.3, 0≦b≦0.25, 0.3≦c≦0.7, 0≦d≦0.1, 0.07≦z1≦0.15, 0.01≦z2≦0.1, and 1.9≦(x+z1)≦2.1 are satisfied.