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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 11984588 B1

PDFFull Text
Date of Patent:
May. 14, 2024

Filed:

Aug. 31, 2020

Active material, electrode, secondary battery, battery pack, and vehicle

Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Tetsuya Sasakawa, Yokohama, JP;

Yasuhiro Harada, Isehara, JP;

Norio Takami, Yokohama, JP;

Assignee:

KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Cynthia K Walls

Int. Cl.
CPC ...
H01M 4/505 (2010.01); B60L 7/10 (2006.01); B60L 50/64 (2019.01); H01M 4/131 (2010.01); H01M 4/134 (2010.01); H01M 4/36 (2006.01); H01M 4/46 (2006.01); H01M 4/525 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 10/42 (2006.01); H01M 50/204 (2021.01); H01M 50/296 (2021.01); H01M 50/509 (2021.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/505 (2013.01); B60L 7/10 (2013.01); B60L 50/64 (2019.02); H01M 4/131 (2013.01); H01M 4/134 (2013.01); H01M 4/364 (2013.01); H01M 4/366 (2013.01); H01M 4/46 (2013.01); H01M 4/525 (2013.01); H01M 4/623 (2013.01); H01M 10/0525 (2013.01); H01M 10/4257 (2013.01); H01M 50/204 (2021.01); H01M 50/296 (2021.01); H01M 50/509 (2021.01); B60Y 2200/91 (2013.01); B60Y 2400/112 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2010/4271 (2013.01); H01M 2220/20 (2013.01);
Abstract

According to one embodiment, there is provided an active material represented by a general formula Li(NiCoMnM)(NbTaM′)O. Here, M is at least one selected from the group consisting of Li, Ca, Mg, Al, Ti, V, Cr, Zr, Mo, Hf, and W, M′ is at least one selected from the group consisting of K, P, Fe, Si, Na, Cu and Zn, and 1.0≤x≤1.3, 0≤a≤0.9, 0≤b≤1.0, 0≤c≤0.8, 0≤d≤0.5, a+b+c+d=1, 0.005≤s≤0.3, 0.0005≤t≤0.1, and 0≤u≤0.3 are satisfied.

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