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:
Dec. 25, 2018
Filed:
Feb. 09, 2015
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/36 (2006.01); H01M 4/134 (2010.01); H01M 4/38 (2006.01); H01M 4/04 (2006.01); H01M 4/1395 (2010.01); B60L 11/18 (2006.01); B60L 1/06 (2006.01); B60L 3/00 (2006.01); B60L 3/04 (2006.01); B60L 3/12 (2006.01); B60L 8/00 (2006.01); B60L 11/14 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); B60L 1/06 (2013.01); B60L 3/0046 (2013.01); B60L 3/04 (2013.01); B60L 3/12 (2013.01); B60L 8/003 (2013.01); B60L 11/14 (2013.01); B60L 11/1816 (2013.01); B60L 11/1824 (2013.01); B60L 11/1846 (2013.01); B60L 11/1859 (2013.01); B60L 11/1861 (2013.01); B60L 11/1864 (2013.01); B60L 11/1879 (2013.01); H01M 4/0402 (2013.01); H01M 4/0471 (2013.01); H01M 4/134 (2013.01); H01M 4/1395 (2013.01); H01M 4/38 (2013.01); H01M 4/386 (2013.01); B60L 2210/40 (2013.01); B60L 2220/12 (2013.01); B60L 2240/12 (2013.01); B60L 2240/421 (2013.01); B60L 2240/423 (2013.01); B60L 2240/441 (2013.01); B60L 2240/443 (2013.01); B60L 2240/545 (2013.01); B60L 2240/547 (2013.01); B60L 2240/549 (2013.01); B60L 2250/16 (2013.01); B60L 2270/145 (2013.01); H01M 2004/027 (2013.01); H01M 2220/10 (2013.01); H01M 2220/20 (2013.01); Y02T 10/642 (2013.01); Y02T 10/70 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/7044 (2013.01); Y02T 10/7061 (2013.01); Y02T 10/7072 (2013.01); Y02T 10/7077 (2013.01); Y02T 10/7083 (2013.01); Y02T 10/7241 (2013.01); Y02T 90/121 (2013.01); Y02T 90/127 (2013.01); Y02T 90/128 (2013.01); Y02T 90/14 (2013.01); Y02T 90/163 (2013.01); Y02T 90/169 (2013.01); Y04S 30/14 (2013.01);
Abstract
A negative electrode active material includes a core particle comprising silicon; and at least one metal element selected from the group consisting of: Ge, Sn, Ni, Mo, W, Ag, Pd, Cu, Bi, Fe, Co, Mn, Cr, V, Ga, B, Sb, In, Te, Cd, Rh, Ru, Nb, Ta, Re, Os, Ir, Pt, Pb and P. The negative electrode active material has an elemental composition that varies continuously from a center of the core particle to a surface of the core particle. A negative electrode, a battery, an electric vehicle, an electric storage apparatus, an electronic apparatus and a power storage system each include the negative electrode active material.