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.

Date of Patent:
Feb. 04, 2025

Filed:

Apr. 09, 2021
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Hongli Dai, Los Altos, CA (US);

Huiming Wu, San Jose, CA (US);

Chi-Kai Lin, Sunnyvale, CA (US);

Michael J. Erickson, San Jose, CA (US);

Martin Bettge, Santa Clara, CA (US);

Xiaoping Wang, Naperville, IL (US);

Yan Li, Westmont, IL (US);

Yanjie Cui, Arlington Heights, IL (US);

James A. Gilbert, Bolingbrook, IL (US);

Zhenzhen Yang, Godfrey, IL (US);

Anh D. Vu, Lemont, IL (US);

Arthur Jeremy Kropf, Westmont, IL (US);

Hakim H. Iddir, Hoffman Estates, IL (US);

Christopher S. Johnson, Naperville, IL (US);

John David Carter, Bolingbrook, IL (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); H01M 4/04 (2006.01); H01M 4/50 (2010.01); H01M 4/505 (2010.01); H01M 4/52 (2010.01); H01M 4/525 (2010.01); H01M 10/05 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/582 (2013.01); H01M 4/0471 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01);
Abstract

The disclosure provides a plurality of particles. Each particle may include a material comprising 0.95 to 1.30 mole fraction Li, at least 0.60 and less than 1.00 mole fraction Co, up to 10,000 ppm Al, 1.90 to 2.10 mole fraction O, and up to 0.30 mole fraction M, where M is at least one element selected from B, Na, Mg, P, Ti, Ca, V, Cr, Fe, Mn, Ni, Cu, Zn, Al, Sc, Y, Ga, Zr, Ru, Mo, La, Si, Nb, Ge, In, Sn, Sb, Te, and Ce. Each particle may also include a surface composition comprising a mixture of LiF and a metal fluoride. An amount of fluorine (F) is greater than 0 and less than or equal to 5000 ppm. The metal fluoride comprises a material selected from the group consisting of AlF, CaF, MgF, and LaF. The surface composition may also include a metal oxide comprising a material selected from the group consisting of TiO, MgO, LaO, CaO, and AlO. An amount of the metal oxide is greater than 0 and less than or equal to 20000 ppm.


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