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:
Nov. 02, 2021

Filed:

Apr. 10, 2020
Applicant:

Camx Power Llc, Lexington, MA (US);

Inventors:

Thomas Carney, Lexington, MA (US);

Rahul Malik, Lexington, MA (US);

David Ofer, Needham, MA (US);

Kenan Sahin, Lexington, MA (US);

Daniel Kaplan, Lexington, MA (US);

Suresh Sriramulu, Arlington, MA (US);

Assignee:

CAMX Power LLC, Lexington, MA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/66 (2006.01); H01M 4/505 (2010.01); H01M 4/134 (2010.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01); H01M 50/10 (2021.01); H01M 50/46 (2021.01); H01M 50/411 (2021.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); H01M 4/134 (2013.01); H01M 4/505 (2013.01); H01M 4/661 (2013.01); H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); H01M 50/10 (2021.01); H01M 50/411 (2021.01); H01M 50/46 (2021.01); H01M 2004/021 (2013.01); H01M 2300/0028 (2013.01);
Abstract

Provided are electrochemical secondary cells that exhibit excellent abuse tolerance, deep discharge and overcharge conditions including at extreme temperatures and remain robust and possess excellent performance. Cells as provided herein include: a cathode a polycrystalline cathode electrochemically active material including the formula LiMO, wherein −0.9≤x≤0.3, −0.3≤y≤0.3, and wherein M includes Ni at 80 atomic percent or higher relative to total M, an anode including an anode electrochemically active material defined by an electrochemical redox potential of 400 mV or greater vs Li/Li.


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