US 12,034,163 B2
High power, extended temperature range-capable, highly abuse overcharge and discharge tolerant rechargeable battery cell and pack
Thomas Carney, Lexington, MA (US); Rahul Malik, Lexington, MA (US); David Ofer, Lexington, MA (US); Kenan Sahin, Lexington, MA (US); Daniel Kaplan, Lexington, MA (US); and Suresh Sriramulu, Lexington, MA (US)
Assigned to CAMX Power LLC, Lexington, MA (US)
Filed by CAMX Power LLC, Lexington, MA (US)
Filed on Oct. 4, 2021, as Appl. No. 17/492,774.
Application 17/492,774 is a continuation of application No. 16/845,377, filed on Apr. 10, 2020, granted, now 11,165,065.
Application 16/845,377 is a continuation in part of application No. PCT/US2019/027284, filed on Apr. 12, 2019.
Application 16/845,377 is a continuation in part of application No. 16/383,079, filed on Apr. 12, 2019, granted, now 11,309,544.
Prior Publication US 2022/0029162 A1, Jan. 27, 2022
Int. Cl. H01M 4/525 (2010.01); H01M 4/134 (2010.01); H01M 4/505 (2010.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01); H01M 50/105 (2021.01); H01M 50/417 (2021.01); H01M 50/46 (2021.01); H01M 4/02 (2006.01)
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 50/105 (2021.01); H01M 50/417 (2021.01); H01M 50/46 (2021.01); H01M 2004/021 (2013.01); H01M 2300/0028 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An electrochemical cell comprising:
a cathode, the cathode comprising a polycrystalline cathode electrochemically active material comprising the formula Li1+xMO2+y, wherein −0.9≤x≤0.3, −0.3≤y≤0.3, and wherein M comprises Ni at 80 atomic percent or higher relative to total M, the cathode electrochemically active material comprising a non-uniform distribution of Co; and
an anode comprising an electrochemically active material and an anode current collector, the anode current collector comprising a metal other than copper, wherein said anode has an electrochemical redox potential of at least 400 mV versus Li/Li+,
wherein the electrochemical cell is characterized by unchanged performance for charge and discharge at rates from C/5 to 4C following 1000 cycles and subsequent storage for 33 months at 0 V condition.