Camx Power LLC

Daniel Kaplan

David Ofer

Suresh Sriramulu

Kenan Sahin

Thomas Carney

Rahul Malik

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.

High power, extended temperature range-capable, highly abuse overcharge and discharge tolerant rechargeable battery cell and pack

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 &#x2212;0.9&#x2264;x&#x2264;0.3, &#x2212;0.3&#x2264;y&#x2264;0.3, and wherein M includes Ni at 80 atomic percent or higher relative to total M, the cathode electrochemically active material comprising a non-uniform distribution of Co; an anode including an anode electrochemically active material of the formula LiTiOwherein &#x2212;0.3&#x2264;a&#x2264;3.3, &#x2212;0.3&#x2264;b&#x2264;0.3; and wherein the anode and the cathode each independently include a current collector substrate comprising aluminium.

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 &#x2212;0.9&#x2264;x&#x2264;0.3, &#x2212;0.3&#x2264;y&#x2264;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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Lexington, MA, United States of America

Daniel Kaplan