公开(公告)号：WO2022072959A1

公开(公告)日：2022-04-07

申请号：PCT/US2021/071028

申请日：2021-07-28

Applicant: APPLE INC.

Inventor： RITCHIE, Alan A. ,  BROWN, Karl M. ,  MA, Lin ,  DEMIRKAN, Korhan ,  BASILE, Andrew ,  MANK, Richard M. ,  NEUDECKER, Bernd Jurgen

IPC: H01M4/134 ,  H01M4/36 ,  H01M4/38 ,  H01M4/40 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/0568 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2300/0025 ,  H01M2300/0082 ,  H01M2300/0094 ,  H01M4/366 ,  H01M4/382 ,  H01M4/387 ,  H01M4/405

Abstract: An electrochemical cell (100) has a cathode having a cathode current collector (112) and a cathode active material (114), an anode having an anode current collector (102), lithium metal seed (104), and an anode cap (106) on the lithium metal seed, a liquid electrolyte (118), a separator (110) between the cathode active material and the anode active material, and a polymer electrolyte lamination layer bonding the anode to the separator. The polymer electrolyte lamination layer is formulated using a crosslinked polymer, a lithium salt, a plasticizer, and an anode additive. The anode cap and the polymer electrolyte lamination layer work together to produce densely plated lithium metal between the lithium metal seed and the anode cap with little or no external pressure.