公开(公告)号：US12278344B2

公开(公告)日：2025-04-15

申请号：US18824314

申请日：2024-09-04

Applicant: 24M Technologies, Inc.

Inventor： Junzheng Chen ,  Naoki Ota ,  Chad Alan Hartzog ,  Xiaoming Liu ,  Michelle Robyn Brouwer ,  Anthony D′Angelo ,  Daniel Salazar ,  Timothy Allen Hans ,  Junhua Song

IPC: H01M50/403 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0562 ,  H01M10/42 ,  H01M10/44 ,  H01M10/48 ,  H01M50/431 ,  H01M50/449 ,  H02J7/00

Abstract: Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.