公开(公告)号：US20240154151A1

公开(公告)日：2024-05-09

申请号：US17983612

申请日：2022-11-09

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xiaowei YU ,  Erik Damon Huemiller ,  Shaomao Xu ,  Wayne Cai ,  Yaoyu Ren

IPC: H01M10/0525 ,  H01M4/04 ,  H01M4/134

CPC classification number: H01M10/0525 ,  H01M4/0402 ,  H01M4/134

Abstract: A lithium addition system includes: a lithium addition head configured to receive a filament of lithium; and a fill control module configured to: identify a defect in a layer of lithium; actuate an actuator and move the lithium addition head to a location of the defect and vertically above the defect; and apply one of power and energy to the filament thereby (a) at least one of softening, melting, and deforming the filament and (b) depositing lithium from the filament into the defect in the layer of lithium.