公开(公告)号：US20180337391A1

公开(公告)日：2018-11-22

申请号：US15598930

申请日：2017-05-18

Applicant: GM Global Technology Operations LLC

Inventor： Zhiqiang Yu ,  Meiyuan Wu ,  Jim Gu ,  Xiaochao Que

IPC: H01M4/04 ,  H01M10/0525

Abstract: A method of making a patterned electrode material is provided. The method includes disposing a first mask having a first pattern on a first surface of an electrode material, disposing a second mask having a second pattern on an opposing second surface of the electrode material, applying pressure through both the first mask and the second mask towards the electrode material, wherein the first pattern of the first mask is engraved into the first surface of the electrode material and the second pattern of the second mask is engraved into the second surface of the electrode material, and removing the first mask and the second mask form the electrode material to from the patterned electrode material.