Invention Grant
- Patent Title: Method for fabricating an anode for a lithium battery cell
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Application No.: US17179543Application Date: 2021-02-19
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Publication No.: US11757082B2Publication Date: 2023-09-12
- Inventor: Jin Liu , Jiazhi Hu , Raffaello Ardanese , Ryan C. Sekol , Lei Wang , Michael P. Balogh
- Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Agency: Quinn IP Law
- Main IPC: H01M4/04
- IPC: H01M4/04 ; H01M10/0568 ; H01M10/0569 ; H01M10/0565

Abstract:
A method for fabricating an anode for a lithium ion battery cell is described and includes forming a solid electrolyte interface (SEI) layer on a raw anode prior to assembly into a battery cell by applying a first SEI-generating electrolyte to the raw anode to form a first intermediate anode, applying a second SEI-generating electrolyte to the first intermediate anode to form a second intermediate anode, and applying a third SEI-generating electrolyte to the second intermediate anode to form a cell anode, wherein the cell anode includes the raw anode having the SEI layer. Thus, a cell anode is formed by sequentially applying SEI-generating electrolytes to a raw anode to form the cell anode with an SEI layer, and a lithium ion battery cell is formed by assembling the cell anode into a cell pack, with a cathode, and a separator, and adding a cell electrolyte prior to sealing.
Public/Granted literature
- US20220271268A1 METHOD FOR FABRICATING AN ANODE FOR A LITHIUM BATTERY CELL Public/Granted day:2022-08-25
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