- Patent Title: Propylene carbonate-based electrolyte with extended long cycle life
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Application No.: US17084075Application Date: 2020-10-29
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Publication No.: US11646450B2Publication Date: 2023-05-09
- Inventor: Li Yang , Umamaheswari Viswanathan , Mary E. Fortier
- 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: Harness, Dickey & Pierce, P.L.C.
- Main IPC: H01M10/00
- IPC: H01M10/00 ; H01M10/0569 ; H01M10/0567

Abstract:
An electrolyte is provided. The electrolyte includes a solvent containing propylene carbonate (PC); a lithium salt dissolved in the solvent; a first additive dissolved in the solvent, the first additive being configured to stabilize an anode solid electrolyte interphase; a second additive dissolved in the solvent, the second additive being configured to stabilize at least one of an anode, a cathode, or the lithium salt; and a third additive dissolved in the solvent, the third additive being configured to stabilize at least one of an anode, a cathode, or the lithium salt. The first, second, and third additives are chemically distinct. Electrochemical cells including the electrolyte are also provided.
Public/Granted literature
- US20220140396A1 PROPYLENE CARBONATE-BASED ELECTROLYTE WITH EXTENDED LONG CYCLE LIFE Public/Granted day:2022-05-05
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