Five Volts Lithium Batteries with Advanced Carbonate-Based Electrolytes : A Rational Design via a Trio-Functional Addon Materials

© 2024 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 44 vom: 06. Nov., Seite e2410277
1. Verfasser: Zhang, Fuming (VerfasserIn)
Weitere Verfasser: Zhang, Peng, Zhang, Wenhua, Gonzalez, Pedro R, Tan, Daniel Q, Ein-Eli, Yair
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 5 volts operation Li ion battery Lithium metal electrolyte design high potential
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520 |a Lithium metal batteries paired with high-voltage LiNi0.5Mn1.5O4 (LNMO) cathodes are a promising energy storage source for achieving enhanced high energy density. Forming durable and robust solid-electrolyte interphase (SEI) and cathode-electrolyte interface (CEI) and the ability to withstand oxidation at high potentials are essential for long-lasting performance. Herein, advanced electrolytes are designed via trio-functional additives to carbonate-based electrolytes for 5 V Li||LNMO and graphite||LNMO cells achieving 88.3% capacity retention after 500 charge-discharge cycles. Theoretical calculations reveal that adding adiponitrile facilitates the presence of more hierarchical DFOB- and PF6 - dual anion structure in the solvation sheath, leading to a faster de-solvation of the Li cation. By combining both fluorine and nitrile additives, an efficient synergistic effect is obtained, generating robust thin inorganic SEI and CEI films, respectively. These films enhance microstructural stability; Li dendrite growth on the Li electrode is being suppressed at the anode side and transition-metals dissolution from the cathode is being mitigated, as evidenced by cryo-transmission electron microscopy and synchrotron studies 
650 4 |a Journal Article 
650 4 |a 5 volts operation 
650 4 |a Li ion battery 
650 4 |a Lithium metal 
650 4 |a electrolyte design 
650 4 |a high potential 
700 1 |a Zhang, Peng  |e verfasserin  |4 aut 
700 1 |a Zhang, Wenhua  |e verfasserin  |4 aut 
700 1 |a Gonzalez, Pedro R  |e verfasserin  |4 aut 
700 1 |a Tan, Daniel Q  |e verfasserin  |4 aut 
700 1 |a Ein-Eli, Yair  |e verfasserin  |4 aut 
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