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| Hauptseite > Publikationsdatenbank > Effective SEI Formation via Phosphazene‐Based Electrolyte Additives for Stabilizing Silicon‐Based Lithium‐Ion Batteries > print |
| Hauptseite > Publikationsdatenbank > Effective SEI Formation via Phosphazene‐Based Electrolyte Additives for Stabilizing Silicon‐Based Lithium‐Ion Batteries > print |
| 001 | 1025198 | ||
| 005 | 20250203103226.0 | ||
| 024 | 7 | _ | |a 10.1002/aenm.202203503 |2 doi |
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| 037 | _ | _ | |a FZJ-2024-02766 |
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| 100 | 1 | _ | |a Ghaur, Adjmal |b 0 |
| 245 | _ | _ | |a Effective SEI Formation via Phosphazene‐Based Electrolyte Additives for Stabilizing Silicon‐Based Lithium‐Ion Batteries |
| 260 | _ | _ | |a Weinheim |c 2023 |b Wiley-VCH |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1714574650_3947 |2 PUB:(DE-HGF) |
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| 500 | _ | _ | |a Unterstützt durch Projekt: GrEEn” (313-W044A) |
| 520 | _ | _ | |a Silicon, as potential next-generation anode material for high-energy lithium-ion batteries (LIBs), suffers from substantial volume changes during (dis)charging, resulting in continuous breakage and (re-)formation of the solid electrolyte interphase (SEI), as well as from consumption of electrolyte and active lithium, which negatively impacts long-term performance and prevents silicon-rich anodes from practical application. In this work, fluorinated phosphazene compounds are investigated as electrolyte additives concerning their SEI-forming ability for boosting the performance of silicon oxide (SiOx)-based LIB cells. In detail, the electrochemical performance of NCM523 || SiOx/C pouch cells is studied, in combination with analyses regarding gas evolution properties, post-mortem morphological changes of the anode electrode and the SEI, as well as possible electrolyte degradation. Introducing the dual-additive approach in state-of-the-art electrolytes leads to synergistic effects between fluoroethylene carbonate and hexafluorocyclotriphosphazene-derivatives (HFPN), as well as enhanced electrochemical performance. The formation of a more effective SEI and increased electrolyte stabilization improves lifetime and results in an overall lower cell impedance. Furthermore, gas chromatography-mass spectrometry measurements of the aged electrolyte with HFPN-derivatives as an additive compound show suppressed ethylene carbonate and ethyl methyl carbonate decomposition, as well as reduced trans-esterification and oligomerization products in the aged electrolyte. |
| 536 | _ | _ | |a 1221 - Fundamentals and Materials (POF4-122) |0 G:(DE-HGF)POF4-1221 |c POF4-122 |f POF IV |x 0 |
| 536 | _ | _ | |a SeNSE - Lithium-ion battery with silicon anode, nickel-rich cathode and in-cell sensor for electric vehicles (875548) |0 G:(EU-Grant)875548 |c 875548 |f H2020-LC-BAT-2019 |x 1 |
| 588 | _ | _ | |a Dataset connected to DataCite |
| 700 | 1 | _ | |a Peschel, Christoph |b 1 |
| 700 | 1 | _ | |a Dienwiebel, Iris |b 2 |
| 700 | 1 | _ | |a Haneke, Lukas |b 3 |
| 700 | 1 | _ | |a Du, Leilei |b 4 |
| 700 | 1 | _ | |a Profanter, Laurin |b 5 |
| 700 | 1 | _ | |a Gomez-Martin, Aurora |0 0000-0001-7053-3986 |b 6 |
| 700 | 1 | _ | |a Winter, Martin |0 P:(DE-Juel1)166130 |b 7 |
| 700 | 1 | _ | |a Nowak, Sascha |0 0000-0003-1508-6073 |b 8 |
| 700 | 1 | _ | |a Placke, Tobias |0 0000-0002-2097-5193 |b 9 |e Corresponding author |
| 773 | _ | _ | |a 10.1002/aenm.202203503 |g Vol. 13, no. 26, p. 2203503 |0 PERI:(DE-600)2594556-7 |n 26 |p 2203503 |t Advanced energy materials |v 13 |y 2023 |x 1614-6832 |
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