Electrochemically and Thermally Stable Inorganics-Rich Solid Electrolyte Interphase for Robust Lithium Metal Batteries
© 2023 Wiley-VCH GmbH..
Severe dendrite growth and high-level activity of the lithium metal anode lead to a short life span and poor safety, seriously hindering the practical applications of lithium metal batteries. With a trisalt electrolyte design, an F-/N-containing inorganics-rich solid electrolyte interphase on a lithium anode is constructed, which is electrochemically and thermally stable over long-term cycles and safety abuse conditions. As a result, its Coulombic efficiency can be maintained over 98.98% for 400 cycles. An 85.0% capacity can be retained for coin-type full cells with a 3.14 mAh cm-2 LiNi0.5 Co0.2 Mn0.3 O2 cathode after 200 cycles and 1.0 Ah pouch-type full cells with a 4.0 mAh cm-2 cathode after 72 cycles. During the thermal runaway tests of a cycled 1.0 Ah pouch cell, the onset and triggering temperatures were increased from 70.8 °C and 117.4 °C to 100.6 °C and 153.1 °C, respectively, indicating a greatly enhanced safety performance. This work gives novel insights into electrolyte and interface design, potentially paving the way for high-energy-density, long-life-span, and thermally safe lithium metal batteries.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:36 |
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| Enthalten in: |
Advanced materials (Deerfield Beach, Fla.) - 36(2024), 1 vom: 21. Jan., Seite e2307370 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Cheng, Xin-Bing [VerfasserIn] |
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| Links: |
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| Themen: |
Dendrite |
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| Anmerkungen: |
Date Revised 04.01.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/adma.202307370 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Severe dendrite growth and high-level activity of the lithium metal anode lead to a short life span and poor safety, seriously hindering the practical applications of lithium metal batteries. With a trisalt electrolyte design, an F-/N-containing inorganics-rich solid electrolyte interphase on a lithium anode is constructed, which is electrochemically and thermally stable over long-term cycles and safety abuse conditions. As a result, its Coulombic efficiency can be maintained over 98.98% for 400 cycles. An 85.0% capacity can be retained for coin-type full cells with a 3.14 mAh cm-2 LiNi0.5 Co0.2 Mn0.3 O2 cathode after 200 cycles and 1.0 Ah pouch-type full cells with a 4.0 mAh cm-2 cathode after 72 cycles. During the thermal runaway tests of a cycled 1.0 Ah pouch cell, the onset and triggering temperatures were increased from 70.8 °C and 117.4 °C to 100.6 °C and 153.1 °C, respectively, indicating a greatly enhanced safety performance. This work gives novel insights into electrolyte and interface design, potentially paving the way for high-energy-density, long-life-span, and thermally safe lithium metal batteries | ||
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| 700 | 1 | |a Yang, Shi-Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Zaichun |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Jia-Xin |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Feng-Ni |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Feng |e verfasserin |4 aut | |
| 700 | 1 | |a Xiong, Xiaosong |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Wen-Bo |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Hong |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Jia-Qi |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Yuping |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Qiang |e verfasserin |4 aut | |
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