Transforming a Primary Li-SOCl2 Battery into a High-Power Rechargeable System via Molecular Catalysis
Li-SOCl2 batteries possess ultrahigh energy densities and superior safety features at a wide range of operating temperatures. However, the Li-SOCl2 battery system suffers from poor reversibility due to the sluggish kinetics of SOCl2 reduction during discharging and the oxidation of the insulating discharge products during charging. To achieve a high-power rechargeable Li-SOCl2 battery, herein we introduce the molecular catalyst I2 into the electrolyte to tailor the charging and discharging reaction pathways. The as-assembled rechargeable cell exhibits superior power density, sustaining an ultrahigh current density of 100 mA cm-2 during discharging and delivering a reversible capacity of 1 mAh cm-2 for 200 cycles at a current density of 2 mA cm-2 and 6 mAh cm-2 for 50 cycles at a current density of 5 mA cm-2. Our results reveal the molecular catalyst-mediated reaction mechanisms that fundamentally alter the rate-determining steps of discharging and charging in Li-SOCl2 batteries and highlight the viability of transforming a primary high-energy battery into a high-power rechargeable system, which has great potential to meet the ever-increasing demand of energy-storage systems.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:145 |
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| Enthalten in: |
Journal of the American Chemical Society - 145(2023), 40 vom: 11. Okt., Seite 22158-22167 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chen, Guodong [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 11.10.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1021/jacs.3c07927 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM362753245 |
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| 245 | 1 | 0 | |a Transforming a Primary Li-SOCl2 Battery into a High-Power Rechargeable System via Molecular Catalysis |
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| 520 | |a Li-SOCl2 batteries possess ultrahigh energy densities and superior safety features at a wide range of operating temperatures. However, the Li-SOCl2 battery system suffers from poor reversibility due to the sluggish kinetics of SOCl2 reduction during discharging and the oxidation of the insulating discharge products during charging. To achieve a high-power rechargeable Li-SOCl2 battery, herein we introduce the molecular catalyst I2 into the electrolyte to tailor the charging and discharging reaction pathways. The as-assembled rechargeable cell exhibits superior power density, sustaining an ultrahigh current density of 100 mA cm-2 during discharging and delivering a reversible capacity of 1 mAh cm-2 for 200 cycles at a current density of 2 mA cm-2 and 6 mAh cm-2 for 50 cycles at a current density of 5 mA cm-2. Our results reveal the molecular catalyst-mediated reaction mechanisms that fundamentally alter the rate-determining steps of discharging and charging in Li-SOCl2 batteries and highlight the viability of transforming a primary high-energy battery into a high-power rechargeable system, which has great potential to meet the ever-increasing demand of energy-storage systems | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Li, Wenda |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Xiaofan |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Chen |e verfasserin |4 aut | |
| 700 | 1 | |a Qu, Xuelian |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Xiangyu |e verfasserin |4 aut | |
| 700 | 1 | |a Dong, Shanmu |e verfasserin |4 aut | |
| 700 | 1 | |a Cui, Guanglei |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Liquan |e verfasserin |4 aut | |
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