Rechargeable Hydrogen-Chlorine Battery Operates in a Wide Temperature Range
Hydrogen-chlorine (H2-Cl2) fuel cells have distinct merits due to fast electrochemical kinetics but are afflicted by high cost, low efficiency, and poor reversibility. The development of a rechargeable H2-Cl2 battery is highly desirable yet challenging. Here, we report a rechargeable H2-Cl2 battery operating statically in a wide temperature ranging from -70 to 40 °C, which is enabled by a reversible Cl2/Cl- redox cathode and an electrocatalytic H2 anode. A hierarchically porous carbon cathode is designed to achieve effective Cl2 gas confinement and activate the discharge plateau of Cl2/Cl- redox at room temperature, with a discharge plateau at ∼1.15 V and steady cycling for over 500 cycles without capacity decay. Furthermore, the battery operation at an ultralow temperature is successfully achieved in a phosphoric acid-based antifreezing electrolyte, with a reversible discharge capacity of 282 mAh g-1 provided by the highly porous carbon at -70 °C and an average Coulombic efficiency of 91% for more than 300 cycles at -40 °C. This work offers a new strategy to enhance the reversibility of aqueous chlorine batteries for energy storage applications in a wide temperature range.
| 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), 46 vom: 22. Nov., Seite 25422-25430 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Xie, Zehui [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 22.11.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1021/jacs.3c09819 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM363699732 |
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| 520 | |a Hydrogen-chlorine (H2-Cl2) fuel cells have distinct merits due to fast electrochemical kinetics but are afflicted by high cost, low efficiency, and poor reversibility. The development of a rechargeable H2-Cl2 battery is highly desirable yet challenging. Here, we report a rechargeable H2-Cl2 battery operating statically in a wide temperature ranging from -70 to 40 °C, which is enabled by a reversible Cl2/Cl- redox cathode and an electrocatalytic H2 anode. A hierarchically porous carbon cathode is designed to achieve effective Cl2 gas confinement and activate the discharge plateau of Cl2/Cl- redox at room temperature, with a discharge plateau at ∼1.15 V and steady cycling for over 500 cycles without capacity decay. Furthermore, the battery operation at an ultralow temperature is successfully achieved in a phosphoric acid-based antifreezing electrolyte, with a reversible discharge capacity of 282 mAh g-1 provided by the highly porous carbon at -70 °C and an average Coulombic efficiency of 91% for more than 300 cycles at -40 °C. This work offers a new strategy to enhance the reversibility of aqueous chlorine batteries for energy storage applications in a wide temperature range | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Zhu, Zhengxin |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Zaichun |e verfasserin |4 aut | |
| 700 | 1 | |a Sajid, Muhammad |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Na |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Mingming |e verfasserin |4 aut | |
| 700 | 1 | |a Meng, Yahan |e verfasserin |4 aut | |
| 700 | 1 | |a Peng, Qia |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Shuang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Weiping |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Taoli |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Kai |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Wei |e verfasserin |4 aut | |
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