Joint cationic and anionic redox chemistry in a vanadium oxide cathode for zinc batteries achieving high energy density
Abstract Rechargeable aqueous zinc batteries are promising for large‐scale energy storage due to their low cost and high safety; however, their energy density has reached the ceiling based on conventional cathodes with a single cationic redox reaction mechanism. Herein, a highly reversible cathode o...
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| Format: | Article |
| Language: | English |
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Wiley
2024-11-01
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| Series: | Carbon Energy |
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| Online Access: | https://doi.org/10.1002/cey2.577 |
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| author | Wenfeng Wang Lu Zhang Zeang Duan Ruyue Li Jiajin Zhao Longteng Tang Yiming Sui Yadi Qi Shumin Han Chong Fang Desong Wang Xiulei Ji |
| author_facet | Wenfeng Wang Lu Zhang Zeang Duan Ruyue Li Jiajin Zhao Longteng Tang Yiming Sui Yadi Qi Shumin Han Chong Fang Desong Wang Xiulei Ji |
| author_sort | Wenfeng Wang |
| collection | DOAJ |
| description | Abstract Rechargeable aqueous zinc batteries are promising for large‐scale energy storage due to their low cost and high safety; however, their energy density has reached the ceiling based on conventional cathodes with a single cationic redox reaction mechanism. Herein, a highly reversible cathode of typical layered vanadium oxide is reported, which operates on both the cationic redox couple of V5+/V3+ accompanied by the Zn2+ storage and the anionic O–/O2– redox couple by anion hosting in an aqueous deep eutectic solvent electrolyte. The reversible oxygen redox delivers an additional capacity of ∼100 mAh g–1 at an operating voltage of ∼1.80 V, which increases the energy density of the cathode by ∼36%, endowing the cathode system a record high energy density of ∼506 Wh kg–1. The findings highlight new opportunities for the design of high‐energy zinc batteries with both Zn2+ and anions as charge carriers. |
| format | Article |
| id | doaj-art-ea6d3265c9244dad9ece6f6893dc729e |
| institution | OA Journals |
| issn | 2637-9368 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Wiley |
| record_format | Article |
| series | Carbon Energy |
| spelling | doaj-art-ea6d3265c9244dad9ece6f6893dc729e2025-08-20T01:54:15ZengWileyCarbon Energy2637-93682024-11-01611n/an/a10.1002/cey2.577Joint cationic and anionic redox chemistry in a vanadium oxide cathode for zinc batteries achieving high energy densityWenfeng Wang0Lu Zhang1Zeang Duan2Ruyue Li3Jiajin Zhao4Longteng Tang5Yiming Sui6Yadi Qi7Shumin Han8Chong Fang9Desong Wang10Xiulei Ji11Hebei Key Laboratory of Applied Chemistry, State Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao ChinaHebei Key Laboratory of Applied Chemistry, State Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao ChinaHebei Key Laboratory of Applied Chemistry, State Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao ChinaHebei Key Laboratory of Applied Chemistry, State Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao ChinaHebei Key Laboratory of Applied Chemistry, State Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao ChinaDepartment of Chemistry Oregon State University Corvallis Oregon USADepartment of Chemistry Oregon State University Corvallis Oregon USAHebei Key Laboratory of Applied Chemistry, State Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao ChinaHebei Key Laboratory of Applied Chemistry, State Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao ChinaDepartment of Chemistry Oregon State University Corvallis Oregon USAHebei Key Laboratory of Applied Chemistry, State Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao ChinaDepartment of Chemistry Oregon State University Corvallis Oregon USAAbstract Rechargeable aqueous zinc batteries are promising for large‐scale energy storage due to their low cost and high safety; however, their energy density has reached the ceiling based on conventional cathodes with a single cationic redox reaction mechanism. Herein, a highly reversible cathode of typical layered vanadium oxide is reported, which operates on both the cationic redox couple of V5+/V3+ accompanied by the Zn2+ storage and the anionic O–/O2– redox couple by anion hosting in an aqueous deep eutectic solvent electrolyte. The reversible oxygen redox delivers an additional capacity of ∼100 mAh g–1 at an operating voltage of ∼1.80 V, which increases the energy density of the cathode by ∼36%, endowing the cathode system a record high energy density of ∼506 Wh kg–1. The findings highlight new opportunities for the design of high‐energy zinc batteries with both Zn2+ and anions as charge carriers.https://doi.org/10.1002/cey2.577aqueous batterieshigh energy densityoxygen redoxzinc anodeszinc batteries |
| spellingShingle | Wenfeng Wang Lu Zhang Zeang Duan Ruyue Li Jiajin Zhao Longteng Tang Yiming Sui Yadi Qi Shumin Han Chong Fang Desong Wang Xiulei Ji Joint cationic and anionic redox chemistry in a vanadium oxide cathode for zinc batteries achieving high energy density Carbon Energy aqueous batteries high energy density oxygen redox zinc anodes zinc batteries |
| title | Joint cationic and anionic redox chemistry in a vanadium oxide cathode for zinc batteries achieving high energy density |
| title_full | Joint cationic and anionic redox chemistry in a vanadium oxide cathode for zinc batteries achieving high energy density |
| title_fullStr | Joint cationic and anionic redox chemistry in a vanadium oxide cathode for zinc batteries achieving high energy density |
| title_full_unstemmed | Joint cationic and anionic redox chemistry in a vanadium oxide cathode for zinc batteries achieving high energy density |
| title_short | Joint cationic and anionic redox chemistry in a vanadium oxide cathode for zinc batteries achieving high energy density |
| title_sort | joint cationic and anionic redox chemistry in a vanadium oxide cathode for zinc batteries achieving high energy density |
| topic | aqueous batteries high energy density oxygen redox zinc anodes zinc batteries |
| url | https://doi.org/10.1002/cey2.577 |
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