Unraveling the Mechanism of Cooperative Redox Chemistry in High‐Efficient Zn2+ Storage of Vanadium Oxide Cathode
Abstract The inferior capacity and cyclic durability of V2O5 caused by inadequate active sites and sluggish kinetics are the main problems to encumber the widespread industrial applications of vanadium‐zinc batteries (VZBs). Herein, a cooperative redox chemistry (CRC) as “electron carrier” is propos...
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| Format: | Article |
| Language: | English |
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Wiley
2024-01-01
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| Series: | Advanced Science |
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| Online Access: | https://doi.org/10.1002/advs.202305749 |
| _version_ | 1797365279111512064 |
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| author | Lijun Zhou Ping Li Chenghui Zeng Ang Yi Jinhao Xie Fuxin Wang Dezhou Zheng Qi Liu Xihong Lu |
| author_facet | Lijun Zhou Ping Li Chenghui Zeng Ang Yi Jinhao Xie Fuxin Wang Dezhou Zheng Qi Liu Xihong Lu |
| author_sort | Lijun Zhou |
| collection | DOAJ |
| description | Abstract The inferior capacity and cyclic durability of V2O5 caused by inadequate active sites and sluggish kinetics are the main problems to encumber the widespread industrial applications of vanadium‐zinc batteries (VZBs). Herein, a cooperative redox chemistry (CRC) as “electron carrier” is proposed to facilitate the electron‐transfer by capturing/providing electrons for the redox of V2O5. The increased oxygen vacancies in V2O5 provoked in situ by CRC offers numerous Zn2+ storage sites and ion‐diffusion paths and reduces the electrostatic interactions between vanadium‐based cathode and intercalated Zn2+, which enhance Zn2+ storage capability and structural stability. The feasibility of this strategy is fully verified by some CRCs. Noticeably, VZB with [Fe(CN)6]3−/[Fe(CN)6]4− as CRC displays conspicuous specific capacity (433.3 mAh g−1), ≈100% coulombic efficiency and superb cyclability (≈3500 cycles without capacity attenuation). Also, the mechanism and selection criteria of CRC are specifically unraveled in this work, which provides insightful perspectives for the development of high‐efficiency energy‐storage devices. |
| first_indexed | 2024-03-08T16:47:49Z |
| format | Article |
| id | doaj.art-343b393bebca4af1a842065d373ad3e8 |
| institution | Directory Open Access Journal |
| issn | 2198-3844 |
| language | English |
| last_indexed | 2024-03-08T16:47:49Z |
| publishDate | 2024-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj.art-343b393bebca4af1a842065d373ad3e82024-01-05T08:26:59ZengWileyAdvanced Science2198-38442024-01-01111n/an/a10.1002/advs.202305749Unraveling the Mechanism of Cooperative Redox Chemistry in High‐Efficient Zn2+ Storage of Vanadium Oxide CathodeLijun Zhou0Ping Li1Chenghui Zeng2Ang Yi3Jinhao Xie4Fuxin Wang5Dezhou Zheng6Qi Liu7Xihong Lu8School of Applied Physics and Materials Wuyi University Jiangmen 529020 P. R. ChinaCollege of Chemistry and Chemical Engineering Research Center for Ultra Fine Powder Materials Key Laboratory of Functional Small Organic Molecule Ministry of Education and Jiangxi's Key Laboratory of Green Chemistry Jiangxi Normal University Nanchang 330022 P. R. ChinaCollege of Chemistry and Chemical Engineering Research Center for Ultra Fine Powder Materials Key Laboratory of Functional Small Organic Molecule Ministry of Education and Jiangxi's Key Laboratory of Green Chemistry Jiangxi Normal University Nanchang 330022 P. R. ChinaMOE of the Key Laboratory of Bioinorganic and Synthetic Chemistry The Key Lab of Low‐carbon Chem & Energy Conservation of Guangdong Province School of Chemistry Sun Yat‐Sen University Guangzhou 510275 P. R. ChinaMOE of the Key Laboratory of Bioinorganic and Synthetic Chemistry The Key Lab of Low‐carbon Chem & Energy Conservation of Guangdong Province School of Chemistry Sun Yat‐Sen University Guangzhou 510275 P. R. ChinaSchool of Applied Physics and Materials Wuyi University Jiangmen 529020 P. R. ChinaSchool of Applied Physics and Materials Wuyi University Jiangmen 529020 P. R. ChinaDepartment of Physics City University of Hong Kong Hong Kong 999077 P. R. ChinaSchool of Applied Physics and Materials Wuyi University Jiangmen 529020 P. R. ChinaAbstract The inferior capacity and cyclic durability of V2O5 caused by inadequate active sites and sluggish kinetics are the main problems to encumber the widespread industrial applications of vanadium‐zinc batteries (VZBs). Herein, a cooperative redox chemistry (CRC) as “electron carrier” is proposed to facilitate the electron‐transfer by capturing/providing electrons for the redox of V2O5. The increased oxygen vacancies in V2O5 provoked in situ by CRC offers numerous Zn2+ storage sites and ion‐diffusion paths and reduces the electrostatic interactions between vanadium‐based cathode and intercalated Zn2+, which enhance Zn2+ storage capability and structural stability. The feasibility of this strategy is fully verified by some CRCs. Noticeably, VZB with [Fe(CN)6]3−/[Fe(CN)6]4− as CRC displays conspicuous specific capacity (433.3 mAh g−1), ≈100% coulombic efficiency and superb cyclability (≈3500 cycles without capacity attenuation). Also, the mechanism and selection criteria of CRC are specifically unraveled in this work, which provides insightful perspectives for the development of high‐efficiency energy‐storage devices.https://doi.org/10.1002/advs.202305749cooperative redox chemistryelectron carrierhigh capacityvanadium oxideZn ion batteries |
| spellingShingle | Lijun Zhou Ping Li Chenghui Zeng Ang Yi Jinhao Xie Fuxin Wang Dezhou Zheng Qi Liu Xihong Lu Unraveling the Mechanism of Cooperative Redox Chemistry in High‐Efficient Zn2+ Storage of Vanadium Oxide Cathode Advanced Science cooperative redox chemistry electron carrier high capacity vanadium oxide Zn ion batteries |
| title | Unraveling the Mechanism of Cooperative Redox Chemistry in High‐Efficient Zn2+ Storage of Vanadium Oxide Cathode |
| title_full | Unraveling the Mechanism of Cooperative Redox Chemistry in High‐Efficient Zn2+ Storage of Vanadium Oxide Cathode |
| title_fullStr | Unraveling the Mechanism of Cooperative Redox Chemistry in High‐Efficient Zn2+ Storage of Vanadium Oxide Cathode |
| title_full_unstemmed | Unraveling the Mechanism of Cooperative Redox Chemistry in High‐Efficient Zn2+ Storage of Vanadium Oxide Cathode |
| title_short | Unraveling the Mechanism of Cooperative Redox Chemistry in High‐Efficient Zn2+ Storage of Vanadium Oxide Cathode |
| title_sort | unraveling the mechanism of cooperative redox chemistry in high efficient zn2 storage of vanadium oxide cathode |
| topic | cooperative redox chemistry electron carrier high capacity vanadium oxide Zn ion batteries |
| url | https://doi.org/10.1002/advs.202305749 |
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