In Situ Atomic‐Scale Investigation of Structural Evolution During Sodiation/Desodiation Processes in Na3V2(PO4)3‐Based All‐Solid‐State Sodium Batteries
Abstract Recently, all‐solid‐state sodium batteries (Na‐ASSBs) have received increased interest owing to their high safety and potential of high energy density. The potential of Na‐ASSBs based on sodium superionic conductor (NASICON)‐structured Na3V2(PO4)3(Na3VP) cathodes have been proven by their h...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2023-11-01
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| Series: | Advanced Science |
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| Online Access: | https://doi.org/10.1002/advs.202301490 |
| _version_ | 1797627743624495104 |
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| author | Fang‐Chun Shen Qianli Ma Frank Tietz Jui‐Cheng Kao Chi‐Ting Huang Rahmandhika Firdauzha Hary Hernandha Chun‐Wei Huang Yu‐Chieh Lo Jeng‐Kuei Chang Wen‐Wei Wu |
| author_facet | Fang‐Chun Shen Qianli Ma Frank Tietz Jui‐Cheng Kao Chi‐Ting Huang Rahmandhika Firdauzha Hary Hernandha Chun‐Wei Huang Yu‐Chieh Lo Jeng‐Kuei Chang Wen‐Wei Wu |
| author_sort | Fang‐Chun Shen |
| collection | DOAJ |
| description | Abstract Recently, all‐solid‐state sodium batteries (Na‐ASSBs) have received increased interest owing to their high safety and potential of high energy density. The potential of Na‐ASSBs based on sodium superionic conductor (NASICON)‐structured Na3V2(PO4)3(Na3VP) cathodes have been proven by their high capacity and a long cycling stability closely related to the microstructural evolution. However, the detailed kinetics of the electrochemical processes in the cathodes is still unclear. In this work, the sodiation/desodiation process of Na3VP is first investigated using in situ high‐resolution transmission electron microscopy (HRTEM). The intermediate Na2V2(PO4)3 (Na2VP) phase with the P21/c space group, which would be inhibited by constant electron beam irradiation, is observed at the atomic scale. With the calculated volume change and the electrode–electrolyte interface after cycling, it can be concluded that the Na2VP phase reduces the lattice mismatch between Na3VP and NaV2(PO4)3 (NaVP), preventing structural collapse. Based on the density functional theory calculation (DFT), the Na+ ion migrates more rapidly in the Na2VP structure, which facilitates the desodiation and sodiation processes. The formation of Na2VP phase lowers the formation energy of NaVP. This study demonstrates the dynamic evolution of the Na3VP structure, paving the way for an in‐depth understanding of electrode materials for energy‐storage applications. |
| first_indexed | 2024-03-11T10:28:40Z |
| format | Article |
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| institution | Directory Open Access Journal |
| issn | 2198-3844 |
| language | English |
| last_indexed | 2024-03-11T10:28:40Z |
| publishDate | 2023-11-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj.art-7f63d3cec13c4c88896dba6abeaa550b2023-11-15T05:46:35ZengWileyAdvanced Science2198-38442023-11-011032n/an/a10.1002/advs.202301490In Situ Atomic‐Scale Investigation of Structural Evolution During Sodiation/Desodiation Processes in Na3V2(PO4)3‐Based All‐Solid‐State Sodium BatteriesFang‐Chun Shen0Qianli Ma1Frank Tietz2Jui‐Cheng Kao3Chi‐Ting Huang4Rahmandhika Firdauzha Hary Hernandha5Chun‐Wei Huang6Yu‐Chieh Lo7Jeng‐Kuei Chang8Wen‐Wei Wu9Department of Materials Science and Engineering National Yang Ming Chiao Tung University Hsinchu 30010 TaiwanForschungszentrum Jülich GmbH Institute of Energy and Climate Research Materials Synthesis and Processing (IEK‐1) 52425 Jülich GermanyForschungszentrum Jülich GmbH Institute of Energy and Climate Research Materials Synthesis and Processing (IEK‐1) 52425 Jülich GermanyDepartment of Materials Science and Engineering National Yang Ming Chiao Tung University Hsinchu 30010 TaiwanDepartment of Materials Science and Engineering National Yang Ming Chiao Tung University Hsinchu 30010 TaiwanDepartment of Materials Science and Engineering National Yang Ming Chiao Tung University Hsinchu 30010 TaiwanDepartment of Materials Science and Engineering Feng Chia University No. 100, Wenhwa Rd., Seatwen Taichung 40724 TaiwanDepartment of Materials Science and Engineering National Yang Ming Chiao Tung University Hsinchu 30010 TaiwanDepartment of Materials Science and Engineering National Yang Ming Chiao Tung University Hsinchu 30010 TaiwanDepartment of Materials Science and Engineering National Yang Ming Chiao Tung University Hsinchu 30010 TaiwanAbstract Recently, all‐solid‐state sodium batteries (Na‐ASSBs) have received increased interest owing to their high safety and potential of high energy density. The potential of Na‐ASSBs based on sodium superionic conductor (NASICON)‐structured Na3V2(PO4)3(Na3VP) cathodes have been proven by their high capacity and a long cycling stability closely related to the microstructural evolution. However, the detailed kinetics of the electrochemical processes in the cathodes is still unclear. In this work, the sodiation/desodiation process of Na3VP is first investigated using in situ high‐resolution transmission electron microscopy (HRTEM). The intermediate Na2V2(PO4)3 (Na2VP) phase with the P21/c space group, which would be inhibited by constant electron beam irradiation, is observed at the atomic scale. With the calculated volume change and the electrode–electrolyte interface after cycling, it can be concluded that the Na2VP phase reduces the lattice mismatch between Na3VP and NaV2(PO4)3 (NaVP), preventing structural collapse. Based on the density functional theory calculation (DFT), the Na+ ion migrates more rapidly in the Na2VP structure, which facilitates the desodiation and sodiation processes. The formation of Na2VP phase lowers the formation energy of NaVP. This study demonstrates the dynamic evolution of the Na3VP structure, paving the way for an in‐depth understanding of electrode materials for energy‐storage applications.https://doi.org/10.1002/advs.202301490all‐solid‐stateatomic‐scaledynamic evolutionin situ TEMNa2V2(PO4)3Na3V2(PO4)3 |
| spellingShingle | Fang‐Chun Shen Qianli Ma Frank Tietz Jui‐Cheng Kao Chi‐Ting Huang Rahmandhika Firdauzha Hary Hernandha Chun‐Wei Huang Yu‐Chieh Lo Jeng‐Kuei Chang Wen‐Wei Wu In Situ Atomic‐Scale Investigation of Structural Evolution During Sodiation/Desodiation Processes in Na3V2(PO4)3‐Based All‐Solid‐State Sodium Batteries Advanced Science all‐solid‐state atomic‐scale dynamic evolution in situ TEM Na2V2(PO4)3 Na3V2(PO4)3 |
| title | In Situ Atomic‐Scale Investigation of Structural Evolution During Sodiation/Desodiation Processes in Na3V2(PO4)3‐Based All‐Solid‐State Sodium Batteries |
| title_full | In Situ Atomic‐Scale Investigation of Structural Evolution During Sodiation/Desodiation Processes in Na3V2(PO4)3‐Based All‐Solid‐State Sodium Batteries |
| title_fullStr | In Situ Atomic‐Scale Investigation of Structural Evolution During Sodiation/Desodiation Processes in Na3V2(PO4)3‐Based All‐Solid‐State Sodium Batteries |
| title_full_unstemmed | In Situ Atomic‐Scale Investigation of Structural Evolution During Sodiation/Desodiation Processes in Na3V2(PO4)3‐Based All‐Solid‐State Sodium Batteries |
| title_short | In Situ Atomic‐Scale Investigation of Structural Evolution During Sodiation/Desodiation Processes in Na3V2(PO4)3‐Based All‐Solid‐State Sodium Batteries |
| title_sort | in situ atomic scale investigation of structural evolution during sodiation desodiation processes in na3v2 po4 3 based all solid state sodium batteries |
| topic | all‐solid‐state atomic‐scale dynamic evolution in situ TEM Na2V2(PO4)3 Na3V2(PO4)3 |
| url | https://doi.org/10.1002/advs.202301490 |
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