Designing electrolyte with multi-ether solvation structure enabling low-temperature sodium ion capacitor
Sodium-ion hybrid capacitors (SICs), which combine the high energy density of batteries with the high power density and long cycle life of capacitors, are considered promising next-generation energy storage devices. Ensuring the performance of SICs in low-temperature environments is crucial for appl...
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| Format: | Article |
| Language: | English |
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IOP Publishing
2025-01-01
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| Series: | International Journal of Extreme Manufacturing |
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| Online Access: | https://doi.org/10.1088/2631-7990/adbfe0 |
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| author | Dongming Liu Mengfan Pei Xin Jin Lin Wang Wanyuan Jiang Borui Li Runyue Mao Xigao Jian Fangyuan Hu |
| author_facet | Dongming Liu Mengfan Pei Xin Jin Lin Wang Wanyuan Jiang Borui Li Runyue Mao Xigao Jian Fangyuan Hu |
| author_sort | Dongming Liu |
| collection | DOAJ |
| description | Sodium-ion hybrid capacitors (SICs), which combine the high energy density of batteries with the high power density and long cycle life of capacitors, are considered promising next-generation energy storage devices. Ensuring the performance of SICs in low-temperature environments is crucial for applications in high-altitude cold regions, where the desolvation process of Na ^+ and the transport process in the solid electrolyte interphase (SEI) are determinant. In this paper, we proposed a multi-ether modulation strategy to construct a solvation sheath with multi-ether participation by modulating the coordination of Na ^+ and solvents. This unique solvation sheath not only reduces the desolvation energy barrier of Na ^+ , but more importantly forms a Na _2 O-rich inorganic SEI and enhances the ionic dynamics of Na ^+ . Benefiting from the excellent solvation structure design, SICs prepared with this electrolyte can achieve energy density of up to 178 Wh·kg ^‒1 and ultra-high power density of 42 390 W·kg ^‒1 at room temperature. Notably, this SIC delivers record-high energy densities of 149 Wh·kg ^‒1 and 119 Wh·kg ^‒1 as well as power densities of up to 25 200 W·kg ^‒1 and 24 591 W·kg ^‒1 at ‒20 °C and ‒40 °C, respectively. This work provides new ideas for the development of high-performance SICs for low-temperature operating environments. |
| format | Article |
| id | doaj-art-ff6b3d6f0a174fb08472b97e6007ee27 |
| institution | DOAJ |
| issn | 2631-7990 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | International Journal of Extreme Manufacturing |
| spelling | doaj-art-ff6b3d6f0a174fb08472b97e6007ee272025-08-20T03:07:09ZengIOP PublishingInternational Journal of Extreme Manufacturing2631-79902025-01-017404550410.1088/2631-7990/adbfe0Designing electrolyte with multi-ether solvation structure enabling low-temperature sodium ion capacitorDongming Liu0Mengfan Pei1Xin Jin2Lin Wang3Wanyuan Jiang4Borui Li5Runyue Mao6Xigao Jian7Fangyuan Hu8https://orcid.org/0000-0002-1611-7372School of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology , Dalian 116024, People’s Republic of ChinaSchool of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology , Dalian 116024, People’s Republic of ChinaSchool of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology , Dalian 116024, People’s Republic of ChinaState Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, School of Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology , Dalian 116024, People’s Republic of ChinaState Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, School of Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology , Dalian 116024, People’s Republic of ChinaSchool of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology , Dalian 116024, People’s Republic of ChinaSchool of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology , Dalian 116024, People’s Republic of ChinaSchool of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology , Dalian 116024, People’s Republic of China; State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, School of Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology , Dalian 116024, People’s Republic of ChinaSchool of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology , Dalian 116024, People’s Republic of ChinaSodium-ion hybrid capacitors (SICs), which combine the high energy density of batteries with the high power density and long cycle life of capacitors, are considered promising next-generation energy storage devices. Ensuring the performance of SICs in low-temperature environments is crucial for applications in high-altitude cold regions, where the desolvation process of Na ^+ and the transport process in the solid electrolyte interphase (SEI) are determinant. In this paper, we proposed a multi-ether modulation strategy to construct a solvation sheath with multi-ether participation by modulating the coordination of Na ^+ and solvents. This unique solvation sheath not only reduces the desolvation energy barrier of Na ^+ , but more importantly forms a Na _2 O-rich inorganic SEI and enhances the ionic dynamics of Na ^+ . Benefiting from the excellent solvation structure design, SICs prepared with this electrolyte can achieve energy density of up to 178 Wh·kg ^‒1 and ultra-high power density of 42 390 W·kg ^‒1 at room temperature. Notably, this SIC delivers record-high energy densities of 149 Wh·kg ^‒1 and 119 Wh·kg ^‒1 as well as power densities of up to 25 200 W·kg ^‒1 and 24 591 W·kg ^‒1 at ‒20 °C and ‒40 °C, respectively. This work provides new ideas for the development of high-performance SICs for low-temperature operating environments.https://doi.org/10.1088/2631-7990/adbfe0sodium ion capacitorssolvated structureNa2O-rich SEIlow operating temperature |
| spellingShingle | Dongming Liu Mengfan Pei Xin Jin Lin Wang Wanyuan Jiang Borui Li Runyue Mao Xigao Jian Fangyuan Hu Designing electrolyte with multi-ether solvation structure enabling low-temperature sodium ion capacitor International Journal of Extreme Manufacturing sodium ion capacitors solvated structure Na2O-rich SEI low operating temperature |
| title | Designing electrolyte with multi-ether solvation structure enabling low-temperature sodium ion capacitor |
| title_full | Designing electrolyte with multi-ether solvation structure enabling low-temperature sodium ion capacitor |
| title_fullStr | Designing electrolyte with multi-ether solvation structure enabling low-temperature sodium ion capacitor |
| title_full_unstemmed | Designing electrolyte with multi-ether solvation structure enabling low-temperature sodium ion capacitor |
| title_short | Designing electrolyte with multi-ether solvation structure enabling low-temperature sodium ion capacitor |
| title_sort | designing electrolyte with multi ether solvation structure enabling low temperature sodium ion capacitor |
| topic | sodium ion capacitors solvated structure Na2O-rich SEI low operating temperature |
| url | https://doi.org/10.1088/2631-7990/adbfe0 |
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