Adsorption-attraction electrolyte addressing anion-deficient interface for lithium metal batteries
Constructing an optimal solid–electrolyte interphase (SEI) through electrolyte strategies is an effective approach to suppress lithium dendrites and improve deposition/stripping reversibility. Specifically, increasing the proportion of anion coordination in the inner Li+ solvation sheath promotes th...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co. Ltd.
2025-09-01
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| Series: | eScience |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2667141725000291 |
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| author | Pengbin Lai Yaqi Zhang Junhao Wang Minghui Chen Xinyu Li Xiaodie Deng Qichen Chen Boyang Huang Chaolun Gan Yeguo Zou Yu Qiao Peng Zhang Jinbao Zhao |
| author_facet | Pengbin Lai Yaqi Zhang Junhao Wang Minghui Chen Xinyu Li Xiaodie Deng Qichen Chen Boyang Huang Chaolun Gan Yeguo Zou Yu Qiao Peng Zhang Jinbao Zhao |
| author_sort | Pengbin Lai |
| collection | DOAJ |
| description | Constructing an optimal solid–electrolyte interphase (SEI) through electrolyte strategies is an effective approach to suppress lithium dendrites and improve deposition/stripping reversibility. Specifically, increasing the proportion of anion coordination in the inner Li+ solvation sheath promotes the formation of an anion-derived SEI that features a high content of inorganic components favoring Li+ diffusion. However, whether this anion-rich structure can persist during cycling has not been dynamically investigated. In this work, we not only construct a favorable solvation structure but also study its evolution in both bulk and interface regions across varying temperatures. Additionally, we employ the unique “adsorption-attraction” mechanism of trifluoromethoxybenzene (PhOCF3) solvent to inhibit the undesirable transition from an “anion-rich” to “anion-deficient” structure at the anode interface, which is confirmed by 2D NMR and in situ infrared spectroscopy. In summary, this work explores the solvation structure in depth and proposes new perspectives on designing electrolytes for lithium metal batteries. |
| format | Article |
| id | doaj-art-1520d2e4df8945a583f8baea05a2186c |
| institution | Kabale University |
| issn | 2667-1417 |
| language | English |
| publishDate | 2025-09-01 |
| publisher | KeAi Communications Co. Ltd. |
| record_format | Article |
| series | eScience |
| spelling | doaj-art-1520d2e4df8945a583f8baea05a2186c2025-08-25T04:14:53ZengKeAi Communications Co. Ltd.eScience2667-14172025-09-015510039910.1016/j.esci.2025.100399Adsorption-attraction electrolyte addressing anion-deficient interface for lithium metal batteriesPengbin Lai0Yaqi Zhang1Junhao Wang2Minghui Chen3Xinyu Li4Xiaodie Deng5Qichen Chen6Boyang Huang7Chaolun Gan8Yeguo Zou9Yu Qiao10Peng Zhang11Jinbao Zhao12State-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, ChinaState-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, ChinaState-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, ChinaState-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, ChinaCollege of Energy, Xiamen University, Xiamen 361102, ChinaState-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, ChinaCollege of Energy, Xiamen University, Xiamen 361102, ChinaState-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, ChinaZhangjiagang Guotai Huarong Chemical New Material Co., Ltd, Zhangjiagang 215634, ChinaState-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, ChinaState-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, ChinaCollege of Energy, Xiamen University, Xiamen 361102, China; Corresponding author.State-Province Joint Engineering Laboratory of Power Source Technology for New Energy Vehicle, Engineering Research Center of Electrochemical Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China; Corresponding author.Constructing an optimal solid–electrolyte interphase (SEI) through electrolyte strategies is an effective approach to suppress lithium dendrites and improve deposition/stripping reversibility. Specifically, increasing the proportion of anion coordination in the inner Li+ solvation sheath promotes the formation of an anion-derived SEI that features a high content of inorganic components favoring Li+ diffusion. However, whether this anion-rich structure can persist during cycling has not been dynamically investigated. In this work, we not only construct a favorable solvation structure but also study its evolution in both bulk and interface regions across varying temperatures. Additionally, we employ the unique “adsorption-attraction” mechanism of trifluoromethoxybenzene (PhOCF3) solvent to inhibit the undesirable transition from an “anion-rich” to “anion-deficient” structure at the anode interface, which is confirmed by 2D NMR and in situ infrared spectroscopy. In summary, this work explores the solvation structure in depth and proposes new perspectives on designing electrolytes for lithium metal batteries.http://www.sciencedirect.com/science/article/pii/S2667141725000291Solvation structureIn situ characterizationLithium metal batteryLow temperatureLocalized high-concentration electrolyte |
| spellingShingle | Pengbin Lai Yaqi Zhang Junhao Wang Minghui Chen Xinyu Li Xiaodie Deng Qichen Chen Boyang Huang Chaolun Gan Yeguo Zou Yu Qiao Peng Zhang Jinbao Zhao Adsorption-attraction electrolyte addressing anion-deficient interface for lithium metal batteries eScience Solvation structure In situ characterization Lithium metal battery Low temperature Localized high-concentration electrolyte |
| title | Adsorption-attraction electrolyte addressing anion-deficient interface for lithium metal batteries |
| title_full | Adsorption-attraction electrolyte addressing anion-deficient interface for lithium metal batteries |
| title_fullStr | Adsorption-attraction electrolyte addressing anion-deficient interface for lithium metal batteries |
| title_full_unstemmed | Adsorption-attraction electrolyte addressing anion-deficient interface for lithium metal batteries |
| title_short | Adsorption-attraction electrolyte addressing anion-deficient interface for lithium metal batteries |
| title_sort | adsorption attraction electrolyte addressing anion deficient interface for lithium metal batteries |
| topic | Solvation structure In situ characterization Lithium metal battery Low temperature Localized high-concentration electrolyte |
| url | http://www.sciencedirect.com/science/article/pii/S2667141725000291 |
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