Xue Huang, Haoxiang Sun, Xiangyi Li, Wenhao Zhu, Lei Chen, Tian Ma, Shulin Ding, Tao Ma, Yang Dong, Kai Zhang, Fangyi Cheng, Qiulong Wei, Lijun Gao*, Jianqing Zhao*, Wei Zhang* and Jun Chen*,
{"title":"消除阴极-电解质界面的电荷转移,实现钠离子电池的超快动力学","authors":"Xue Huang, Haoxiang Sun, Xiangyi Li, Wenhao Zhu, Lei Chen, Tian Ma, Shulin Ding, Tao Ma, Yang Dong, Kai Zhang, Fangyi Cheng, Qiulong Wei, Lijun Gao*, Jianqing Zhao*, Wei Zhang* and Jun Chen*, ","doi":"10.1021/jacs.4c0819110.1021/jacs.4c08191","DOIUrl":null,"url":null,"abstract":"<p >Sodium-ion batteries suffer from kinetic problems stemming from sluggish ion transport across the electrode–electrolyte interface, causing rapid energy decay during fast-charging or low-temperature operation. One exciting prospect to enhance kinetics is constructing neuron-like electrodes that emulate fast signal transmission in a nervous system. It has been considered that these bioinspired designs enhance electron/ion transport of the electrodes through carbon networks. However, whether they can avoid sluggish charge transfer at the electrode–electrolyte interface remains unknown. By connecting the openings of carbon nanotubes with the surface of carbon-coated Na<sub>3</sub>V<sub>2</sub>O<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F cathode nanoparticles, here we use carbon nanotubes to trap Na<sup>+</sup> ions released from the nanoparticles during charge. Therefore, Na<sup>+</sup> movement is confined only inside the neuron-like cathode, eliminating ion transport between the electrolyte and cathode, which has been scarcely achieved in conventional batteries. As a result, a 14-fold reduction in interfacial charge transfer resistance is achieved when compared to unmodified cathodes, leading to superior fast-charging performance and excellent cyclability up to 200C, and surprisingly, reversible operation at low temperatures down to −60 °C without electrolyte modification, surpassing other Na<sub>3</sub>V<sub>2</sub>O<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F-based batteries reported to date. As battery operation has relied on charge transfer at the electrode–electrolyte interface for over 200 years, our approach departs from this traditional ion transport paradigm, paving the way for building better batteries that work under harsh conditions.</p>","PeriodicalId":49,"journal":{"name":"Journal of the American Chemical Society","volume":"146 43","pages":"29391–29401 29391–29401"},"PeriodicalIF":15.6000,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Eliminating Charge Transfer at Cathode-Electrolyte Interface for Ultrafast Kinetics in Na-Ion Batteries\",\"authors\":\"Xue Huang, Haoxiang Sun, Xiangyi Li, Wenhao Zhu, Lei Chen, Tian Ma, Shulin Ding, Tao Ma, Yang Dong, Kai Zhang, Fangyi Cheng, Qiulong Wei, Lijun Gao*, Jianqing Zhao*, Wei Zhang* and Jun Chen*, \",\"doi\":\"10.1021/jacs.4c0819110.1021/jacs.4c08191\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p >Sodium-ion batteries suffer from kinetic problems stemming from sluggish ion transport across the electrode–electrolyte interface, causing rapid energy decay during fast-charging or low-temperature operation. One exciting prospect to enhance kinetics is constructing neuron-like electrodes that emulate fast signal transmission in a nervous system. It has been considered that these bioinspired designs enhance electron/ion transport of the electrodes through carbon networks. However, whether they can avoid sluggish charge transfer at the electrode–electrolyte interface remains unknown. By connecting the openings of carbon nanotubes with the surface of carbon-coated Na<sub>3</sub>V<sub>2</sub>O<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F cathode nanoparticles, here we use carbon nanotubes to trap Na<sup>+</sup> ions released from the nanoparticles during charge. Therefore, Na<sup>+</sup> movement is confined only inside the neuron-like cathode, eliminating ion transport between the electrolyte and cathode, which has been scarcely achieved in conventional batteries. As a result, a 14-fold reduction in interfacial charge transfer resistance is achieved when compared to unmodified cathodes, leading to superior fast-charging performance and excellent cyclability up to 200C, and surprisingly, reversible operation at low temperatures down to −60 °C without electrolyte modification, surpassing other Na<sub>3</sub>V<sub>2</sub>O<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>F-based batteries reported to date. As battery operation has relied on charge transfer at the electrode–electrolyte interface for over 200 years, our approach departs from this traditional ion transport paradigm, paving the way for building better batteries that work under harsh conditions.</p>\",\"PeriodicalId\":49,\"journal\":{\"name\":\"Journal of the American Chemical Society\",\"volume\":\"146 43\",\"pages\":\"29391–29401 29391–29401\"},\"PeriodicalIF\":15.6000,\"publicationDate\":\"2024-10-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of the American Chemical Society\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://pubs.acs.org/doi/10.1021/jacs.4c08191\",\"RegionNum\":1,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the American Chemical Society","FirstCategoryId":"92","ListUrlMain":"https://pubs.acs.org/doi/10.1021/jacs.4c08191","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Eliminating Charge Transfer at Cathode-Electrolyte Interface for Ultrafast Kinetics in Na-Ion Batteries
Sodium-ion batteries suffer from kinetic problems stemming from sluggish ion transport across the electrode–electrolyte interface, causing rapid energy decay during fast-charging or low-temperature operation. One exciting prospect to enhance kinetics is constructing neuron-like electrodes that emulate fast signal transmission in a nervous system. It has been considered that these bioinspired designs enhance electron/ion transport of the electrodes through carbon networks. However, whether they can avoid sluggish charge transfer at the electrode–electrolyte interface remains unknown. By connecting the openings of carbon nanotubes with the surface of carbon-coated Na3V2O2(PO4)2F cathode nanoparticles, here we use carbon nanotubes to trap Na+ ions released from the nanoparticles during charge. Therefore, Na+ movement is confined only inside the neuron-like cathode, eliminating ion transport between the electrolyte and cathode, which has been scarcely achieved in conventional batteries. As a result, a 14-fold reduction in interfacial charge transfer resistance is achieved when compared to unmodified cathodes, leading to superior fast-charging performance and excellent cyclability up to 200C, and surprisingly, reversible operation at low temperatures down to −60 °C without electrolyte modification, surpassing other Na3V2O2(PO4)2F-based batteries reported to date. As battery operation has relied on charge transfer at the electrode–electrolyte interface for over 200 years, our approach departs from this traditional ion transport paradigm, paving the way for building better batteries that work under harsh conditions.
期刊介绍:
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