High-Performance Cathode Material of FeF3·0.33H2O Modified with Carbon Nanotubes and Graphene for Lithium-Ion Batteries
Abstract The FeF3·0.33H2O cathode material can exhibit a high capacity and high energy density through transfer of multiple electrons in the conversion reaction and has attracted great attention from researchers. However, the low conductivity of FeF3·0.33H2O greatly restricts its application. Genera...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2019-03-01
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| Series: | Nanoscale Research Letters |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1186/s11671-019-2925-y |
| _version_ | 1797708291162243072 |
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| author | Lu Lu Sheng Li Jun Li Lifang Lan Yan Lu Shuaijun Xu Si Huang Chunyang Pan Fenghua Zhao |
| author_facet | Lu Lu Sheng Li Jun Li Lifang Lan Yan Lu Shuaijun Xu Si Huang Chunyang Pan Fenghua Zhao |
| author_sort | Lu Lu |
| collection | DOAJ |
| description | Abstract The FeF3·0.33H2O cathode material can exhibit a high capacity and high energy density through transfer of multiple electrons in the conversion reaction and has attracted great attention from researchers. However, the low conductivity of FeF3·0.33H2O greatly restricts its application. Generally, carbon nanotubes (CNTs) and graphene can be used as conductive networks to improve the conductivities of active materials. In this work, the FeF3·0.33H2O cathode material was synthesized via a liquid-phase method, and the FeF3·0.33H2O/CNT + graphene nanocomposite was successfully fabricated by introduction of CNTs and graphene conductive networks. The electrochemical results illustrate that FeF3·0.33H2O/CNT + graphene nanocomposite delivers a high discharge capacity of 234.2 mAh g−1 in the voltage range of 1.8–4.5 V (vs. Li+/Li) at 0.1 C rate, exhibits a prominent cycling performance (193.1 mAh g−1 after 50 cycles at 0.2 C rate), and rate capability (140.4 mAh g−1 at 5 C rate). Therefore, the electronic conductivity and electrochemical performance of the FeF3·0.33H2O cathode material modified with CNTs and graphene composite conductive network can be effectively improved. |
| first_indexed | 2024-03-12T06:19:12Z |
| format | Article |
| id | doaj.art-db753a746b2c4d6f9f200db06caa3a3f |
| institution | Directory Open Access Journal |
| issn | 1931-7573 1556-276X |
| language | English |
| last_indexed | 2024-03-12T06:19:12Z |
| publishDate | 2019-03-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Nanoscale Research Letters |
| spelling | doaj.art-db753a746b2c4d6f9f200db06caa3a3f2023-09-03T02:22:05ZengSpringerOpenNanoscale Research Letters1931-75731556-276X2019-03-0114111110.1186/s11671-019-2925-yHigh-Performance Cathode Material of FeF3·0.33H2O Modified with Carbon Nanotubes and Graphene for Lithium-Ion BatteriesLu Lu0Sheng Li1Jun Li2Lifang Lan3Yan Lu4Shuaijun Xu5Si Huang6Chunyang Pan7Fenghua Zhao8School of Chemical Engineering and Light Industry, Guangdong University of TechnologySchool of Chemical Engineering and Light Industry, Guangdong University of TechnologySchool of Chemical Engineering and Light Industry, Guangdong University of TechnologySchool of Chemical Engineering and Light Industry, Guangdong University of TechnologySchool of Chemical Engineering and Light Industry, Guangdong University of TechnologySchool of Chemical Engineering and Light Industry, Guangdong University of TechnologySchool of Chemical Engineering and Light Industry, Guangdong University of TechnologySchool of Chemical Engineering and Light Industry, Guangdong University of TechnologySchool of Chemical Engineering and Light Industry, Guangdong University of TechnologyAbstract The FeF3·0.33H2O cathode material can exhibit a high capacity and high energy density through transfer of multiple electrons in the conversion reaction and has attracted great attention from researchers. However, the low conductivity of FeF3·0.33H2O greatly restricts its application. Generally, carbon nanotubes (CNTs) and graphene can be used as conductive networks to improve the conductivities of active materials. In this work, the FeF3·0.33H2O cathode material was synthesized via a liquid-phase method, and the FeF3·0.33H2O/CNT + graphene nanocomposite was successfully fabricated by introduction of CNTs and graphene conductive networks. The electrochemical results illustrate that FeF3·0.33H2O/CNT + graphene nanocomposite delivers a high discharge capacity of 234.2 mAh g−1 in the voltage range of 1.8–4.5 V (vs. Li+/Li) at 0.1 C rate, exhibits a prominent cycling performance (193.1 mAh g−1 after 50 cycles at 0.2 C rate), and rate capability (140.4 mAh g−1 at 5 C rate). Therefore, the electronic conductivity and electrochemical performance of the FeF3·0.33H2O cathode material modified with CNTs and graphene composite conductive network can be effectively improved.http://link.springer.com/article/10.1186/s11671-019-2925-yFeF3·0.33H2O cathode materialConductive networkElectrochemical performanceLithium-ion batteries |
| spellingShingle | Lu Lu Sheng Li Jun Li Lifang Lan Yan Lu Shuaijun Xu Si Huang Chunyang Pan Fenghua Zhao High-Performance Cathode Material of FeF3·0.33H2O Modified with Carbon Nanotubes and Graphene for Lithium-Ion Batteries Nanoscale Research Letters FeF3·0.33H2O cathode material Conductive network Electrochemical performance Lithium-ion batteries |
| title | High-Performance Cathode Material of FeF3·0.33H2O Modified with Carbon Nanotubes and Graphene for Lithium-Ion Batteries |
| title_full | High-Performance Cathode Material of FeF3·0.33H2O Modified with Carbon Nanotubes and Graphene for Lithium-Ion Batteries |
| title_fullStr | High-Performance Cathode Material of FeF3·0.33H2O Modified with Carbon Nanotubes and Graphene for Lithium-Ion Batteries |
| title_full_unstemmed | High-Performance Cathode Material of FeF3·0.33H2O Modified with Carbon Nanotubes and Graphene for Lithium-Ion Batteries |
| title_short | High-Performance Cathode Material of FeF3·0.33H2O Modified with Carbon Nanotubes and Graphene for Lithium-Ion Batteries |
| title_sort | high performance cathode material of fef3·0 33h2o modified with carbon nanotubes and graphene for lithium ion batteries |
| topic | FeF3·0.33H2O cathode material Conductive network Electrochemical performance Lithium-ion batteries |
| url | http://link.springer.com/article/10.1186/s11671-019-2925-y |
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