A Comparative Study on Na2Fe0.6Mn0.4PO4F/C Cathode Materials Synthesized With Various Carbon Sources for Na-ion Batteries
Na2Fe0.6Mn0.4PO4F/C composite materials are synthesized with various carbon sources via a simple spray-drying method in this study, and the effect of carbon sources on structure, morphology, and electrochemical properties of Na2Fe0.6Mn0.4PO4F/C materials are investigated in detail. XRD and SEM resul...
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Frontiers Media S.A.
2021-01-01
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| Series: | Frontiers in Chemistry |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fchem.2020.633949/full |
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| author | Shibao Tang Xiaoping Zhang Yulei Sui Bingjue Wang Jiangpeng Li Ling Wu |
| author_facet | Shibao Tang Xiaoping Zhang Yulei Sui Bingjue Wang Jiangpeng Li Ling Wu |
| author_sort | Shibao Tang |
| collection | DOAJ |
| description | Na2Fe0.6Mn0.4PO4F/C composite materials are synthesized with various carbon sources via a simple spray-drying method in this study, and the effect of carbon sources on structure, morphology, and electrochemical properties of Na2Fe0.6Mn0.4PO4F/C materials are investigated in detail. XRD and SEM results indicate that the reduction ability of carbon sources has a key impact on the structure and morphology of Na2Fe0.6Mn0.4PO4F/C composite materials. Among these Na2Fe0.6Mn0.4PO4F/C materials, the sample prepared with ascorbic acid presents a uniform hollow spherical architecture. Electrochemical analysis demonstrates that the Na2Fe0.6Mn0.4PO4F/C sample prepared with ascorbic acid has optimal electrochemical performance. The sample shows high discharge capacities of 95.1 and 48.1 mAh g−1 at 0.05C and 1C rates, respectively, and it exhibits an improved cycle stability (91.7% retention after 100 cycles at 0.5C), which are superior to Na2Fe0.6Mn0.4PO4F/C materials prepared with other carbon sources. This study demonstrates that the reduction ability of carbon sources significantly influences the electrochemical properties of fluorophosphate/C composite materials. This work also provides a promising strategy to obtain high performance cathode materials for sodium-ion batteries. |
| first_indexed | 2024-12-17T06:37:14Z |
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| id | doaj.art-f72867d6fea64a3f9efd06e12ac12fba |
| institution | Directory Open Access Journal |
| issn | 2296-2646 |
| language | English |
| last_indexed | 2024-12-17T06:37:14Z |
| publishDate | 2021-01-01 |
| publisher | Frontiers Media S.A. |
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| series | Frontiers in Chemistry |
| spelling | doaj.art-f72867d6fea64a3f9efd06e12ac12fba2022-12-21T21:59:59ZengFrontiers Media S.A.Frontiers in Chemistry2296-26462021-01-01810.3389/fchem.2020.633949633949A Comparative Study on Na2Fe0.6Mn0.4PO4F/C Cathode Materials Synthesized With Various Carbon Sources for Na-ion BatteriesShibao TangXiaoping ZhangYulei SuiBingjue WangJiangpeng LiLing WuNa2Fe0.6Mn0.4PO4F/C composite materials are synthesized with various carbon sources via a simple spray-drying method in this study, and the effect of carbon sources on structure, morphology, and electrochemical properties of Na2Fe0.6Mn0.4PO4F/C materials are investigated in detail. XRD and SEM results indicate that the reduction ability of carbon sources has a key impact on the structure and morphology of Na2Fe0.6Mn0.4PO4F/C composite materials. Among these Na2Fe0.6Mn0.4PO4F/C materials, the sample prepared with ascorbic acid presents a uniform hollow spherical architecture. Electrochemical analysis demonstrates that the Na2Fe0.6Mn0.4PO4F/C sample prepared with ascorbic acid has optimal electrochemical performance. The sample shows high discharge capacities of 95.1 and 48.1 mAh g−1 at 0.05C and 1C rates, respectively, and it exhibits an improved cycle stability (91.7% retention after 100 cycles at 0.5C), which are superior to Na2Fe0.6Mn0.4PO4F/C materials prepared with other carbon sources. This study demonstrates that the reduction ability of carbon sources significantly influences the electrochemical properties of fluorophosphate/C composite materials. This work also provides a promising strategy to obtain high performance cathode materials for sodium-ion batteries.https://www.frontiersin.org/articles/10.3389/fchem.2020.633949/fullsodium-ion batteriescathode materialsNa2Fe0.6Mn0.4PO4Fspray dryingelectrochemical performance |
| spellingShingle | Shibao Tang Xiaoping Zhang Yulei Sui Bingjue Wang Jiangpeng Li Ling Wu A Comparative Study on Na2Fe0.6Mn0.4PO4F/C Cathode Materials Synthesized With Various Carbon Sources for Na-ion Batteries Frontiers in Chemistry sodium-ion batteries cathode materials Na2Fe0.6Mn0.4PO4F spray drying electrochemical performance |
| title | A Comparative Study on Na2Fe0.6Mn0.4PO4F/C Cathode Materials Synthesized With Various Carbon Sources for Na-ion Batteries |
| title_full | A Comparative Study on Na2Fe0.6Mn0.4PO4F/C Cathode Materials Synthesized With Various Carbon Sources for Na-ion Batteries |
| title_fullStr | A Comparative Study on Na2Fe0.6Mn0.4PO4F/C Cathode Materials Synthesized With Various Carbon Sources for Na-ion Batteries |
| title_full_unstemmed | A Comparative Study on Na2Fe0.6Mn0.4PO4F/C Cathode Materials Synthesized With Various Carbon Sources for Na-ion Batteries |
| title_short | A Comparative Study on Na2Fe0.6Mn0.4PO4F/C Cathode Materials Synthesized With Various Carbon Sources for Na-ion Batteries |
| title_sort | comparative study on na2fe0 6mn0 4po4f c cathode materials synthesized with various carbon sources for na ion batteries |
| topic | sodium-ion batteries cathode materials Na2Fe0.6Mn0.4PO4F spray drying electrochemical performance |
| url | https://www.frontiersin.org/articles/10.3389/fchem.2020.633949/full |
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