Cathode Properties of Na3FePO4CO3 Prepared by the Mechanical Ball Milling Method for Na-ion Batteries
Abstract The carbonophosphate Na3FePO4CO3 was synthesized by the mechanical ball milling method for the first time. The composition of the obtained sample with a higher amount of Fe2+ was Na2.66Fe2+ 0.66Fe3+ 0.34PO4CO3 as confirmed by Mössbauer analysis, owing to the good airtight properties of this...
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2020
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oai:doaj.org-article:942414c872524fde803b5ae89621f6582021-12-02T10:59:52ZCathode Properties of Na3FePO4CO3 Prepared by the Mechanical Ball Milling Method for Na-ion Batteries10.1038/s41598-020-60183-32045-2322https://doaj.org/article/942414c872524fde803b5ae89621f6582020-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-60183-3https://doaj.org/toc/2045-2322Abstract The carbonophosphate Na3FePO4CO3 was synthesized by the mechanical ball milling method for the first time. The composition of the obtained sample with a higher amount of Fe2+ was Na2.66Fe2+ 0.66Fe3+ 0.34PO4CO3 as confirmed by Mössbauer analysis, owing to the good airtight properties of this method. The obtained samples in an organic electrolyte delivered an initial discharge capacity of 124 mAh/g at room temperature, and a larger discharge capacity of 159 mAh/g (1.66 Na+/mole) at 60 °C. With 17 m NaClO4 aqueous electrolyte, a discharge capacity of 161 mAh/g (1.69 Na+/mole) was delivered because of the high ionic conductivity of the concentrated aqueous electrolyte. During the charge-discharge process, the formation of Fe4+ after charging up to 4.5 V and the return of Fe2+ after discharging down to 1.5 V were detected by ex-situ X-ray absorption near edge structure (XANES) analysis.Baowei XieRyo SakamotoAyuko KitajouKosuke NakamotoLiwei ZhaoShigeto OkadaYuki FujitaNobuto OkaTetsuaki NishidaWataru KobayashiMasaki OkadaToshiya TakaharaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-8 (2020) |
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Medicine R Science Q Baowei Xie Ryo Sakamoto Ayuko Kitajou Kosuke Nakamoto Liwei Zhao Shigeto Okada Yuki Fujita Nobuto Oka Tetsuaki Nishida Wataru Kobayashi Masaki Okada Toshiya Takahara Cathode Properties of Na3FePO4CO3 Prepared by the Mechanical Ball Milling Method for Na-ion Batteries |
| description |
Abstract The carbonophosphate Na3FePO4CO3 was synthesized by the mechanical ball milling method for the first time. The composition of the obtained sample with a higher amount of Fe2+ was Na2.66Fe2+ 0.66Fe3+ 0.34PO4CO3 as confirmed by Mössbauer analysis, owing to the good airtight properties of this method. The obtained samples in an organic electrolyte delivered an initial discharge capacity of 124 mAh/g at room temperature, and a larger discharge capacity of 159 mAh/g (1.66 Na+/mole) at 60 °C. With 17 m NaClO4 aqueous electrolyte, a discharge capacity of 161 mAh/g (1.69 Na+/mole) was delivered because of the high ionic conductivity of the concentrated aqueous electrolyte. During the charge-discharge process, the formation of Fe4+ after charging up to 4.5 V and the return of Fe2+ after discharging down to 1.5 V were detected by ex-situ X-ray absorption near edge structure (XANES) analysis. |
| format |
article |
| author |
Baowei Xie Ryo Sakamoto Ayuko Kitajou Kosuke Nakamoto Liwei Zhao Shigeto Okada Yuki Fujita Nobuto Oka Tetsuaki Nishida Wataru Kobayashi Masaki Okada Toshiya Takahara |
| author_facet |
Baowei Xie Ryo Sakamoto Ayuko Kitajou Kosuke Nakamoto Liwei Zhao Shigeto Okada Yuki Fujita Nobuto Oka Tetsuaki Nishida Wataru Kobayashi Masaki Okada Toshiya Takahara |
| author_sort |
Baowei Xie |
| title |
Cathode Properties of Na3FePO4CO3 Prepared by the Mechanical Ball Milling Method for Na-ion Batteries |
| title_short |
Cathode Properties of Na3FePO4CO3 Prepared by the Mechanical Ball Milling Method for Na-ion Batteries |
| title_full |
Cathode Properties of Na3FePO4CO3 Prepared by the Mechanical Ball Milling Method for Na-ion Batteries |
| title_fullStr |
Cathode Properties of Na3FePO4CO3 Prepared by the Mechanical Ball Milling Method for Na-ion Batteries |
| title_full_unstemmed |
Cathode Properties of Na3FePO4CO3 Prepared by the Mechanical Ball Milling Method for Na-ion Batteries |
| title_sort |
cathode properties of na3fepo4co3 prepared by the mechanical ball milling method for na-ion batteries |
| publisher |
Nature Portfolio |
| publishDate |
2020 |
| url |
https://doaj.org/article/942414c872524fde803b5ae89621f658 |
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