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Article Dans Une Revue Microporous and Mesoporous Materials Année : 2022

Ordered sodium zeolite-templated carbon with high first discharge capacity for sodium battery application

Résumé

A zeolite-templated carbon (ZTC) material was synthesized using a vapor phase impregnation method. This ZTC exhibited an outstandingly high specific surface area of 3,100 m 2 •g-1 along with a considerable total pore volume of 1.74 cm 3 •g-1. The properties of this ZTC were optimized by controlling the deposition process of the furfuryl alcohol, used as the carbon precursor, on the sodium-bearing zeolite Y template (FAU-type framework structure). The ZTC was then used as a negative electrode in a sodium battery setup. A high first discharge capacity of 1,714 mAh•g-1 for the ZTC was obtained, of which 16% was reversible. In addition, atomistic simulations confirmed that a theoretical capacity of 552 mAh•g-1 for the ZTC containing six sodium ions per supercage was reasonably achieved. The new vapor phase impregnation method presented here and applied for the synthesis of ZTC using sodium-bearing zeolites is highly reproducible and scalable, paving the way for the development of future applications.
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Dates et versions

hal-04295959 , version 1 (20-11-2023)

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Shuang Tan, Chunxu Wang, Yann Foucaud, Michael Badawi, Hailing Guo, et al.. Ordered sodium zeolite-templated carbon with high first discharge capacity for sodium battery application. Microporous and Mesoporous Materials, 2022, 336, pp.111853. ⟨10.1016/j.micromeso.2022.111853⟩. ⟨hal-04295959⟩
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