Multilayered Electride Ca2N Electrode via Compression Molding Fabrication for Sodium Ion Batteries

Guanghai Chen; Ying Bai; Hui Li; Yu Li; Zhaohua Wang; Qiao Ni; Lu Liu; Feng Wu; Yugui Yao; Chuan Wu

doi:10.1021/acsami.6b16186

Multilayered Electride Ca₂N Electrode via Compression Molding Fabrication for Sodium Ion Batteries

Guanghai Chen, Ying Bai^*, Hui Li, Yu Li, Zhaohua Wang, Qiao Ni, Lu Liu, Feng Wu, Yugui Yao, Chuan Wu

^*Corresponding author for this work

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

52 Citations (Scopus)

Abstract

Pursuing for novel electrode materials is significant for the progress of sodium ion batteries (SIBs). Here, a multilayered electride prepared by simple thermal decomposition of solid Ca₃N₂, namely Ca₂N, is introduced as a new anode material of SIBs for the first time, and a compression molding electrode fabricated by pressing Ca₂N powder into nickel foam is applied to protect Ca₂N from trace moisture and oxygen. The as-prepared electrode delivers an initial discharge capacity of 1110.5 mAh g^-1 and a reversible discharge capacity of ∼320 mAh g^-1. These results suggest that Ca₂N has a great potential for sodium ion batteries.

Original language	English
Pages (from-to)	6666-6669
Number of pages	4
Journal	ACS applied materials & interfaces
Volume	9
Issue number	8
DOIs	https://doi.org/10.1021/acsami.6b16186
Publication status	Published - 1 Mar 2017

Keywords

CaN
anode
electride
multilayered
sodium ion batteries

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10.1021/acsami.6b16186

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Chen, G., Bai, Y., Li, H., Li, Y., Wang, Z., Ni, Q., Liu, L., Wu, F., Yao, Y., & Wu, C. (2017). Multilayered Electride Ca₂N Electrode via Compression Molding Fabrication for Sodium Ion Batteries. ACS applied materials & interfaces, 9(8), 6666-6669. https://doi.org/10.1021/acsami.6b16186

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abstract = "Pursuing for novel electrode materials is significant for the progress of sodium ion batteries (SIBs). Here, a multilayered electride prepared by simple thermal decomposition of solid Ca3N2, namely Ca2N, is introduced as a new anode material of SIBs for the first time, and a compression molding electrode fabricated by pressing Ca2N powder into nickel foam is applied to protect Ca2N from trace moisture and oxygen. The as-prepared electrode delivers an initial discharge capacity of 1110.5 mAh g-1 and a reversible discharge capacity of ∼320 mAh g-1. These results suggest that Ca2N has a great potential for sodium ion batteries.",

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AU - Chen, Guanghai

AU - Bai, Ying

AU - Li, Hui

AU - Li, Yu

AU - Wang, Zhaohua

AU - Ni, Qiao

AU - Liu, Lu

AU - Wu, Feng

AU - Yao, Yugui

AU - Wu, Chuan

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Multilayered Electride Ca₂N Electrode via Compression Molding Fabrication for Sodium Ion Batteries

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Keywords

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