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

Research output: Contribution to journalArticlepeer-review

50 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 languageEnglish
Pages (from-to)6666-6669
Number of pages4
JournalACS applied materials & interfaces
Volume9
Issue number8
DOIs
Publication statusPublished - 1 Mar 2017

Keywords

  • CaN
  • anode
  • electride
  • multilayered
  • sodium ion batteries

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