Phoenix tree leaves-derived biomass carbons for sodium-ion batteries

Zengqiang Tian, Shijiao Sun, Xiangyu Zhao, Meng Yang, Chaohe Xu

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The biomass carbons with highly developed porosity were prepared by carbonization of phoenix tree leaves (PTLs) followed by activation with KOH. The as-prepared carbons possess large interlayer spacing, abundant oxygen-containing functional groups and high degree of structural disorder. The PTLs derived carbons were firstly employed as anodes for sodium-ion batteries, with the optimized material delivering an initial discharge capacity as high as 602mAhg-1 and a reversible capacity of 134mAhg-1 after 300 cycles at 100mAg-1. Electrochemical mechanism analysis reveals a capacitive dominating Na+ storage process.

Original languageEnglish
Article number1840008
JournalFunctional Materials Letters
Volume11
Issue number6
DOIs
StatePublished - 1 Dec 2018

Keywords

  • Activation
  • Anode
  • Biomass carbons
  • Phoenix tree leaves
  • Sodium-ion batteries

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