Cotton-Textile-Enabled, Flexible Lithium-Ion Batteries with Enhanced Capacity and Extended Lifespan

Zan Gao, Ningning Song, Yunya Zhang, Xiaodong Li*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

209 Citations (Scopus)

Abstract

Activated cotton textile (ACT) with porous tubular fibers embedded with NiS2 nanobowls and wrapped with conductive graphene sheets (ACT/NiS2-graphene) was fabricated by a simple two-step heat treatment method. When used as a binder-free electrode, the ACT/NiS2-graphene electrode exhibited an exceptional electrochemical performance including ultrahigh initial discharge capacity (∼1710 mAh g-1 at 0.01 C), magnificent rate performance (the discharge capacitance retained at ∼645 mAh g-1 at 1 C after 100 cycles) and excellent cyclic stability (the discharge capacitance recovered to ∼1016 mAh g-1 at 0.1 C after 400 cycles).

Original languageEnglish
Pages (from-to)8194-8203
Number of pages10
JournalNano Letters
Volume15
Issue number12
DOIs
Publication statusPublished - 9 Dec 2015
Externally publishedYes

Keywords

  • flexible power source
  • graphene
  • lithium-ion battery
  • nanostructure
  • nickel sulfide

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