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Cu doped V2O5 flowers as cathode material for high-performance lithium ion batteries

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • Hong Yu
  • Xianhong Rui
  • Huiteng Tan
  • Jing Chen
  • Xin Huang
  • Chen Xu
  • Weiling Liu
  • Denis Y. W. Yu
  • Huey Hoon Hng
  • Harry E. Hoster
  • Qingyu Yan
<mark>Journal publication date</mark>7/06/2013
Issue number11
Number of pages7
Pages (from-to)4937-4943
Publication StatusPublished
<mark>Original language</mark>English


Hierarchical Cu doped vanadium pentoxide (V2O5) flowers were prepared via a simple hydrothermal approach followed by an annealing process. The flower precursors are self-assembled with 1D nanobelts surrounding a central core. The morphological evolution is investigated and a plausible mechanism is proposed. As the cathode material for lithium ion batteries, the Cu doped V2O5 samples exhibit improved electrochemical performance compared to the un-doped ones. Among them Cu0.02V1.98O5 delivered higher reversible specific capacities, better cycling stabilities and excellent rate capabilities, e. g. 97 mA h g(-1) at 20.0 C.