Surface Modification of Silicon Nanoparticles by an "ink" Layer for Advanced Lithium Ion Batteries

Fang WU, Hao WANG, Jiayuan SHI, Zongkai YAN, Shipai SONG, Bangheng PENG, Xiaokun ZHANG, Yong XIANG*

*Corresponding author for this work

Research output: Journal PublicationsJournal Article (refereed)peer-review

26 Citations (Scopus)


Owing to its high specific capacity, silicon is considered as a promising anode material for lithium ion batteries (LIBs). However, the synthesis strategies for previous silicon-based anode materials with a delicate hierarchical structure are complicated or hazardous. Here, Prussian blue analogues (PBAs), widely used in ink, are deposited on the silicon nanoparticle surface (PBAs@Si-450) to modify silicon nanoparticles with transition metal atoms and a N-doped carbon layer. A facile and green synthesis procedure of PBAs@Si-450 nanocomposites was carried out in a coprecipitation process, combined with a thermal treatment process at 450 °C. As-prepared PBAs@Si-450 delivers a reversible charge capacity of 725.02 mAh g-1 at 0.42 A g-1 after 200 cycles. Moreover, this PBAs@Si-450 composite exhibits an exceptional rate performance of ∼1203 and 263 mAh g-1 at current densities of 0.42 and 14 A g-1, respectively, and fully recovered to 1136 mAh g-1 with the current density returning to 0.42 A g-1. Such a novel architecture of PBAs@Si-450 via a facile fabrication process represents a promising candidate with a high-performance silicon-based anode for LIBs.

Original languageEnglish
Pages (from-to)19639-19648
Number of pages10
JournalACS Applied Materials and Interfaces
Issue number23
Early online date23 May 2018
Publication statusPublished - 13 Jun 2018
Externally publishedYes

Bibliographical note

This work was supported by the National Natural Science Foundation of China (G0501200151472044), Postdoctoral Science Foundation of University (Y02006023601890), the Program for New Century Excellent Talents of China (A1098524023901001067), the Innovation Founding from Interstellar, Shenzhen (H04012001W2015000189) and Sichuan Lvran Science and Technology Group (H04012001W2015000572).


  • anode
  • lithium ion batteries (LIBs)
  • nanocomposite
  • Prussian blue analogues (PBAs)
  • silicon


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