Abstract
A new nanocomposite formulation of the FeS-based anode for lithium-ion batteries is proposed, where FeS nanoparticles wrapped in reduced graphene oxide (RGO) are produced via a facile direct-precipitation approach. The resulting nanocomposite FeS@RGO structure has better lithium ion storage properties, exceeding those of FeS prepared without RGO sheets. The enhanced electrochemical performance is attributed to the robust sheet-wrapped structure with smaller FeS nanoparticles and synergetic effects between FeS and RGO sheets, such as increased conductivity, shortened lithium ion diffusion path, and the effective prevention of polysulfide dissolution.
Original language | English (US) |
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Pages (from-to) | 5330-5335 |
Number of pages | 6 |
Journal | ACS Applied Materials and Interfaces |
Volume | 5 |
Issue number | 11 |
DOIs | |
State | Published - Jun 12 2013 |
Externally published | Yes |
Keywords
- FeS
- lithium-ion battery
- nanocomposite
- reduced graphene oxide
ASJC Scopus subject areas
- General Materials Science