2013
DOI: 10.1021/am401239f
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Reduced Graphene Oxide Wrapped FeS Nanocomposite for Lithium-Ion Battery Anode with Improved Performance

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 … Show more

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Cited by 198 publications
(130 citation statements)
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“…Among various carbon materials, graphene with excellent conductivity, good chemical stability, and large surface area has been widely studied in lithium ion batteries to improve the electronic conductivity and cycling stability of the composite electrodes [4,[14][15][16][17][18][19][20]. In addition, graphene is an effective nanoscale block for preparation of composite materials with metal oxide or metal sulfur nanoparticles.…”
Section: Introductionmentioning
confidence: 99%
“…Among various carbon materials, graphene with excellent conductivity, good chemical stability, and large surface area has been widely studied in lithium ion batteries to improve the electronic conductivity and cycling stability of the composite electrodes [4,[14][15][16][17][18][19][20]. In addition, graphene is an effective nanoscale block for preparation of composite materials with metal oxide or metal sulfur nanoparticles.…”
Section: Introductionmentioning
confidence: 99%
“…However, despite some clever approaches to stabilize the structure of the active material (e.g., freeze-drying, [ 206 ] crumpling, [ 207 ] spin coating [ 209 ] or nanocabling [ 211 ] ), only few cases reported a successful minimization of the 1 st cycle irreversible capacity and improved delithiation voltage. [ 220,226 ] In 2013, new types of hybrids, such as graphene-containing metal sulfi des, [229][230][231][232][233][234][235][236] intermetallic compounds, [237][238][239] metallic stannate, [ 240,241 ] -germanate, [ 242,243 ] -tungstate, [ 244,245 ] -oxides, [ 246,247 ] germanium oxide, [ 248 ] lithium vanadate, [ 249 ] manganese ferrite [ 250 ] and cobalt carbonate [ 251 ] were introduced. They generally showed an increased specifi c gravimetric capacity but, except for a few cases, [ 229,234,237,247 ] the 1 st cycle irreversibility was always higher than 30%.…”
mentioning
confidence: 99%
“…Apart from the metal oxides, metal sulfides (CoS 2 , FeS and MnS) can be also composited with RGO as anode materials [77][78][79]. Fei et al proposed a facile direct-precipitation approach to obtain a FeS-based anode [78].…”
Section: Lithium Ion Batteriesmentioning
confidence: 99%
“…Fei et al proposed a facile direct-precipitation approach to obtain a FeS-based anode [78]. The FeS@RGO nanocomposite with robust sheet-wrapped structure exhibits better electrochemical performance than isolated FeS nanoparticles because of the smaller particle sizes and the synergetic effects between FeS and RGO sheets, i.e., increased conductivity, shortened lithium ion diffusion path, and effective prevention of polysulfide dissolution.…”
Section: Lithium Ion Batteriesmentioning
confidence: 99%