Phenolic resin-grafted reduced graphene oxide as a highly stable anode material for lithium ion batteries

Mochen Li, Huaihe Song, Xiaohong Chen, Jisheng Zhou, Zhaokun Ma

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

A novel and effective route for preparing phenol formaldehyde resin grafted reduced graphene oxide (rGO-g-PF) electrode materials with highly enhanced electrochemical properties is reported. In order to prepare rGO-g-PF, hydroxymethyl-terminated PF is initially grafted to graphene oxide (GO) via esterification reaction. Subsequently, the grafted GO is reduced by the carbonization process under an inert gas atmosphere. The covalent linkage, morphology, thermal stability and electrochemical properties of rGO-g-PF are systematically investigated by Fourier transform infrared spectroscopy, scanning electron microscopy, thermal gravimetric analysis, differential scanning calorimetry and a variety of electrochemical testing techniques. In the constructed architecture, the amorphous carbon shell can inhibit the co-intercalation of solvated lithium ion and avoid partial exfoliation of the graphene layers, thus effectively reducing the irreversible capacity and preserving the structural integrity. Meanwhile, the carbon coating layer leading to a decreased thickness of SEI film can improve the conductivity of electrode materials. As a result, the rGO-g-PF electrode exhibits impressive high cycling stability at various large current densities (376.5 mA h g-1 at 50 mA g-1 for 250 cycles, 337.8 mA h g-1 at 200 mA g-1 and 267.8 mA h g-1 at 1 A g-1 for 200 cycles), in combination with high rate capability.

Original languageEnglish
Pages (from-to)3250-3260
Number of pages11
JournalPhysical Chemistry Chemical Physics
Volume17
Issue number5
DOIs
Publication statusPublished - 2015 Feb 7
Externally publishedYes

Fingerprint

phenolic resins
Graphite
Oxides
electric batteries
graphene
Anodes
anodes
lithium
oxides
electrode materials
Electrochemical properties
cycles
Electrodes
ions
phenol formaldehyde
Noble Gases
carbonization
Gravimetric analysis
carbon
Amorphous carbon

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Cite this

Phenolic resin-grafted reduced graphene oxide as a highly stable anode material for lithium ion batteries. / Li, Mochen; Song, Huaihe; Chen, Xiaohong; Zhou, Jisheng; Ma, Zhaokun.

In: Physical Chemistry Chemical Physics, Vol. 17, No. 5, 07.02.2015, p. 3250-3260.

Research output: Contribution to journalArticle

Li, Mochen ; Song, Huaihe ; Chen, Xiaohong ; Zhou, Jisheng ; Ma, Zhaokun. / Phenolic resin-grafted reduced graphene oxide as a highly stable anode material for lithium ion batteries. In: Physical Chemistry Chemical Physics. 2015 ; Vol. 17, No. 5. pp. 3250-3260.
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