Carbon nanotubes functionalized with maleic anhydride chelated silver nanoparticles as conductive additives for polyanion-based lithium-ion batteries

Chih Lien Chiang, Cheng Chien Wang, Chuh-Yung Chen

Research output: Contribution to journalArticle

Abstract

Silver nanoparticles on the surface of carbon nanotubes functionalized with maleic anhydride through plasma-induced grafting process, named CNTs-MA-Ag, were synthesized. Effects of CNTs-MA-Ag as conductive additives on the performance of LiFePO 4 polyanion-based lithium-ion batteries was studied. X-ray diffraction analysis, transmission electron microscopy, and UV-vis spectroscopy were used to characterize Ag nanoparticles on the surface of CNTs-MA-Ag. Morphology of LiFePO 4 /CNTs-MA-Ag electrode was observed via scanning electronic microscopy. Electrochemical impedance spectroscopy analysis was conducted to acquire the charge transfer resistance of composite cathode. The specific capacity, cyclic stability and rate performance of LiFePO 4 /CNTs-MA-Ag coin cells were evaluated through galvanostatic charge/discharge process. LiFePO 4 /CNTs-MA-Ag (5 wt%) coin cells have specific capacity of 148 mAhg −1 at 0.1C with a capacity retention ratio of 98.6% after 100 cycles, and rate capacity of 113.6 and 77.8 mAhg −1 at 1C and 2C, respectively. Taken together, CNTs-MA-Ag can serve as excellent conductive additives to improve performance of polyanion-based LIBs.

Original languageEnglish
Pages (from-to)42-49
Number of pages8
JournalMaterials Science and Engineering B: Solid-State Materials for Advanced Technology
Volume238-239
DOIs
Publication statusPublished - 2018 Dec 1

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Maleic Anhydrides
Carbon Nanotubes
Maleic anhydride
anhydrides
Silver
electric batteries
Carbon nanotubes
lithium
carbon nanotubes
silver
Nanoparticles
nanoparticles
Ultraviolet spectroscopy
Electrochemical impedance spectroscopy
X ray diffraction analysis
Charge transfer
Microscopic examination
ions
Cathodes
Transmission electron microscopy

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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title = "Carbon nanotubes functionalized with maleic anhydride chelated silver nanoparticles as conductive additives for polyanion-based lithium-ion batteries",
abstract = "Silver nanoparticles on the surface of carbon nanotubes functionalized with maleic anhydride through plasma-induced grafting process, named CNTs-MA-Ag, were synthesized. Effects of CNTs-MA-Ag as conductive additives on the performance of LiFePO 4 polyanion-based lithium-ion batteries was studied. X-ray diffraction analysis, transmission electron microscopy, and UV-vis spectroscopy were used to characterize Ag nanoparticles on the surface of CNTs-MA-Ag. Morphology of LiFePO 4 /CNTs-MA-Ag electrode was observed via scanning electronic microscopy. Electrochemical impedance spectroscopy analysis was conducted to acquire the charge transfer resistance of composite cathode. The specific capacity, cyclic stability and rate performance of LiFePO 4 /CNTs-MA-Ag coin cells were evaluated through galvanostatic charge/discharge process. LiFePO 4 /CNTs-MA-Ag (5 wt{\%}) coin cells have specific capacity of 148 mAhg −1 at 0.1C with a capacity retention ratio of 98.6{\%} after 100 cycles, and rate capacity of 113.6 and 77.8 mAhg −1 at 1C and 2C, respectively. Taken together, CNTs-MA-Ag can serve as excellent conductive additives to improve performance of polyanion-based LIBs.",
author = "Chiang, {Chih Lien} and Wang, {Cheng Chien} and Chuh-Yung Chen",
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AB - Silver nanoparticles on the surface of carbon nanotubes functionalized with maleic anhydride through plasma-induced grafting process, named CNTs-MA-Ag, were synthesized. Effects of CNTs-MA-Ag as conductive additives on the performance of LiFePO 4 polyanion-based lithium-ion batteries was studied. X-ray diffraction analysis, transmission electron microscopy, and UV-vis spectroscopy were used to characterize Ag nanoparticles on the surface of CNTs-MA-Ag. Morphology of LiFePO 4 /CNTs-MA-Ag electrode was observed via scanning electronic microscopy. Electrochemical impedance spectroscopy analysis was conducted to acquire the charge transfer resistance of composite cathode. The specific capacity, cyclic stability and rate performance of LiFePO 4 /CNTs-MA-Ag coin cells were evaluated through galvanostatic charge/discharge process. LiFePO 4 /CNTs-MA-Ag (5 wt%) coin cells have specific capacity of 148 mAhg −1 at 0.1C with a capacity retention ratio of 98.6% after 100 cycles, and rate capacity of 113.6 and 77.8 mAhg −1 at 1C and 2C, respectively. Taken together, CNTs-MA-Ag can serve as excellent conductive additives to improve performance of polyanion-based LIBs.

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