One-pot synthesis of carbon-coated SnO2 nano-composite using hydrothermal method for lithium ion battery application

Hye Rim Lee, Hwan Jin Kim, Jong Hyeok Park, Dae Ho Yoon

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

:Carbon-coated SnO2 nano-composite was synthesized by using a hydrothermal method in a one step process with sizes of 1 to 3μm. The carbon-coated SnO2 nano-composite was easily obtained by changing firing atmosphere from air to argon (600 °C for 3 hours). The carbon-coating thickness and size of the SnO2 nanoparticles in carbon-coated SnO2 nano-composite were confirmed through a high-resolution transmission electron microscopy (HRTEM) as 40 and 5 nm, respectively. Carboncoating and particle size affect to the capacity retention property. Carbon-coated and non carboncoated samples were investigated as anode materials. It was confirmed that the non carbon-coated SnO2 nano-composite had a 718 mA h/g initial charge capacity, 91% reached to theoretical value of SnO2 (790 mA h/g), while the carbon-coated SnO2 nano-composite had an excellent capacity retention of 89.6% after 70 cycles (10.88% for non carbon-coated SnO2 nano-composite).

Original languageEnglish
Pages (from-to)4141-4145
Number of pages5
JournalJournal of Nanoscience and Nanotechnology
Volume13
Issue number6
DOIs
Publication statusPublished - 2013 Jun 1

Fingerprint

Lithium
electric batteries
Carbon
lithium
Ions
composite materials
carbon
Composite materials
synthesis
ions
Lithium-ion batteries
Argon
High resolution transmission electron microscopy
Transmission Electron Microscopy
Atmosphere
Particle Size
Nanoparticles
Anodes
Electrodes
anodes

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

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abstract = ":Carbon-coated SnO2 nano-composite was synthesized by using a hydrothermal method in a one step process with sizes of 1 to 3μm. The carbon-coated SnO2 nano-composite was easily obtained by changing firing atmosphere from air to argon (600 °C for 3 hours). The carbon-coating thickness and size of the SnO2 nanoparticles in carbon-coated SnO2 nano-composite were confirmed through a high-resolution transmission electron microscopy (HRTEM) as 40 and 5 nm, respectively. Carboncoating and particle size affect to the capacity retention property. Carbon-coated and non carboncoated samples were investigated as anode materials. It was confirmed that the non carbon-coated SnO2 nano-composite had a 718 mA h/g initial charge capacity, 91{\%} reached to theoretical value of SnO2 (790 mA h/g), while the carbon-coated SnO2 nano-composite had an excellent capacity retention of 89.6{\%} after 70 cycles (10.88{\%} for non carbon-coated SnO2 nano-composite).",
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One-pot synthesis of carbon-coated SnO2 nano-composite using hydrothermal method for lithium ion battery application. / Lee, Hye Rim; Kim, Hwan Jin; Park, Jong Hyeok; Yoon, Dae Ho.

In: Journal of Nanoscience and Nanotechnology, Vol. 13, No. 6, 01.06.2013, p. 4141-4145.

Research output: Contribution to journalArticle

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AB - :Carbon-coated SnO2 nano-composite was synthesized by using a hydrothermal method in a one step process with sizes of 1 to 3μm. The carbon-coated SnO2 nano-composite was easily obtained by changing firing atmosphere from air to argon (600 °C for 3 hours). The carbon-coating thickness and size of the SnO2 nanoparticles in carbon-coated SnO2 nano-composite were confirmed through a high-resolution transmission electron microscopy (HRTEM) as 40 and 5 nm, respectively. Carboncoating and particle size affect to the capacity retention property. Carbon-coated and non carboncoated samples were investigated as anode materials. It was confirmed that the non carbon-coated SnO2 nano-composite had a 718 mA h/g initial charge capacity, 91% reached to theoretical value of SnO2 (790 mA h/g), while the carbon-coated SnO2 nano-composite had an excellent capacity retention of 89.6% after 70 cycles (10.88% for non carbon-coated SnO2 nano-composite).

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