Structural and electrochemical properties of SnO2-carbon composite aerogels for Li-ion battery anode material

D. B. Mahadik, Yoon Kwang Lee, Taehee Kim, Wooje Han, Hyung Ho Park

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Nanostructured tin oxide-carbon composite aerogel material (SnO2/C) is synthesized using a sol-gel process, followed by annealing treatment under N2 atmosphere. Varying the temperature of annealing leads to different textural properties and phases of the carbon/tin oxide material. The performance of this composite aerogel as an anode material for Li-ion battery is studied, and favorable retention properties are observed SnO2/C annealed at 500 °C. This study provides insight into the role of moderately inactive carbon-based porous materials in composites with SnO2 for improving the cyclability of tin oxide, an anode material that shows rapid fading. Incorporation into composite networks of inactive porous carbon enhances the mechanical properties of the tin oxide, which in turn strongly improves the cycling stability in Li-ion battery applications. The material exhibits an initial charge capacity of 1012 mAh g−1 and retains 63% of its initial capacity after 50 cycles at a current density of 637 mAh g−1.

Original languageEnglish
Pages (from-to)76-82
Number of pages7
JournalSolid State Ionics
Volume327
DOIs
Publication statusPublished - 2018 Dec 1

Fingerprint

Aerogels
aerogels
Electrochemical properties
tin oxides
electric batteries
Structural properties
Anodes
Tin oxides
anodes
Carbon
composite materials
carbon
Composite materials
ions
cycles
annealing
Annealing
porous materials
fading
sol-gel processes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Mahadik, D. B. ; Lee, Yoon Kwang ; Kim, Taehee ; Han, Wooje ; Park, Hyung Ho. / Structural and electrochemical properties of SnO2-carbon composite aerogels for Li-ion battery anode material. In: Solid State Ionics. 2018 ; Vol. 327. pp. 76-82.
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Structural and electrochemical properties of SnO2-carbon composite aerogels for Li-ion battery anode material. / Mahadik, D. B.; Lee, Yoon Kwang; Kim, Taehee; Han, Wooje; Park, Hyung Ho.

In: Solid State Ionics, Vol. 327, 01.12.2018, p. 76-82.

Research output: Contribution to journalArticle

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T1 - Structural and electrochemical properties of SnO2-carbon composite aerogels for Li-ion battery anode material

AU - Mahadik, D. B.

AU - Lee, Yoon Kwang

AU - Kim, Taehee

AU - Han, Wooje

AU - Park, Hyung Ho

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AB - Nanostructured tin oxide-carbon composite aerogel material (SnO2/C) is synthesized using a sol-gel process, followed by annealing treatment under N2 atmosphere. Varying the temperature of annealing leads to different textural properties and phases of the carbon/tin oxide material. The performance of this composite aerogel as an anode material for Li-ion battery is studied, and favorable retention properties are observed SnO2/C annealed at 500 °C. This study provides insight into the role of moderately inactive carbon-based porous materials in composites with SnO2 for improving the cyclability of tin oxide, an anode material that shows rapid fading. Incorporation into composite networks of inactive porous carbon enhances the mechanical properties of the tin oxide, which in turn strongly improves the cycling stability in Li-ion battery applications. The material exhibits an initial charge capacity of 1012 mAh g−1 and retains 63% of its initial capacity after 50 cycles at a current density of 637 mAh g−1.

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