Enhanced electrochemical performance of carbon-coated Li 2MnSiO4 nanoparticles synthesized by tartaric acid-assisted sol-gel process

Kyung Soo Park, Yun Ho Jin, Lee Seung Kang, Gwang Hee Lee, Nam Hee Lee, Dong Wan Kim, Hyun Seon Hong

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A tartaric acid-assisted sol-gel process was used to synthesize Li 2MnSiO4 (SG-LMS) nanopowders with orthorhombic structures (Pmn21 space group). The Li-active SG-LMS nanoparticles were fully surrounded by a conducting amorphous carbon layer/matrix that was formed by carbonization of the tartaric acid during post-annealing of the dry gel. The SG-LMS electrode exhibited higher specific capacity and superior cycle retention as compared to the LMS electrode prepared by a conventional solid-state reaction. Such high electrochemical performance originated from the presence of a high-purity phase, a large surface area, and an efficient electron transport path facilitated by the conductive carbon coating of the SG-LMS electrode.

Original languageEnglish
Pages (from-to)9413-9418
Number of pages6
JournalCeramics International
Issue number7 PART A
Publication statusPublished - 2014


  • A. Sol-gel processes
  • B. Nanocomposites
  • D. Silicate
  • E. Batteries
  • Electrochemical reactions

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry


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