Morphology-controlled solvothermal synthesis of Li<inf>2</inf>FeSiO<inf>4</inf> nanoparticles for Li-ion battery cathodes

Jeong Jin Lee, Hung Cuong Dinh, Sun Il Mho, In Hyeong Yeo, Won Il Cho, Dong-Wan Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Abstract In this work, Li<inf>2</inf>FeSiO<inf>4</inf> nanoparticles with two types of morphologies, spherical and rod-shaped, were prepared via a facile water/ethylene-glycol-based solvothermal method by using different kinds of iron sources and surfactants. When evaluated as a cathode material for lithium-ion batteries, carbon-coated Li<inf>2</inf>FeSiO<inf>4</inf> nanospheres exhibited good cycling stability and large Li storage capacities, delivering 150 and 200 mA h g<sup>-1</sup> at room temperature and 55 °C, respectively.

Original languageEnglish
Article numberMLBLUED1503142
Pages (from-to)507-510
Number of pages4
JournalMaterials Letters
Volume160
DOIs
Publication statusPublished - 2015 Aug 17

Fingerprint

Ethylene Glycol
Nanospheres
Ethylene glycol
Surface-Active Agents
electric batteries
glycols
Cathodes
Surface active agents
ethylene
rods
Carbon
Iron
lithium
cathodes
surfactants
Nanoparticles
iron
nanoparticles
cycles
Water

Keywords

  • Cathode
  • Li<inf>2</inf>FeSiO<inf>4</inf>
  • Lithium-ion batteries
  • Nanoparticles
  • Solvothermal synthesis

ASJC Scopus subject areas

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

Cite this

Morphology-controlled solvothermal synthesis of Li<inf>2</inf>FeSiO<inf>4</inf> nanoparticles for Li-ion battery cathodes. / Lee, Jeong Jin; Dinh, Hung Cuong; Mho, Sun Il; Yeo, In Hyeong; Il Cho, Won; Kim, Dong-Wan.

In: Materials Letters, Vol. 160, MLBLUED1503142, 17.08.2015, p. 507-510.

Research output: Contribution to journalArticle

Lee, Jeong Jin ; Dinh, Hung Cuong ; Mho, Sun Il ; Yeo, In Hyeong ; Il Cho, Won ; Kim, Dong-Wan. / Morphology-controlled solvothermal synthesis of Li<inf>2</inf>FeSiO<inf>4</inf> nanoparticles for Li-ion battery cathodes. In: Materials Letters. 2015 ; Vol. 160. pp. 507-510.
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AU - Dinh, Hung Cuong

AU - Mho, Sun Il

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AU - Il Cho, Won

AU - Kim, Dong-Wan

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N2 - Abstract In this work, Li2FeSiO4 nanoparticles with two types of morphologies, spherical and rod-shaped, were prepared via a facile water/ethylene-glycol-based solvothermal method by using different kinds of iron sources and surfactants. When evaluated as a cathode material for lithium-ion batteries, carbon-coated Li2FeSiO4 nanospheres exhibited good cycling stability and large Li storage capacities, delivering 150 and 200 mA h g-1 at room temperature and 55 °C, respectively.

AB - Abstract In this work, Li2FeSiO4 nanoparticles with two types of morphologies, spherical and rod-shaped, were prepared via a facile water/ethylene-glycol-based solvothermal method by using different kinds of iron sources and surfactants. When evaluated as a cathode material for lithium-ion batteries, carbon-coated Li2FeSiO4 nanospheres exhibited good cycling stability and large Li storage capacities, delivering 150 and 200 mA h g-1 at room temperature and 55 °C, respectively.

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