Superior high rate capability of size-controlled LiMnPO4/C nanosheets with preferential orientation

Hung Cuong Dinh, Sun Il Mho, In Hyeong Yeo, Yongku Kang, Dong-Wan Kim

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

LiMnPO4 nanosheets for use in lithium-ion battery cathode materials were synthesized using a solvothermal method under a water and ethylene glycol mixed solvent system. Well-dispersed rectangular sheet particles oriented by two different facets, {100} or {010}, were obtained by changing the source mixing sequence, and the lateral size of each nanosheet could be controlled by adding appropriate amounts of surfactants. Both LiMnPO4/C nanosheets with different oriented facets had large discharge capacities and excellent cycle stabilities. Additionally, the LiMnPO4/C nanosheets of size (50-100) × 200 nm, with the {010} facet exposed, had an outstanding rate capability at 55 °C, which discharge capacities of 147, 135, 123, and 112 mA h g-1 at 1, 2, 5, and 10C, respectively.

Original languageEnglish
Pages (from-to)100709-100714
Number of pages6
JournalRSC Advances
Volume5
Issue number122
DOIs
Publication statusPublished - 2015

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Nanosheets
Ethylene Glycol
Ethylene glycol
Surface-Active Agents
Cathodes
Surface active agents
Water

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

Superior high rate capability of size-controlled LiMnPO4/C nanosheets with preferential orientation. / Dinh, Hung Cuong; Mho, Sun Il; Yeo, In Hyeong; Kang, Yongku; Kim, Dong-Wan.

In: RSC Advances, Vol. 5, No. 122, 2015, p. 100709-100714.

Research output: Contribution to journalArticle

Dinh, Hung Cuong ; Mho, Sun Il ; Yeo, In Hyeong ; Kang, Yongku ; Kim, Dong-Wan. / Superior high rate capability of size-controlled LiMnPO4/C nanosheets with preferential orientation. In: RSC Advances. 2015 ; Vol. 5, No. 122. pp. 100709-100714.
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