Non-hydrothermal synthesis of ID nanostructured manganesebased oxides: Effect of cation substitution on the electrochemical performance of nanowires

Dae Hoon Park, Sun Hee Lee, Tae Woo Kim, Seung Tae Lim, Seong Ju Hwang, Young Soo Yoon, Young Ho Lee, Jin Ho Choy

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

The synthesis of cation-substituted ID manganese oxide nanowires is achieved via a non-hydrothermal oxidation reaction using a solid-state precursor and conventional glassware. By changing the reaction conditions and precursor composition, it is possible to control the crystal structure and chemical composition of the resulting ID nanostructured materials. The nanowires are found to exhibit promising electrochemical properties as cathode materials in lithium secondary batteries; moreover, the electrochemical properties of the nanowires can be improved by the partial replacement of Mn with Cr3+ cations. The measurements strongly suggest that the cation composition of the nanostructured metal oxides is very important for optimizing their electrode performance. The non-hydrothermal solution synthesis method presented here provides an effective composition-tailored approach for the fabrication of large quantities of ID manganese oxide nanowires.

Original languageEnglish
Pages (from-to)2949-2956
Number of pages8
JournalAdvanced Functional Materials
Volume17
Issue number15
DOIs
Publication statusPublished - 2007 Oct 15

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Oxides
Nanowires
Cations
nanowires
Substitution reactions
Positive ions
substitutes
cations
Manganese oxide
oxides
manganese oxides
synthesis
Chemical analysis
Electrochemical properties
glassware
storage batteries
Secondary batteries
lithium batteries
Lithium
Nanostructured materials

All Science Journal Classification (ASJC) codes

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

Cite this

Park, Dae Hoon ; Lee, Sun Hee ; Kim, Tae Woo ; Lim, Seung Tae ; Hwang, Seong Ju ; Yoon, Young Soo ; Lee, Young Ho ; Choy, Jin Ho. / Non-hydrothermal synthesis of ID nanostructured manganesebased oxides : Effect of cation substitution on the electrochemical performance of nanowires. In: Advanced Functional Materials. 2007 ; Vol. 17, No. 15. pp. 2949-2956.
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Non-hydrothermal synthesis of ID nanostructured manganesebased oxides : Effect of cation substitution on the electrochemical performance of nanowires. / Park, Dae Hoon; Lee, Sun Hee; Kim, Tae Woo; Lim, Seung Tae; Hwang, Seong Ju; Yoon, Young Soo; Lee, Young Ho; Choy, Jin Ho.

In: Advanced Functional Materials, Vol. 17, No. 15, 15.10.2007, p. 2949-2956.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Non-hydrothermal synthesis of ID nanostructured manganesebased oxides

T2 - Effect of cation substitution on the electrochemical performance of nanowires

AU - Park, Dae Hoon

AU - Lee, Sun Hee

AU - Kim, Tae Woo

AU - Lim, Seung Tae

AU - Hwang, Seong Ju

AU - Yoon, Young Soo

AU - Lee, Young Ho

AU - Choy, Jin Ho

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AB - The synthesis of cation-substituted ID manganese oxide nanowires is achieved via a non-hydrothermal oxidation reaction using a solid-state precursor and conventional glassware. By changing the reaction conditions and precursor composition, it is possible to control the crystal structure and chemical composition of the resulting ID nanostructured materials. The nanowires are found to exhibit promising electrochemical properties as cathode materials in lithium secondary batteries; moreover, the electrochemical properties of the nanowires can be improved by the partial replacement of Mn with Cr3+ cations. The measurements strongly suggest that the cation composition of the nanostructured metal oxides is very important for optimizing their electrode performance. The non-hydrothermal solution synthesis method presented here provides an effective composition-tailored approach for the fabrication of large quantities of ID manganese oxide nanowires.

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