Electrochemical performance of Ni xCo 1-xMoO 4 (0 ≤ x ≤ 1) nanowire anodes for lithium-ion batteries

Kyung Soo Park, Seung Deok Seo, Hyun Woo Shim, Dong-Wan Kim

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Ni xCo 1-xMoO 4 (0 ≤ x ≤ 1) nanowire electrodes for lithium-ion rechargeable batteries have been synthesized via a hydrothermal method, followed by thermal post-annealing at 500°C for 2 h. The chemical composition of the nanowires was varied, and their morphological features and crystalline structures were characterized using field-emission scanning electron microscopy and X-ray powder diffraction. The reversible capacity of NiMoO 4 and Ni 0.75Co 0.25MoO 4 nanowire electrodes was larger (≈520 mA h/g after 20 cycles at a rate of 196 mA/g) than that of the other nanowires. This enhanced electrochemical performance of Ni xCo 1-xMoO 4 nanowires with high Ni content was ascribed to their larger surface area and efficient electron transport path facilitated by their one-dimensional nanostructure.

Original languageEnglish
Article number35
Pages (from-to)1-14
Number of pages14
JournalNanoscale Research Letters
Volume7
DOIs
Publication statusPublished - 2012 Jan 25
Externally publishedYes

Fingerprint

Nanowires
electric batteries
Anodes
anodes
nanowires
lithium
ions
Electrodes
electrodes
Secondary batteries
Lithium
Field emission
X ray powder diffraction
field emission
Nanostructures
chemical composition
Lithium-ion batteries
Annealing
Ions
Crystalline materials

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Electrochemical performance of Ni xCo 1-xMoO 4 (0 ≤ x ≤ 1) nanowire anodes for lithium-ion batteries. / Park, Kyung Soo; Seo, Seung Deok; Shim, Hyun Woo; Kim, Dong-Wan.

In: Nanoscale Research Letters, Vol. 7, 35, 25.01.2012, p. 1-14.

Research output: Contribution to journalArticle

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