Characteristics of Sn-Ni alloy powders directly prepared by spray pyrolysis

Seo Hee Ju, Hee Chan Jang, Yun Chan Kang, Dong Won Kim

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Fine size Sn-Ni alloy powders with spherical shape were directly prepared by spray pyrolysis. The alloy powders prepared at temperatures below 1200 °C had bimodal size distributions of nano- and submicron-sized powders. Nano-sized powders were formed by chemical vapor deposition process from the evaporated Sn component. The powders had main peaks of Sn-Ni alloys irrespective of the preparation temperatures. Ni and Sn components are well dispersed inside the submicron-sized powders. The initial discharge capacity of the Sn-Ni alloy powders prepared at a temperature of 1100 °C was 477 mAh/g. However, the initial discharge capacity of the Sn-Ni alloy powders prepared at temperature of 1000 and 1200 °C temperature were 255 and 411 mAh/g respectively. The Sn-Ni alloy powders prepared at a temperature of 1100 °C had more good cycle performance than those prepared at temperatures of 1000 and 1200 °C.

Original languageEnglish
Pages (from-to)177-180
Number of pages4
JournalJournal of Alloys and Compounds
Volume478
Issue number1-2
DOIs
Publication statusPublished - 2009 Jun 10
Externally publishedYes

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Keywords

  • Chemical synthesis
  • Electrode materials
  • Gas-solid reaction
  • Metals and alloys

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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