Precipitation of Ni nanoparticle on Al2O3 powders by novel rotary chemical vapor deposition

Jianfeng Zhang, Rong Tu, Takashi Goto

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Ni nanoparticles were precipitated on Al2O3 support powder by rotary chemical vapor deposition (RCVD). The Ni nanoparticle size increased from 8 to 62nm in diameter and the content of Ni decreased from 6.6 to 2.4mass % with increasing Al2O3 powder diameter (D Al2O3) from 80nm to 150 μm. The catalytic activity of Ni precipitated Al2O3 (Ni/Al2O3) powder was evaluated by the hydrogen production rate (RH2) in a methanol-steam flow. The RH2 decreased with increasing D Al2O3 and increased with increasing specific surface area of Ni/Al2O3 powder. The highest RH2 of Ni/Al 2O3 powder was 709 × 10-3 mol kg -1 s-1 at 633 K, DNi = 8nm and D Al2O3 = 80nm.

Original languageEnglish
Pages (from-to)226-229
Number of pages4
JournalJournal of the Ceramic Society of Japan
Volume121
Issue number1410
DOIs
Publication statusPublished - 2013 Feb

Keywords

  • Alumina support
  • Catalytic activity
  • Ni nanoparticles
  • Rotary chemical vapor deposition

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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