Powder morphology of Ni/YSZ core-shell according to the plating conditions of using the electroless plating method

Jae Won Jang, Jin Ho Kim, Jonghee Hwang, Tae Young Lim, Jong Heun Lee, Mi Jai Lee

Research output: Contribution to journalArticle

Abstract

In this study, Ni-YSZ anode catalysts with a core-shell structure were synthesized by an electroless nickel plating method for solid oxide fuel cells (SOFCs). We investigated the microstructure and composition of the Ni-YSZ powder that were synthesized according to the plating conditions, which were the pretreatment cycles, temperature and time. The surface of the synthesized Ni-YSZ powders was homogenously plated with Ni particles and the powders had a core-shell structure. The catalyst nuclei of Sn and Pd were uniformly distributed on the surface of YSZ powders fabricated by the pretreatment of three cycles. As the plating time and temperature increased, the nickel particles increased and the plating layer was dense. However, when the plating temperature was over 90 °C, the decomposition of the solution occurred. Therefore, the plating conditions were adjusted to control the shape of the Ni-YSZ core-shell powder. Finally, the Ni-YSZ particles with a size of 0.5 μm and a core-shell structure were fabricated at 80 °C for 10 minutes.

Original languageEnglish
Pages (from-to)373-377
Number of pages5
JournalJournal of Korean Institute of Metals and Materials
Volume52
Issue number5
DOIs
Publication statusPublished - 2014 Jan 1

Fingerprint

Electroless plating
Plating
Powder
Powders
Shell
Shell Structure
Nickel
Catalyst
Solid Oxide Fuel Cell
Nickel plating
Cycle
Catalysts
Solid oxide fuel cells (SOFC)
Temperature
Nucleus
Microstructure
Anodes
Decomposition
Decompose
Chemical analysis

Keywords

  • Composites
  • Core-shell
  • Plating
  • Scanning electron microscopy (SEM)
  • Surface

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Metals and Alloys
  • Surfaces, Coatings and Films
  • Modelling and Simulation

Cite this

Powder morphology of Ni/YSZ core-shell according to the plating conditions of using the electroless plating method. / Jang, Jae Won; Kim, Jin Ho; Hwang, Jonghee; Lim, Tae Young; Lee, Jong Heun; Lee, Mi Jai.

In: Journal of Korean Institute of Metals and Materials, Vol. 52, No. 5, 01.01.2014, p. 373-377.

Research output: Contribution to journalArticle

Jang, Jae Won ; Kim, Jin Ho ; Hwang, Jonghee ; Lim, Tae Young ; Lee, Jong Heun ; Lee, Mi Jai. / Powder morphology of Ni/YSZ core-shell according to the plating conditions of using the electroless plating method. In: Journal of Korean Institute of Metals and Materials. 2014 ; Vol. 52, No. 5. pp. 373-377.
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