TiO2-coated Ni powder as a new cathode material for molten carbonate fuel cells

Ming Zi Hong; Hyun Suk Lee; Min Hyuk Kim; Eun Joo Park; Hyung Wook Ha; Keon Kim

doi:10.1016/j.jpowsour.2005.03.236

TiO₂-coated Ni powder as a new cathode material for molten carbonate fuel cells

Ming Zi Hong, Hyun Suk Lee, Min Hyuk Kim, Eun Joo Park, Hyung Wook Ha, Keon Kim^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

The properties of a new cathode material of nano-sized TiO₂-coated Ni powder for application in molten carbonate fuel cells (MCFCs) are investigated. The material is prepared by a sol-gel method. X-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM) with energy dispersive X-ray analysis (EDAX), transmission electron microscopy (TEM) and Raman spectroscopy are employed to characterize the cathode material. The nano-sized TiO₂ particles are homogenously coated on the surface of the Ni powder. A stable LiTi_1-xNi_xO₂ phase is formed on the surface of the Ni powder during immersion in molten carbonate at 650 °C. The solubility of the TiO₂-coated Ni cathode is about 50% lower compare with that of a pure Ni cathode.

Original language	English
Pages (from-to)	158-165
Number of pages	8
Journal	Journal of Power Sources
Volume	156
Issue number	2
DOIs	https://doi.org/10.1016/j.jpowsour.2005.03.236
Publication status	Published - 2006 Jun 1

Bibliographical note

Funding Information:
This work was supported by the Korea Electric Power Corporation.

Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.

Keywords

LiTiNiO
Molten carbonate fuel cell
Sol-gel method
Solubility
TiO-coated nickel cathode

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.jpowsour.2005.03.236

Cite this

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title = "TiO2-coated Ni powder as a new cathode material for molten carbonate fuel cells",

abstract = "The properties of a new cathode material of nano-sized TiO2-coated Ni powder for application in molten carbonate fuel cells (MCFCs) are investigated. The material is prepared by a sol-gel method. X-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM) with energy dispersive X-ray analysis (EDAX), transmission electron microscopy (TEM) and Raman spectroscopy are employed to characterize the cathode material. The nano-sized TiO2 particles are homogenously coated on the surface of the Ni powder. A stable LiTi1-xNixO2 phase is formed on the surface of the Ni powder during immersion in molten carbonate at 650 °C. The solubility of the TiO2-coated Ni cathode is about 50\% lower compare with that of a pure Ni cathode.",

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AU - Hong, Ming Zi

AU - Lee, Hyun Suk

AU - Kim, Min Hyuk

AU - Park, Eun Joo

AU - Ha, Hyung Wook

AU - Kim, Keon

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AB - The properties of a new cathode material of nano-sized TiO2-coated Ni powder for application in molten carbonate fuel cells (MCFCs) are investigated. The material is prepared by a sol-gel method. X-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM) with energy dispersive X-ray analysis (EDAX), transmission electron microscopy (TEM) and Raman spectroscopy are employed to characterize the cathode material. The nano-sized TiO2 particles are homogenously coated on the surface of the Ni powder. A stable LiTi1-xNixO2 phase is formed on the surface of the Ni powder during immersion in molten carbonate at 650 °C. The solubility of the TiO2-coated Ni cathode is about 50% lower compare with that of a pure Ni cathode.

KW - LiTiNiO

KW - Molten carbonate fuel cell

KW - Sol-gel method

KW - Solubility

KW - TiO-coated nickel cathode

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