Thermal Decomposition of PVB (polyvinyl butyral) Binder in the MCFC (molten carbonate fuel cell)

Jung Ju Seo, Ji Young Kim, Keon Kim

Research output: Contribution to journalArticle

Abstract

The thermal decomposition of matrix-green sheet and electrolyte-green sheet in CO 2, sintering effect of Ni-green sheet for the decomposition of matrix-green sheet, and binder burnout during MCFC unit cell operation were studied. Binders decomposed incompletely in CO 2 and thermal decomposition of electrolyte-green sheet was affected more than that of matrix-green sheet by CO 2. It was important to decompose the binder completely before it changed to nonoxidative condition. Binders were more effectively eliminated in the sintered Ni-matrix green sheet than Ni-matrix green sheet. The decomposition state of binder during unit cell operation was showed by analyzing the produced gases. Two characteristic peaks, butanal and butene were detected at all experimental condition and binder burnout state was checked by analyzing the change of two index peaks during decomposition process. Most of binders in the unit cell were decomposed sufficiently under slow heating rate and initial oxidative condition.

Original languageEnglish
Pages (from-to)428-433
Number of pages6
JournalBulletin of the Korean Chemical Society
Volume19
Issue number4
Publication statusPublished - 1998 Dec 1

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Molten carbonate fuel cells (MCFC)
Binders
Pyrolysis
Carbon Monoxide
Decomposition
Electrolytes
polyvinylbutyral
Heating rate
Sintering
Gases

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Thermal Decomposition of PVB (polyvinyl butyral) Binder in the MCFC (molten carbonate fuel cell). / Seo, Jung Ju; Kim, Ji Young; Kim, Keon.

In: Bulletin of the Korean Chemical Society, Vol. 19, No. 4, 01.12.1998, p. 428-433.

Research output: Contribution to journalArticle

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