Investigation of metal alloy catalyst for hydrogen release from sodium borohydride for polymer electrolyte membrane fuel cell application

Joon Hyun Park, Piraman Shakkthivel, Hyun Jong Kim, Myung Keun Han, Jae Hyuk Jang, Yong Rok Kim, Hansung Kim, Yong-Gun Shul

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Sodium borohydride (NaBH4) is a promising candidate for storing hydrogen in portable fuel cell systems. In order to reduce the volume and cost of the hydrogen generation systems, a high-performance catalyst containing a less precious metal is imperative. In this present investigation, a number of metal alloy compositions are compared in a high throughput screening (HTS) test. In the case of tertiary alloy suspension, the hydrogen release rate of Ru60 Co20 Fe20 shows highest H2 release (26.8 L min- 1 g- 1). In the case of the activated carbon fiber (ACF) supported ruthenium catalyst, the reduction process plays an important role in both the particle size of the formed catalyst and consequent enhancement of the hydrogen release rate. Ru60 Co20 Fe20 / ACF showed its highest hydrogen release rate at 41.73 L min- 1 gRu - 1. The prepared catalysts were analyzed by XRD and XPS spectra. The suitability of the catalyst in the real proton exchange membrane fuel cell application has been examined and it shows the applicability for common use.

Original languageEnglish
Pages (from-to)1845-1852
Number of pages8
JournalInternational Journal of Hydrogen Energy
Volume33
Issue number7
DOIs
Publication statusPublished - 2008 Apr 1

Fingerprint

borohydrides
Proton exchange membrane fuel cells (PEMFC)
fuel cells
Sodium
sodium
electrolytes
membranes
catalysts
Hydrogen
Catalysts
polymers
hydrogen
Metals
metals
activated carbon
carbon fibers
Activated carbon
Carbon fibers
Precious metals
noble metals

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

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abstract = "Sodium borohydride (NaBH4) is a promising candidate for storing hydrogen in portable fuel cell systems. In order to reduce the volume and cost of the hydrogen generation systems, a high-performance catalyst containing a less precious metal is imperative. In this present investigation, a number of metal alloy compositions are compared in a high throughput screening (HTS) test. In the case of tertiary alloy suspension, the hydrogen release rate of Ru60 Co20 Fe20 shows highest H2 release (26.8 L min- 1 g- 1). In the case of the activated carbon fiber (ACF) supported ruthenium catalyst, the reduction process plays an important role in both the particle size of the formed catalyst and consequent enhancement of the hydrogen release rate. Ru60 Co20 Fe20 / ACF showed its highest hydrogen release rate at 41.73 L min- 1 gRu - 1. The prepared catalysts were analyzed by XRD and XPS spectra. The suitability of the catalyst in the real proton exchange membrane fuel cell application has been examined and it shows the applicability for common use.",
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Investigation of metal alloy catalyst for hydrogen release from sodium borohydride for polymer electrolyte membrane fuel cell application. / Park, Joon Hyun; Shakkthivel, Piraman; Kim, Hyun Jong; Han, Myung Keun; Jang, Jae Hyuk; Kim, Yong Rok; Kim, Hansung; Shul, Yong-Gun.

In: International Journal of Hydrogen Energy, Vol. 33, No. 7, 01.04.2008, p. 1845-1852.

Research output: Contribution to journalArticle

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AU - Kim, Hansung

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