| 학회 |
한국화학공학회 |
| 학술대회 |
2007년 가을 (10/26 ~ 10/27, 한국과학기술원) |
| 권호 |
13권 2호, p.2416 |
| 발표분야 |
촉매 및 반응공학 |
| 제목 |
Investigation of metal alloy and metal alloy suspension catalyst for hydrogen release from NaBH4 for PEMFC application |
| 초록 |
Sodium borohydride (NaBH4) is a promising candidate for hydrogen storage materials as a hydrogen carrier for portable fuel cell systems. In order to reduce volume and cost of the hydrogen generation system, high-performance catalyst which contains less precious metal is required. In this present investigation, a number of metal alloy compositions have been evaluated by high throughput screening (HTS) test. Among the binary catalyst tried, Ru80Fe20 suspension exhibited a highest activity, which is around 275% higher than the Ru/Co alone. In the case of tertiary alloy suspension, the hydrogen release rate is highest in the Ru–Co–Fe alloy when compared with the binary metal alloy composition (Ru–Co or Ru–Fe). In the case of ACF supported ruthenium catalyst, the reduction process plays an important role in both the particle size of the formed catalyst and consequent enhancement of hydrogen release rate. The prepared catalysts were analyzed by XRD and XPS spectra, which indicate the presence of alloy consisted of ruthenium, cobalt and iron. The suitability of the catalyst in the real PEM Fuel cell application has been examined and it shows the applicability in field applications. |
| 저자 |
Piraman Shakkthivel1, 박준현1, 김현종2, 한명근2, 김한성1, 김용록1, 설용건1
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| 소속 |
1연세대, 2생산기술(연) |
| 키워드 |
sodium borohydride; high throughput screening; alloy catalyst
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| E-Mail |
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| VOD |
VOD 보기 |
| 원문파일 |
초록 보기 |
