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  • 09월 05일 13시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

Hydrogen Generation from N2H4 through Catalytic Decomposition over Ir Nanoparticles

등록일
2007년 9월 6일 14시 45분 36초
접수번호
1608
발표코드
목21E3심 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
목 14시 : 50분
발표형식
심포지엄
발표분야
재료화학 - Chemistry for Future Energy
저자 및
공동저자
조성준
전남대학교 응용화학공학부,
A catalyst with an ultra high iridium load was prepared using a method involving multiple impregnations.  The obtained iridium catalyst contained between 29 - 35 wt% of 2 nm-sized nanoparticles dispersed on a support such as reinforced alumina, bauxite and precipitated alumina. XAFS suggested a possible structural model of Ir4 surrounded by oxygen. The decomposition of hydrazine hydrate to its elements was used as a probe reaction. The results showed that a catalyst support with a high mechanical strength such as reinforced alumina and bauxite is essential for sustaining the decomposition reaction of hydrazine hydrate where there is a high degree of mechanical and thermal shock.  The decomposition reaction of hydrazine monohydrate (N2H4–H2O) proceeded rapidly to generate a COx-free hydrogen-rich gas through contact with the iridium catalyst at room temperature.

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