Catalytic absorbents containing CaO and Ca<SUB>12</SUB>Al<SUB>14</SUB>O<SUB>33</SUB> and metallic Ni in one body were prepared in combination of precipitation and hydration and tested for sorption enhanced hydrogen ...
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https://www.riss.kr/link?id=A107686072
2013
-
SCOPUS,SCIE
학술저널
6072-6078(7쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
Catalytic absorbents containing CaO and Ca<SUB>12</SUB>Al<SUB>14</SUB>O<SUB>33</SUB> and metallic Ni in one body were prepared in combination of precipitation and hydration and tested for sorption enhanced hydrogen ...
Catalytic absorbents containing CaO and Ca<SUB>12</SUB>Al<SUB>14</SUB>O<SUB>33</SUB> and metallic Ni in one body were prepared in combination of precipitation and hydration and tested for sorption enhanced hydrogen production (SEHP). Adding aluminum precursor in the precipitation step induced the formation of Ca<SUB>12</SUB>Al<SUB>14</SUB>O<SUB>33</SUB> and FIB-TEM analysis revealed that Ca<SUB>12</SUB>Al<SUB>14</SUB>O<SUB>33</SUB> provides spacious pathway for CO<SUB>2</SUB> diffusion by forming porous structure. In thermogravimetric analysis, Ca<SUB>12</SUB>Al<SUB>14</SUB>O<SUB>33</SUB> was identified as an excellent support material providing superior cyclic stability for Ca-based sorbent. Catalytic absorbents were prepared with adding various amount of Ni precursor (3, 5, 7, and 10 wt %). The SEHP test with the catalytic absorbents showed that 7wt% of Ni loading resulted in excellent performance in terms of H<SUB>2</SUB> production and CH<SUB>4</SUB> conversion. Ni agglomeration was observed when 10 wt% of Ni is loaded on the catalytic absorbent.
Hydrogen production via steam gasification of ash free coals
Optimization of GDLs for high-performance PEMFC employing stainless steel bipolar plates