Hydrothermal stability of mesoporous Ni-doped γ-Al_2O_3

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概要

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• Ni-doped γ-Al2O3 with different molar compositions has been synthesized on α-Al2O3 porous supports by the sol-gel method using nitrate-alkoxide precursors. The increasing of lattice constants by Ni doping showed the formation of uniform solid solution. When the Ni content increased up to 10 mol%, NiO phase was formed. The relationship between molar compositions and hydrothermal stability under atmosphere of steam/N2 = 3 at 773 K for 0-50 h was compared. The pore size distribution of 5 mol% Ni-doped γ-Al2O3 on α-Al2O3 porous support was stable even after hydrothermal exposure at 773 K for 50 h.

• 公益社団法人 日本セラミックス協会の論文
• 2009-07-01

著者

• TAKAHASHI Seiji

  Japan Fine Ceramics Center

• NAGANO Takayuki

  Environmental Material Department, Materials Research and Development Laboratory, Japan Fine Ceramic

• SATO Koji

  Environmental Material Department, Materials Research and Development Laboratory, Japan Fine Ceramic

• SAITOH Tomohiro

  Nanoscopy & Simulation Department, Nanostructures Research Laboratory, Japan Fine Ceramics Center

• TAKAHASHI Seiji

  Environmental Material Department, Materials Research and Development Laboratory, Japan Fine Ceramic

• Nagano Takayuki

  Environmental Material Department Materials Research And Development Laboratory Japan Fine Ceramics

• Takahashi Seiji

  Environmental Material Department Materials Research And Development Laboratory Japan Fine Ceramics

• Saitoh Tomohiro

  Nanoscopy & Simulation Department Nanostructures Research Laboratory Japan Fine Ceramics Center

• Nagano Takayuki

  Environmental Material Dep. Materials Res. And Dev. Lab. Japan Fine Ceramics Center

• Sato Koji

  Environmental Material Department Materials Research And Development Laboratory Japan Fine Ceramics

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