㔠ᒓ㛫ྜ≀䜢⏝䛔䛯㧗ᛶ⬟ゐ፹䛾㛤Ⓨ Keyword : 㔠ᒓ㛫ྜ≀䚸ゐ፹䚸Ỉ⣲〇㐀 ⊂❧⾜ᨻἲே㻌 ≀㉁䞉ᮦᩱ◊✲ᶵᵓ ᄂᆮỉ Ꮡ ⇞ᩱ㟁ụ䛾ᐇ⏝䛻䛿䚸ᑠᆺ䚸㧗ຠ⋡䚸ప䝁䝇䝖䛾Ỉ⣲〇㐀⏝⇞ᩱᨵ㉁䝅䝇䝔䝮䛾㛤Ⓨ䛜 ᛴົ䛷䛒䜛䚹䛭䛾䛯䜑䚸㈗㔠ᒓせ䛾㧗ᛶ⬟ゐ፹䛸䝇䝔䞁䝺䝇㗰䜘䜚䜒⪏⇕ᛶ䛻ඃ䜜䛯ᨵ ㉁䝅䝇䝔䝮⏝ᐜჾᮦ䛾㛤Ⓨ䛜ྍḞ䛷䛒䜛䚹 ᄂᆮỉ ཀྵẟ ᚑ᮶䚸ゐ፹䛻Pt䚸Rh䛺䛹㈗㔠ᒓ䜢䚸ᛂჾᮦ䛻䝇䝔䞁䝺䝇㗰⟩䜢⏝䛔䛯Ỉ⣲〇㐀⏝䝬䜲䜽 䝻䝸䜰䜽䝍䞊䛜㛤Ⓨ䛥䜜䛶䛔䜛䚹䛧䛛䛧䚸㈗㔠ᒓ䛜㧗౯䛷㈨※㊊䛸䛔䛖ၥ㢟䛜䛒䜚䚸䜎䛯䚸 䝇䝔䞁䝺䝇㗰⟩䛷䛿⪏⇕ᛶ䛜༑ศ䛷䚸䛛䛴ゐ፹䛸䛾ᐦ╔ᛶ䛜Ḟ䛡䜛䚹䛣䛣䛷䛿䚸 Niᇶ㔠 ᒓ㛫ྜ≀䜢ゐ፹䛸ᐜჾᮦ䛸䛧䚸ୖグㄢ㢟䛾ゎỴ䜢ᅗ䜛䚹 இέᇢᄂᆮἚἦἕἁἋ ¾ ᚤ⣽⤌⧊ไᚚཬ䜃⾲㠃ฎ⌮䛻䜘䜚ඃ䜜䛯⪏⇕ᮦᩱ䛷䛒䜛Ni3Alᇶ㔠ᒓ㛫ྜ≀䛾Ỉ⣲〇㐀ゐ፹ᛶ⬟ 䛾ྥୖ ⾲㠃ฎ⌮䛻䜘䜚Ni3Al/Ni2┦⟩䛾ゐ፹άᛶ䛾ྥୖ Ni3Alᅽᘏ⟩䛷స〇䛧 㻌 㻌 㻌 㻌 䛯䝝䝙䜹䝮ᵓ㐀 㻌㻌㻌㻌㻌 ゐ፹䛸ᛂᐜჾᮦ䛾䠎 ᙺ䜢ව䛽䜛䛣䛸䛜ྍ⬟ ¾ 䝥䝷䝈䝬ἲ䛻䜘䜚㔠ᒓ㛫ྜ≀䝘䝜⢏Ꮚゐ፹䛾〇 㻌 ྜᡂ䛧䛯Ni3Alᇶ䝘䝜⢏Ꮚ 㻌㻌㻌 Ni3Al Ni3Al䝘䝜⢏Ꮚ䛿䝯䝍 䝜䞊䝹ศゎ䛻㧗䛔ά ᛶ䜢♧䛩 㻹㼑㼠㼔㼍㼚㼛㼘㻌㼏㼛㼚㼢㼑㼞㼟㼕㼛㼚㻌㻔㻑㻕 㻝㻜㻜 㻌㻺㼕㻞㻡㻭㼘㻌㼚㼍㼚㼛㼜㼍㼞㼠㼕㼏㼘㼑 㻌㻺㼕㻞㻡㻭㼘㻌㼍㼠㼛㼙㼕㼦㼑㼐㻌㼜㼛㼣㼐㼑㼞 㻤㻜 㻢㻜 㻌 㻌㻌 㻠㻜 㻞㻜 㻜 㻡㻜㻜 㻢㻜㻜 㻣㻜㻜 㻤㻜㻜 㼀㼑㼙㼜㼑㼞㼍㼠㼡㼞㼑㻌㻔㻷㻕 ૨ᴾ ྂᴾ 㻌 㻌1. Ya Xu et al., International Journal of Hydrogen Energy, in press. 㻌 2. Ya Xu et al., Applied Catalysis A: General 478 (2014) 165-174. 㻌 3. Ya Xu et al., Journal of Physical Chemistry C 114 (2010) 6047-6053. ࣖဇЎƱʻࢸƷޒ z㻌 Ni3AlᇶỈ⣲〇㐀⏝⟩ゐ፹䛾 AlᇶỈ⣲〇㐀⏝⟩ゐ፹䛾㛤Ⓨ z 㻌 㻌 㻌 㻌 㻌 ⇞ᩱ㟁ụ⏝⇞ᩱᨵ㉁ჾ䜈䛾ᛂ⏝ z㻌 㧗ᛶ⬟㔠ᒓ㛫ྜ≀䝘䝜⢏Ꮚゐ፹䛾㛤Ⓨ 㻌 㻌 㻌 㻌 㻌 ప䝁䝇䝖䚸㧗ຠ⋡᪂䛧䛔ゐ፹䛾ᐇ⌧ z㻌 Ⓩ㘓≉チᩘ䠖7௳㻌 ܱဇ҄ǁӼƚƨᛢ᫆ z㻌 Niᇶ㔠ᒓ㛫ྜ≀⟩䜢⏝䛔䛯ᑠ z Niᇶ㔠ᒓ㛫ྜ≀⟩䜢⏝䛔䛯ᑠᆺ䚸㧗ຠ⋡䛾Ỉ⣲ 〇㐀⏝㧗 䝬䜲䜽䝻䝸䜰䜽䝍䞊䛾㛤Ⓨ z㻌 ᐇ⏝䛾䛯䜑䛾㔠ᒓ㛫ྜ≀ゐ፹䛾ᑑᐇド㻌 z㻌 㧗ᛶ⬟㔠ᒓ㛫ྜ≀⟩ゐ፹タィཎ⌮䛾☜❧㻌 Ỉ⣲⏝ᮦᩱ䝴䝙䝑䝖㻌 ྜ㔠ゐ፹ᮦᩱ䜾䝹䞊䝥㻌 チ㻌 ள (Ya Xu) E-mail : XU.Ya䖃nims.go.jp 㻌 URL : http://www.nims.go.jp/group/g_alloy-catalyst/index.html㻌 㻌 㻌 㻌 㻌 㻌 㻌 — 67 —
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