Self-ignition combustion synthesis of TiFe_[1-x]Mn_[x] hydrogen storage alloy

Yasuda, Naoto; Wakabayashi, Ryuta; Sasaki, Shino; Okinaka, Noriyuki; Akiyama, Tomohiro

Self-ignition combustion synthesis of TiFe_[1-x]Mn_[x] hydrogen storage alloy

Yasuda, Naoto; Wakabayashi, Ryuta; Sasaki, Shino et al.

International Journal of Hydrogen Energy, 2009, 34(22), 9122-9127

Permalink : https://hdl.handle.net/2115/42490

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アクセス権	open access
URI	https://hdl.handle.net/2115/42490
タイトル	Self-ignition combustion synthesis of TiFe_[1-x]Mn_[x] hydrogen storage alloy
著者	Yasuda, Naoto ; Wakabayashi, Ryuta ; Sasaki, Shino ; Okinaka, Noriyuki ; Akiyama, Tomohiro
著者名 Yasuda, Naoto
著者名 Wakabayashi, Ryuta
著者名 Sasaki, Shino
著者名 Okinaka, Noriyuki
e-Rad_Researcher 50175808 著者名 Akiyama, Tomohiro
言語	英語
キーワード	Hydrogen storage alloy
	Combustion synthesis
	TiFeMn
	Dual plateau
	Activation treatment
発行日	2009-11
出版者	Elsevier Ltd.
収録物名	International Journal of Hydrogen Energy
巻(号)	34(22)
ページ	9122-9127
抄録	The paper describes the self-ignition combustion synthesis (SICS) of the hydrogen storage alloy TiFe_[1-x]Mn_[x] (X = 0, 0.1, 0.2, 0.3, and 0.5) in a hydrogen atmosphere, where the hydrogenation properties of the products are mainly examined. in the experiments, the well-mixed powders of Ti, Fe, and Mn in the molar ratio of 1:1-X:X were uniformly heated up to 1473 K, and then were cooled naturally in pressurized hydrogen at 0.9 MPa. All products were successfully synthesized by utilizing the exothermic reaction, which occurred at around 1358 K. The XRD analysis showed that SICS generated TiFe_[1-x]Mn_[x] in the range of X value from 0 to 0.3. All SICSed products absorbed hydrogen smoothly at 298 K at an initial pressure of 4.1 MPa. Most significantly, TiFe0.8Mn0.2 improved the dual plateau property. The results revealed that SICS was quite effective for producing the hydrogen storage alloy TiFe_[1-x]Mn_[x].
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
PISSN	0360-3199
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.ijhydene.2009.08.102