Abnormal Hydrogen Absorption/Desorption Properties of Nanoporous Pt with Large Lattice Strains
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- Hakamada Masataka
- Department of Energy Science and Technology, Graduate School of Energy Science, Kyoto University
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- Furukawa Toshiyuki
- Department of Energy Science and Technology, Graduate School of Energy Science, Kyoto University
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- Yamamoto Tao
- Undergraduate School of Global Engineering, Faculty of Engineering, Kyoto University
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- Takahashi Masaki
- Department of Energy Science and Technology, Graduate School of Energy Science, Kyoto University
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- Mabuchi Mamoru
- Department of Energy Science and Technology, Graduate School of Energy Science, Kyoto University
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Hydrogen absorption/desorption properties of nanoporous Pt fabricated by dealloying were investigated. At high pressure (>1.3 MPa), the nanoporous Pt released hydrogen during hydrogen pressurization; in contrast, it absorbed hydrogen up to 3.5 atom% during hydrogen depressurization, which have not been seen in current metal/hydride systems including nanoparticles. First-principles calculations suggested that the abnormal hydrogen absorption/desorption properties are due to the relaxation/preservation of the lattice strain in Pt hydride.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 52 (4), 806-809, 2011
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001204249273856
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- NII論文ID
- 10028175668
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- HANDLE
- 2433/237641
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- NDL書誌ID
- 11058411
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- NDL
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- 使用不可