journal article·2017-05-23

Tunable Nanoporous Metallic Glasses Fabricated by Selective Phase Dissolution and Passivation for Ultrafast Hydrogen Uptake

Wei Jiao, Pan Liu, Huaijun Lin, Wei Zhou, Zhi Wang, Takeshi Fujita, Akihiko Hirata, Hai-Wen Li, Mingwei Chen

Chemistry of Materials· Volume 29· Issue 10
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Abstract

Realizing a large specific area in disordered metallic glasses is of great scientific and technological importance. Here we report a nanoporous multicomponent metallic glass fabricated by the combination of selective phase dissolution and passivation of a spinodally decomposed glassy precursor. The nanoporous metallic glass shows superior hydrogen uptake performance by taking advantage of the large specific surface area of the nanoporous structure and the high diffusivity of hydrogen in metallic glasses. The facile route of selective corrosion and passivation, decoupling the galvanic corrosion and alloy stability, opens a new avenue for functionalizing metallic glasses as a large-surface area and lightweight material for various structural and functional applications.
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Research context

OpenAlex topics: Nanoporous metals and alloys · Metallic Glasses and Amorphous Alloys · Magnetic properties of thin films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

WPI Advanced Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200030, China

Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, School of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China

Mathematics for Advanced Materials-OIL, AIST-Tohoku University, Sendai 980-8577, Japan

International Research Center for Hydrogen Energy, Kyushu University, Fukuoka 819-0395, Japan

CREST, JST, 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan

Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States

Funding

Ministry of Education, Culture, Sports, Science and Technology · Ministry of Science and Technology of the People's Republic of China · Core Research for Evolutional Science and Technology · Japan Society for the Promotion of Science · National Natural Science Foundation of China

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