Enhanced hydrogen desorption property of MgH2 with the addition of cerium fluorides

Huai Jun Lin; Junko Matsuda; Hai Wen Li; Min Zhu; Etsuo Akiba

doi:10.1016/j.jallcom.2014.12.102

Enhanced hydrogen desorption property of MgH₂ with the addition of cerium fluorides

Huai Jun Lin, Junko Matsuda, Hai Wen Li, Min Zhu, Etsuo Akiba

Hydrogen Utilization Engineering

Research output: Contribution to journal › Article › peer-review

56 Citations (Scopus)

Abstract

Abstract Hydrogen desorption property of MgH₂ doped with cerium fluorides with different valences prepared using ball milling has been studied. CeF₄ is catalytically active for hydrogen desorption of MgH₂. Hydrogen desorption temperature and apparent activation energy of MgH₂ are significantly reduced with dopant of 2 mol% of CeF₄, which might be attributed to the formation of a new Ce-F-Mg specie at the CeF₄/MgH₂ interface and the easy electron transfer induced from the high valence Ce-cation. The apparent activation energy of hydrogen desorption of MgH₂ is reduced from ∼160 kJ/mol to ∼110 kJ/mol with the dopant of CeF₄.

Original language	English
Article number	32835
Pages (from-to)	S392-S396
Journal	Journal of Alloys and Compounds
Volume	645
Issue number	S1
DOIs	https://doi.org/10.1016/j.jallcom.2014.12.102
Publication status	Published - Aug 11 2015

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

Access to Document

10.1016/j.jallcom.2014.12.102

Cite this

@article{6d31e281d6da44bbb83bd7ccdf0aba09,

title = "Enhanced hydrogen desorption property of MgH2 with the addition of cerium fluorides",

abstract = "Abstract Hydrogen desorption property of MgH2 doped with cerium fluorides with different valences prepared using ball milling has been studied. CeF4 is catalytically active for hydrogen desorption of MgH2. Hydrogen desorption temperature and apparent activation energy of MgH2 are significantly reduced with dopant of 2 mol% of CeF4, which might be attributed to the formation of a new Ce-F-Mg specie at the CeF4/MgH2 interface and the easy electron transfer induced from the high valence Ce-cation. The apparent activation energy of hydrogen desorption of MgH2 is reduced from ∼160 kJ/mol to ∼110 kJ/mol with the dopant of CeF4.",

author = "Lin, {Huai Jun} and Junko Matsuda and Li, {Hai Wen} and Min Zhu and Etsuo Akiba",

note = "Funding Information: H.J.L. appreciates the support from China Scholarship Council (CSC) and the Department of Mechanical Engineering, Kyushu University. M.Z. thanks the financial support from National Natural Science Foundation of China (No. 51431001 ) and the key project of DEGP (cxzd1010). The part of this study has been supported by International Institute for Carbon-Neutral Energy Research (WPI-I2CNER). Publisher Copyright: {\textcopyright} 2014 Elsevier B.V.",

year = "2015",

month = aug,

day = "11",

doi = "10.1016/j.jallcom.2014.12.102",

language = "English",

volume = "645",

pages = "S392--S396",

journal = "Journal of Alloys and Compounds",

issn = "0925-8388",

publisher = "Elsevier BV",

number = "S1",

}

TY - JOUR

T1 - Enhanced hydrogen desorption property of MgH2 with the addition of cerium fluorides

AU - Lin, Huai Jun

AU - Matsuda, Junko

AU - Li, Hai Wen

AU - Zhu, Min

AU - Akiba, Etsuo

N1 - Funding Information: H.J.L. appreciates the support from China Scholarship Council (CSC) and the Department of Mechanical Engineering, Kyushu University. M.Z. thanks the financial support from National Natural Science Foundation of China (No. 51431001 ) and the key project of DEGP (cxzd1010). The part of this study has been supported by International Institute for Carbon-Neutral Energy Research (WPI-I2CNER). Publisher Copyright: © 2014 Elsevier B.V.

PY - 2015/8/11

Y1 - 2015/8/11

N2 - Abstract Hydrogen desorption property of MgH2 doped with cerium fluorides with different valences prepared using ball milling has been studied. CeF4 is catalytically active for hydrogen desorption of MgH2. Hydrogen desorption temperature and apparent activation energy of MgH2 are significantly reduced with dopant of 2 mol% of CeF4, which might be attributed to the formation of a new Ce-F-Mg specie at the CeF4/MgH2 interface and the easy electron transfer induced from the high valence Ce-cation. The apparent activation energy of hydrogen desorption of MgH2 is reduced from ∼160 kJ/mol to ∼110 kJ/mol with the dopant of CeF4.

AB - Abstract Hydrogen desorption property of MgH2 doped with cerium fluorides with different valences prepared using ball milling has been studied. CeF4 is catalytically active for hydrogen desorption of MgH2. Hydrogen desorption temperature and apparent activation energy of MgH2 are significantly reduced with dopant of 2 mol% of CeF4, which might be attributed to the formation of a new Ce-F-Mg specie at the CeF4/MgH2 interface and the easy electron transfer induced from the high valence Ce-cation. The apparent activation energy of hydrogen desorption of MgH2 is reduced from ∼160 kJ/mol to ∼110 kJ/mol with the dopant of CeF4.

UR - http://www.scopus.com/inward/record.url?scp=84939254194&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84939254194&partnerID=8YFLogxK

U2 - 10.1016/j.jallcom.2014.12.102

DO - 10.1016/j.jallcom.2014.12.102

M3 - Article

AN - SCOPUS:84939254194

SN - 0925-8388

VL - 645

SP - S392-S396

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

IS - S1

M1 - 32835

ER -

Enhanced hydrogen desorption property of MgH₂ with the addition of cerium fluorides

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this