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Improvement of hydrogen storage kinetics in ball-milled magnesium doped with antimony

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F17%3A00473332" target="_blank" >RIV/68081723:_____/17:00473332 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216305:26210/17:PU140495

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S0360319916334012?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0360319916334012?via%3Dihub</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.ijhydene.2016.11.113" target="_blank" >10.1016/j.ijhydene.2016.11.113</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Improvement of hydrogen storage kinetics in ball-milled magnesium doped with antimony

  • Original language description

    Kinetics and dynamics of hydrogen storage are studied in magnesium based alloys Mg–Sb–C doped with 5, 13.3 and 21 wt.% of antimony at temperatures between 275 °C and 350 °C. Carbon is added in order to facilitate the ball milling. MgH2 hydride is the principal hydrogen storage phase in all studied alloys. It is found that antimony (i) significantly improves the kinetics of hydrogen sorption compared to hydrogen sorption in pure Mg, and (ii) after long-term ball milling Sb attains the high sorption capacity cmax, which approaches the maximum theoretical value of the pure MgH2 hydride, cth = 7.7 wt.% H2. The high value of cmax remains unchanged in the whole temperature interval from 275 °C to 350 °C. At the temperature of 350 °C, the 90% of cmax is (ab/de)sorbed typically within approximately 5 min starting with the second sorption cycle.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

Result continuities

  • Project

    <a href="/en/project/LQ1601" target="_blank" >LQ1601: CEITEC 2020</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    International Journal of Hydrogen Energy

  • ISSN

    0360-3199

  • e-ISSN

    1879-3487

  • Volume of the periodical

    42

  • Issue of the periodical within the volume

    9

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    8

  • Pages from-to

    6144-6151

  • UT code for WoS article

    000399507100051

  • EID of the result in the Scopus database

    2-s2.0-85008151980