XLI2MGHN hydrides as hydrogen storage compounds

Details XLI2MGHN hydrides as hydrogen storage compounds XLI2MGHN hydrides as hydrogen storage compounds

2009-10-19

2011-12-06

Langel, Wayne (Department: 1736)

Chemistry of inorganic compounds

Rare earth compound

C420S900000, C423S644000, C429S218200

Reexamination Certificate

active

08071064

ABSTRACT:
State-of-the-art electronic structure calculations yield results consistent with the observed compound SiLi2Mg and provide likelihood of the availability of IrLi2Mg and RhLi2Mg. Similar calculations provide likelihood of the availability of YLi2MgHn, ZrLi2MgHn, NbLi2MgHn, MoLi2MgHn, TcLi2MgHn, RuLi2MgHn, RhLi2MgHn, LaLi2MgHn, Ce4+Li2MgHn, Ce3+Li2MgHn, PrLi2MgHn, NdLi2MgHn, PmLi2MgHn, SmLi2MgHn, EuLi2MgHn, GdLi2MgHn, TbLi2MgHn, DyLi2MgHn, HoLi2MgHn, ErLi2MgHn, TmLi2MgHn, YbLi2MgHn, LuLi2MgHn, HfLi2MgHn, TaLi2MgHn, ReLi2MgHn, OsLi2MgHn, and IrLi2MgHn(here n is an integer having a value in a particular compound of 4-7) as solid hydrides for the storage and release of hydrogen. Different hydrogen contents may be obtained in compounds having the same XLi2Mg crystal structures. These materials offer utility for hydrogen storage systems.

REFERENCES:
patent: 7618607 (2009-11-01), Herbst
patent: 2008/0305024 (2008-12-01), Herbst
patent: 2011/0038776 (2011-02-01), Herbst
Takasaki et al. “High-pressure synthesis of novel hydrides Mg7-xAxTiH16-x (A=Li, Na, k x=0-1.0) and their reversible hydrogen storage properties” Journal of Alloys and compounds, 2010, 494, p. 439-445.

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