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Hydrogen Sorption Properties of Potassium Alanate

Z.Matysina,
 
† S.Zaginaychenko,
 
D.Schur,
 
A.Zolotarenko,
 
A.Zolotarenko,
 
M.T.Gabdullin
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Russian Physics Journal: Springer US, 2018, Т.61, #2
http://www.materials.kiev.ua/article/2763

Abstract

Molecular kinetic representations were used to develop the statistical theory of phase transformations of thermal decomposition of KAlH4 potassium alanate with formation of a more complex K3AlH6 alanate and KH potassium hydride and subsequent dehydrogenation of the latter accompanied with free hydrogen, pure potassium and aluminum yield. Temperature dependence of the emitted free hydrogen was established. Isotherms and isopleths were built. The possibility of hysteresis effect manifestation was established. The results of calculations were compared to the experimental data.

https://doi.org/10.1007/s11182-018-1395-5


HYDRIDES OF BIALKALI ALANATES K2MALH6 AND NA2LIALH6, ISOPLETHS, ISOTHERMS, K3ALH6, POTASSIUM ALANATES KALH4

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