2013
DOI: 10.1021/ja400131b
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Thermal Stability of Li2B12H12and its Role in the Decomposition of LiBH4

Abstract: The purpose of this study is to compare the thermal and structural stability of single phase Li2B12H12 with the decomposition process of LiBH4. We have utilized differential thermal analysis/thermogravimetry (DTA/TGA) and temperature programmed desorption-mass spectroscopy (TPD-MS) in combination with X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy to study the decomposition products of both LiBH4 and Li2B12H12 up to 600 °C, under both vacuum and hydrogen (H2) backpressure. We have s… Show more

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Cited by 129 publications
(170 citation statements)
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“…One of the most promising candidates for solid state hydrogen storage applications is LiBH 4 , which has a theoretical capacity of 18.5 wt % H 2 . The practical hydrogen amount that can be desorbed is 13.8 wt %, due to the formation of very stable LiH during decomposition, but LiBH 4 is still among the materials with the highest hydrogen capacity considered for solid state storage [1,2].…”
Section: Introductionmentioning
confidence: 99%
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“…One of the most promising candidates for solid state hydrogen storage applications is LiBH 4 , which has a theoretical capacity of 18.5 wt % H 2 . The practical hydrogen amount that can be desorbed is 13.8 wt %, due to the formation of very stable LiH during decomposition, but LiBH 4 is still among the materials with the highest hydrogen capacity considered for solid state storage [1,2].…”
Section: Introductionmentioning
confidence: 99%
“…The practical hydrogen amount that can be desorbed is 13.8 wt %, due to the formation of very stable LiH during decomposition, but LiBH 4 is still among the materials with the highest hydrogen capacity considered for solid state storage [1,2]. However, it requires very tough conditions for rehydrogenation [3] and suffers from capacity loss on cycling due to the formation of higher boranes [4]. Another class of materials to be considered is rare earth (RE) borohydrides, with hydrogen capacities varying between 9.0 wt % for Y(BH 4 ) 3 and 5.5 wt % for Yb(BH 4 ) 3 [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19].…”
Section: Introductionmentioning
confidence: 99%
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