Thermokinetic characteristics of lithium chloride

Kamali, Ali Reza; Fray, Derek J.; Schwandt, Carsten

doi:10.1007/s10973-010-1045-9

Cited by 68 publications

(45 citation statements)

References 25 publications

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“…This could be a possible reason why the LiAlH 4 /LiBH 4 mixture is not reversible. In addition, as shown in Figure 6, the XRD patterns of the desorbed samples in the presence of a higher amount of the catalyst (3 or 5 mol % TiCl 3 ) exhibit new peaks, which are those of LiCl [17]. The formation of LiCl might deteriorate the hydrogen desorption ability of the samples, consequently decreasing the hydrogen desorption capacity.…”

Section: Resultsmentioning

confidence: 98%

A Revisit to the Hydrogen Desorption/Absorption Behaviors of LiAlH4/LiBH4: Effects of Catalysts

et al. 2012

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Abstract:The hydrogen desorption/absorption behaviors of LiAlH 4 /LiBH 4 with a focus on the effects of catalysts, namely TiCl 3 , TiO 2 , VCl 3 , and ZrCl 4 , were investigated using a thermal-volumetric apparatus. The hydrogen desorption was performed from room temperature to 300 °C with a heating rate of 2 °C min −1. The LiAlH 4 -LiBH 4 mixture with a molar ratio of 2:1 decomposed between 100 and 220 °C, and the hydrogen desorption capacity reached up to 6.6 wt %. Doping 1 mol % of a catalyst to the mixture resulted in the two-step decomposition and a decrease in the hydrogen desorption temperature. All the doped samples provided lower amountz of desorbed hydrogen than that obtained from the undoped one. No hydrogen absorption was observed under 8.5 MPa of hydrogen pressure and 300 °C for 6 h. Despite the fact each of the catalysts may affect the hydrogen storage behaviors of the mixture differently, none resulted in a change in the sample reversibility.

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Section: Resultsmentioning

confidence: 98%

A Revisit to the Hydrogen Desorption/Absorption Behaviors of LiAlH4/LiBH4: Effects of Catalysts

et al. 2012

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“…In the third stage the hmta is released in three substages (one endothermic sublimation of the hmta and two distinguishable exothermic combustions of the hmta). The first hmta combustion sub-process (IIIb) is accompanied by rapid decomposition of the perchlorate anion (the evolved oxygen probably speeds up the [76] ), and finally evaporates in a relativity slow process. The compound 2 is more thermally stable than the compound 1 (Scheme 2) but the initial decomposition stages are analogous.…”

Section: Resultsmentioning

confidence: 99%

On the Coordination Behaviour of the hmta Toward Alkali Metal Cations in Presence of Perchlorate Anions

et al. 2015

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The lithium and sodium perchlorate coordination compounds with hexamethylenetetramine of general formulas:and [Na(ClO 4 ) (H 2 O)(hmta)] n (2) have been synthesized, characterised by elemental and thermal analysis, IR spectroscopy and X-ray crystallography. The compound 2 is a rare three dimensional hybrid compound. The obtained compounds are air stable at room temperature and well soluble in water. As a result of the different electronic properties of the ions, the compounds differ considerably in the molecular structure and consequently in the properties. The studied compounds exhibit opposite placement of both hmta molecules and perchlorate ions: in an outer and inner coordination sphere, respectively, for 1 and 2. The thermal and spectroscopic properties were correlated with the studied compounds molecular structure. -and [Na(ClO 4 ) (H 2 O)(hmta)] n }, of which one is a rare three dimensional hybrid compound, have been synthesized and characterised by: elemental and thermal analysis, IR spectroscopy and X-ray crystallography. Graphical Abstract

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“…The Kissinger method is generally accepted for the analysis of thermally activated processes from thermoanalytical measurements, and satisfying results have been achieved in molten salts [25][26][27]. Changes of Gibbs free energies of selected reactions were calculated using HSC Chemistry 6.12 [28].…”

Section: Methodsmentioning

confidence: 99%

Thermokinetic characterisation of tin(II) chloride

Kamali

2014

J Therm Anal Calorim

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Thermokinetic behaviour of SnCl 2 was investigated using differential scanning calorimetry and thermogravimetry techniques under non-isothermal conditions in air, complemented by electron microscopy and Raman spectroscopy. According to the results obtained, the oxidation of SnCl 2 at the heating rates of 5 and 100°C min -1 leads to the in situ formation of highly crystalline SnO 2 nanostructures in the form of nanoparticles and nanorods, respectively. The oxidation of SnCl 2 was found to be a liquid-solid (LS) phase transition at the heating rates equal or lower than 10°C min -1 and a gas-solid phase transition at the heating rates equal or greater than 20°C min -1 . The activation energy of melting, vaporisation and LS oxidation of SnCl 2 was determined to be 198, 93 and 91 kJ mol -1 , respectively.

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Thermokinetic characteristics of lithium chloride

Cited by 68 publications

References 25 publications

A Revisit to the Hydrogen Desorption/Absorption Behaviors of LiAlH4/LiBH4: Effects of Catalysts

A Revisit to the Hydrogen Desorption/Absorption Behaviors of LiAlH4/LiBH4: Effects of Catalysts

On the Coordination Behaviour of the hmta Toward Alkali Metal Cations in Presence of Perchlorate Anions

Thermokinetic characterisation of tin(II) chloride

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