Durability of Lithium Chloride-Modified Magnesium Hydroxide on Cyclic Operation for Chemical Heat Pump

Ishitobi, Hiroyuki; Uruma, Keirei; Ryu, Junichi; Kato, Yukitaka

doi:10.1252/jcej.11we184

Cited by 8 publications

(2 citation statements)

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“…Durability of LiCl/Mg(OH) 2 under 105 dehydration and hydration runs was reported. 20 The heat output density of the material decreased by 21.1% during 105 repetitive reactions. However, there is not enough information on the effects of the LiCl mixing ratio, hydration temperature, and water vapor pressure on the hydration behavior of LiCl/ MgO.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of Heat Output Densities of Lithium Chloride-Modified Magnesium Hydroxide for Thermochemical Energy Storage

Ishitobi

Hirao²,

Ryu³

et al. 2013

Ind. Eng. Chem. Res.

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101

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Lithium chloride-modified magnesium hydroxide is a candidate material for thermochemical energy storage. In this work, the effects of lithium chloride mixing ratio, hydration temperature, and water vapor pressure on the hydration behavior of the material are investigated. Heat output densities for all experimental conditions are evaluated. The heat output density per unit weight of lithium chloride-modified magnesium hydroxide, at a molar mixing ratio of 0.10 mol of lithium chloride per mol of magnesium hydroxide, is 1.40 × 103 kJ kg–1 at a hydration temperature of 110 °C and a water vapor pressure of 57.8 kPa. This value is higher than the heat output density of authentic magnesium hydroxide.

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Section: Introductionmentioning

confidence: 99%

“…LiCl/Mg(OH) 2 , at a molar mixing ratio of 0.10 mol of lithium chloride per mol of magnesium hydroxide, showed the fastest dehydration rate. Durability of LiCl/Mg(OH) 2 under 105 dehydration and hydration runs was reported . The heat output density of the material decreased by 21.1% during 105 repetitive reactions.…”

Section: Introductionmentioning

confidence: 99%