Magnesium Sulfate/Polymer Composites for Seasonal, Thermochemical Energy Storage

Kallenberger, Paul A.; Posern, Konrad; Fröba, Michael

doi:10.1002/cite.201500095

Cited by 13 publications

(1 citation statement)

References 17 publications

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“…The ceramic encapsulation not only increased the mechanical stability of the capsules but also the heterogeneities in the ceramic shell. A MgSO 4 /polymer composite was synthesized by Kallenberger et al (2016), which claimed some problems during the dehydration process with the monohydrate form. van Ravensteijn et al ( 2021) performed a systematic evaluation of various commercially available polymers as stabilizing shell materials.…”

Section: Encapsulationmentioning

confidence: 99%

Water sorption-based thermochemical storage materials: A review from material candidates to manufacturing routes

Palacios¹,

Navarro²,

Barreneche³

et al. 2022

Front. Therm. Eng.

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A comprehensive and updated review is provided in this article, with a focus on water sorption-based thermochemical storage (WSTCS) materials, covering materials and their manufacturing routes. The state of the art of 22 most relevant salt hydrates is classified into seven groups (bromides, sulphates, carbonates, chlorides, nitrates, hydroxides, and sulphides) and studied as candidates. This is followed by a discussion on TCS material manufacturing, covering both conventional (shaping, pelletizing, etc.) and more advanced routes (e.g., extrusion, 3D printing, encapsulation, etc.). Finally, concluding remarks are presented, including limitations and future potentials for TCS research.

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Section: Encapsulationmentioning

confidence: 99%

Water sorption-based thermochemical storage materials: A review from material candidates to manufacturing routes

Palacios¹,

Navarro²,

Barreneche³

et al. 2022

Front. Therm. Eng.

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Alginate‐Derived Salt/Polymer Composites for Thermochemical Heat Storage

Kallenberger

Posern

Linnow

et al. 2018

Advanced Sustainable Systems

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Thermochemical heat storage composites based on inorganic salt hydrates embedded in a hydrogel‐derived polymeric matrix are presented. The synthesis offers the flexibility to obtain composites with different incorporated salts such as MgSO4, MgCl2, CaCl2, and SrCl2. The incorporated salts can release and store heat through reversible hydration and dehydration while the use of an alginate‐based matrix allows macroscopic structuring of the composite as beads that provide little pressure loss in packed beds. The synthesis is simple, can be scaled up and carried out in continuous flow. Charging temperatures below 150 °C, high volumetric storage densities of up to 1.50 kJ cm−3 (417 kWh m−3) combined with a macroscopic shape that allows easy vapor diffusion through packed beds present a major advance for heat storage materials based on salt hydrates.

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