Pyrazolium Phase Change Materials for Solar-Thermal Energy Storage.

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ID: 64000
2019
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Abstract
Thermal energy storage technology utilizing phase change materials (PCMs) can be a promising solution for the intermittency of renewable energy sources. This work describes a novel family of PCMs based on the pyrazolium cation, that operate in the 100-200°C temperature range, offering safe, inexpensive capacity and low supercooling. Thermal stability and extensive cycling tests of the most promising PCM candidate, pyrazolium mesylate (T m =168 ±2°C, ΔH f =160 ±5%, ΔH total v =495 ±5% MJ m -3 ) show potential for its use in thermal storage applications. Additionally, this work discusses the molecular origins of the high thermal energy storage capacity of these ionic materials based on their crystal structures, revealing the importance of hydrogen bonds in PCM performance.
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matuszek2019pyrazoliumchemsuschem Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Matuszek, Karolina;Vijayaraghavan, R;Forsyth, Craig M;Mahadevan, Surianarayanan;Kar, Mega;MacFarlane, Douglas Robert;
Journal ChemSusChem
Year 2019
DOI
10.1002/cssc.201902601
URL
Keywords
thermal energy storage phase change materials ionic liquids pyrazole renewable energy sources

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