Applications and technological challenges for heat recovery, storage and utilisation with latent thermal energy storage

Zhi Li, Yiji Lu, Rui Huang, Jinwei Chang, Xiaonan Yu, Ruicheng Jiang, Xiaoli Yu and Anthony Paul Roskilly

Applied Energy, 2021, vol. 283, issue C, No S0306261920316676

Abstract: Thermal energy storage (TES) technology is considered to have the greatest potential to balance the demand and supply overcoming the intermittency and fluctuation nature of real-world heat sources, making a more flexible, highly efficient and reliable thermal energy system. This article provides a comprehensive state-of-the-art review of latent thermal energy storage (LTES) technology with a particular focus on medium-high temperature phase change materials for heat recovery, storage and utilisation. This review aims to identify potential methods to design and optimise LTES heat exchangers for heat recovery and storage, bridging the knowledge gap between the present studies and future technological developments. The key focuses of current work can be described as follows: (1) Insight into moderate-high temperature phase change materials and thermal conductivity enhancement methods. (2) Various configurations of latent thermal energy storage heat exchangers and relevant heat transfer enhancement techniques (3) Applications of latent thermal energy storage heat exchangers with different thermal sources, including solar energy, industrial waste heat and engine waste heat, are discussed in detail.

Keywords: Latent thermal energy storage; Phase change materials; Thermal conductivity enhancement; Heat transfer enhancement; Heat recovery (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (28)

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DOI: 10.1016/j.apenergy.2020.116277

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