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    Sustainable lignin‐based polyols as promising thermal energy storage materials

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    URI: http://hdl.handle.net/11556/1173
    ISSN: 0021-8995
    DOI: 10.1002/app.51356
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    Author/s
    Perez‐Arce, Jonatan; Serrano, Angel; Dauvergne, Jean‐Luc; Centeno‐Pedrazo, Ander; Prieto‐Fernandez, Soraya; [et al.]
    Date
    2021-07-07
    Keywords
    polyols (LBPs)
    Abstract
    Six lignin-based polyols (LBPs) have been prepared by cationic ring opening polymerization of an oxirane in the presence of an organosolv lignin in tetrahydrofuran (THF) as reaction media and co-monomer. The prepared LBPs have been characterized and tested for the first time as phase change materials (PCMs) for thermal energy storage (TES) at low temperature. It was found a strong influence of the LBPs composition on their performance to storage thermal energy. Thus, LBPs with higher THF wt% content and lower oxirane/THF mass ratio exhibit the highest latent heats. Furthermore, a clear inversely proportional trend between the oxirane/THF mass ratio and the melting temperatures of the prepared LBPs was noticed. Among the prepared LBPs, the highest obtained latent heat was 53.7 J/g demonstrating the potential application of lignin as feedstock for PCMs preparation. To the best of our knowledge, this is the first time that a biomass derived PCM based on lignin has been studied and considered ...
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    article

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