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<p>Decarbonizing thermal energy storage (TES) systems requires renewable and high-performance materials. Due to their high latent heat storage, Phase Change Materials (PCMs) have been widely used in building, solar systems, and electronic cooling. However, their origin nature raises environmental concerns, driving interest in bio-based PCM composites. Despite their promise, large-scale adoption remains limited, owing to the field’s nascent stage and insufficient long-term performance assessments. This study offers a comprehensive bibliometric analysis to map trends, key contributors, and sustainability impacts in bio-based PCM composites for TES from 2000 to 2024, using merged Scopus and Web of Science data. After screening the obtained database, publication activities, key contributors, influential journals, global collaboration networks, and emerging themes are examined. The alignment of current research with Sustainable Development Goals (SDGs) is also assessed. This study reveals a rapid growth in PCM biocomposites publications after 2021. China is the most productive and collaborative country, with Nanchang University from China as the top institution. Journals of “Energy Storage” and “Solar Energy Materials and Solar Cells” are the most active journals in this field, while Kim S. stands out as the most prolific and cited author, with 12 publications and 751 total citations. Research on PCMs and TES systems has expanded significantly since 2017, with increasing emphasis on “bio-based” and “biocomposite” keywords, reflecting the global focus on renewable energy and sustainability. Notably, 48.1% of publications align with SDG 7 (Affordable and Clean Energy), supporting sustainable energy goals and guiding future research on sustainable latent TES.</p>

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Trends and sustainability insights in Bio-based PCM composites for thermal energy storage: a bibliometric analysis

  • 期刊论文

  • 发表日期：

    2025年8月31日

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  • Najoua Mekaddem,
  • Hanen Nouri,
  • Samia Ben-Ali

摘要

Decarbonizing thermal energy storage (TES) systems requires renewable and high-performance materials. Due to their high latent heat storage, Phase Change Materials (PCMs) have been widely used in building, solar systems, and electronic cooling. However, their origin nature raises environmental concerns, driving interest in bio-based PCM composites. Despite their promise, large-scale adoption remains limited, owing to the field’s nascent stage and insufficient long-term performance assessments. This study offers a comprehensive bibliometric analysis to map trends, key contributors, and sustainability impacts in bio-based PCM composites for TES from 2000 to 2024, using merged Scopus and Web of Science data. After screening the obtained database, publication activities, key contributors, influential journals, global collaboration networks, and emerging themes are examined. The alignment of current research with Sustainable Development Goals (SDGs) is also assessed. This study reveals a rapid growth in PCM biocomposites publications after 2021. China is the most productive and collaborative country, with Nanchang University from China as the top institution. Journals of “Energy Storage” and “Solar Energy Materials and Solar Cells” are the most active journals in this field, while Kim S. stands out as the most prolific and cited author, with 12 publications and 751 total citations. Research on PCMs and TES systems has expanded significantly since 2017, with increasing emphasis on “bio-based” and “biocomposite” keywords, reflecting the global focus on renewable energy and sustainability. Notably, 48.1% of publications align with SDG 7 (Affordable and Clean Energy), supporting sustainable energy goals and guiding future research on sustainable latent TES.