Activated bamboo biochar-infused soy wax PCM: A green composite with enhanced thermal conductivity for thermal energy storage applications

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-06-26 DOI:10.1016/j.matlet.2025.138991

Elumalai Vengadesan , K. Gnanasekaran , S Muralidharan

引用次数: 0

Abstract

This study investigates the performance of a novel green composite phase change material (PCM). Unlike previous studies, this study uniquely examines the effect of activated bamboo biochar (ABB) on the performance of soy wax-based PCM to support sustainable development goals, affordable and clean energy (SDG 7), and climate action (SDG 13). ABB enhanced form stability because of its porous nature and large surface area. Despite reduced enthalpies, the composite PCM showed a higher melting point and achieved a thermal conductivity of 0.8936 W/m.K – a 73.2 % improvement over pure wax. It provided an extended heat release for ∼10 min. Thermal-cycling analysis confirmed its thermal reliability and chemical stability, demonstrating its strong potential for real-time thermal energy storage applications.

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活化竹生物炭注入大豆蜡PCM：一种绿色复合材料，具有增强的导热性，用于热能储存应用

本文研究了一种新型绿色复合相变材料（PCM）的性能。与以往的研究不同，本研究独特地考察了活化竹生物炭（ABB）对大豆蜡基PCM性能的影响，以支持可持续发展目标、负担得起的清洁能源（可持续发展目标7）和气候行动（可持续发展目标13）。由于其多孔性和大表面积，ABB增强了形式稳定性。尽管焓降低，但复合PCM的熔点较高，导热系数为0.8936 W/m。K -比纯蜡提高73.2%。热循环分析证实了它的热可靠性和化学稳定性，证明了它在实时热能储存应用方面的强大潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive