Characterizations and Energy Analysis of Hydroxyl Group Functionalized Graphene (Nanomaterial) Mixed with Paraffin Wax (Polymer Pcm) as Thermal Energy Storage Materials And Applications

IF 0.7 4区工程技术 Q4 ENGINEERING, MARINE

International Journal of Maritime Engineering Pub Date : 2024-07-27 DOI:10.5750/ijme.v1i1.1376

Sumit Nagar, S Sreenivasa, Gaurav Kumar, Gopal Krishan Gard

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引用次数: 0

Abstract

This work comprised of Paraffin wax as phase change material mixed/doped with functionalized graphene (hydroxyl group) for countering the poor thermal conductivity of the pristine phase change material. Firstly, Experiments were conducted on Thermal energy storage system during charging (melting) of the doped PCM. The main outcomes of these experiments were that as the volume concentrations of doped PCM and flow rate of the heat transfer fluid (HTF) were increased the charging time decreases along with increments in PCM temperature and accumulated energies. In case of OH functionalized graphene mixed with paraffin wax the charging time decreases by 38.4% to 84.61% for the HTF flow rate 25 ml/s over pure paraffin wax. Secondly, the advanced functional materials i.e., Paraffin wax mixed with functionalized hydroxyl group graphene was characterized by FTIR, XRD, TGA, DSC and FESEM, . The latent heat of melting obtained was 179.36 J/g for 1% graphene doping by DSC.

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羟基官能化石墨烯（纳米材料）与石蜡（聚合物 Pcm）混合作为热能存储材料的特性和能量分析及其应用

这项研究将石蜡作为相变材料，与功能化石墨烯（羟基）混合/掺杂，以解决原始相变材料导热性差的问题。首先，在掺杂 PCM 的充电（熔化）过程中对热能存储系统进行了实验。这些实验的主要结果是，随着掺杂 PCM 体积浓度和导热液体（HTF）流速的增加，充电时间随着 PCM 温度和累积能量的增加而缩短。对于与石蜡混合的 OH 功能化石墨烯，在导热流体流速为 25 毫升/秒时，充电时间比纯石蜡缩短了 38.4% 至 84.61%。其次，通过傅立叶变换红外光谱（FTIR）、XRD、热重分析（TGA）、电荷分析（DSC）和外表面可见光（FESEM）对先进功能材料（即混合了羟基功能化石墨烯的石蜡）进行了表征。通过 DSC 测定，石墨烯掺杂 1% 时的熔化潜热为 179.36 J/g。

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来源期刊

International Journal of Maritime Engineering ENGINEERING, MARINE-

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The International Journal of Maritime Engineering (IJME) provides a forum for the reporting and discussion on technical and scientific issues associated with the design and construction of commercial marine vessels . Contributions in the form of papers and notes, together with discussion on published papers are welcomed.