复合材料的热和机械性能评估 (CPCM) 用于储能
Naif Khalaf Alshammari1, Abdelwaheb Trigui2, Rym Hassani3
1Mechanical Engineering Department, Engineering college, University of Ha'il, Hail, 8148, Saudi Arabia.
Heliyon
|September 17, 2024
概括
这项研究开发了一种新型相变复合物 (CPCM),使用热挤压的六甲和低密度聚乙烯. 由此产生的材料为建筑热调节提供了增强的热能存储和形状稳定性.
科学领域:
- 材料科学 材料科学 材料科学
- 储能 储能 储能 储能 储能 储能
背景情况:
- 阶段变化材料 (PCM) 由于热传输和形状稳定性不佳而受到限制.
- 传统的结合剂可能会损害PCM的性能并增加成本.
研究的目的:
- 开发一种新型相变复合材料 (CPCM),其热性能和形状稳定性得到改善.
- 研究使用热挤出 (HME) 来将PCM集成到无结合剂的聚合物矩阵中.
主要方法:
- 使用毛细管力,将化六甲 (H) 浸入低密度聚乙烯 (P) 中.
- 复合材料的制造使用热挤出 (HME).
- 热性质 (潜热,热稳定性) 和机械性质 (斯模量,破裂时的延长) 的表征.
主要成果:
- 形成了具有增强潜热 (129.56 J/g) 和形状稳定的微尺度复合材料 (CPCM).
- 该HME方法允许高PCM含量 (60%) 降低成本,并防止了六甲泄漏.
- 增加的PCM含量降低了Young的模量和破裂时的应力,但在破裂时增加了延伸,表明有塑性效应.
结论:
- 开发的CPCM对于建筑物中的热调节是有效的,减少了能源消耗和室内温度波动.
- 新的HME方法提供了一种具有成本效益和高效的方法来生产稳定的PCM复合材料.
- 该材料显示了可持续建筑应用的巨大潜力.
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