基于卡纳乌巴和蒙莫里隆尼特纳米粘土的可持续复合材料用于储能
Serhii Brychka1,2,3, Alla Brychka1,2,4, Niklas Hedin2
1Department of Chemistry, Johannes Gutenberg University, Duesbergweg 10-14, 55128 Mainz, Germany.
Materials (Basel, Switzerland)
|May 11, 2024
概括
可持续的卡纳乌巴复合材料与蒙特莫里隆尼特纳米粘土提供了增强的热能储存. 这些材料表现出更好的导热性和稳定性,减少热循环时间,以实现高效的能源应用.
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
- 纳米技术纳米技术
背景情况:
- 可持续的复合材料对于储能应用至关重要.
- 卡纳乌巴是一种相变材料,能够储存潜热.
- 开发稳形复合材料对于高效的热能循环至关重要.
研究的目的:
- 为了创建稳定的卡纳乌巴-蒙莫里隆尼特纳米粘土复合材料.
- 研究这些复合材料的热性能和稳定性.
- 评估它们在增强潜在热能储存方面的潜力.
主要方法:
- 在不同的质量比率 (50-70%) 中制备卡纳乌巴-蒙莫里隆石复合材料.
- 使用传输电子显微镜 (TEM),红外 (IR) 光谱和固态核磁共振 (NMR) 光谱进行表征.
- 使用粉末X射线衍射 (PXRD) 和温度依赖的13C固态NMR分析热特性,包括潜热和热导率.
主要成果:
- 卡纳乌巴和蒙特莫里隆尼特纳米粘土的稳定复合物已经成功形成.
- 纳米粘土的添加增强了导热性,并防止了相变材料的泄漏.
- 随着纳米粘土含量增加,隐性热储容量增加,达到107.9 J/g.
- 观察到分子动力学变化和卡纳乌巴变形的增加,影响了热传输.
结论:
- 卡纳乌巴-蒙莫里隆石复合材料提供了更好的热能储能能力.
- 增强的热性能和稳定性使它们成为可持续能源应用的前景.
- 该研究强调了纳米粘土在修改形态化和热传输机制方面的作用.
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