改善了LiNaSO4复合材料的热物理和机械性能,用于储存热能
Maria Taeño1, Ariba Adnan1, Cristina Luengo1
1Center for Cooperative Research on Alternative Energies (CIC Energigune), Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain.
Nanomaterials (Basel, Switzerland)
|January 11, 2024
概括
研究人员使用LiNaSO4复合材料开发了固体-固体相变材料 (PCM). 这些增强材料显示出更好的机械强度和热导率,用于高温热能存储.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 储能 储能 储能 储能 储能 储能
背景情况:
- 固体-固体相变材料 (PCM) 为热储提供高能量密度.
- 提高机械和热物理性能对于PCM应用至关重要.
- 高温热能储存需要坚固高效的材料.
研究的目的:
- 提高LiNaSO4.4的热物理和机械性能.
- 开发基于LiNaSO4的复合材料,用于高温热能存储 (400-550°C).
- 评估MgO和扩张石墨 (EG) 对LiNaSO4特性的影响.
主要方法:
- 用多孔MGO和扩展石墨 (EG) 制备基于LiNaSO4的复合材料.
- 机械性质的表征,专注于模量.
- 热物理性质的评估,包括相变温度,度,导热率和特定热容量.
主要成果:
- 与MgO和EG的LiNaSO4复合物显著改善了机械稳定性 (Young的模量增加了近三倍).
- 添加5%重量的MGO或5%的EG对相变温度和度的影响最小.
- 热导率和特定热容量等关键热性能得到了增强.
结论:
- 有MgO和EG的基于LiNaSO4的复合材料对高温热能存储具有前景.
- 增强的机械强度和改善的热性能扩大了这些PCM的适用性.
- 这些复合材料代表了高效和持久的热能储能系统的可行替代方案.
关键词:
EG600 EG600 是一个很好的方法.在MgO MgO中.机械性能 机械性能 机械性能固体-固体PCM的使用方法导热率 导热率 导热率 导热率 导热率 导热率热能储存是热能储存的方法之一.更多相关视频
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