在核心外协调结构中的超冷液体,用于实际的长期储能
Xusheng Zhang1,2, Zheng Du1,2, Dong He1
1Department of Materials Science and Engineering, Institute of Innovative Materials (I2, M), Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation (FSSEG), Southern University of Science and Technology (SUSTech), No. 1088, Xueyuan Rd., Shenzhen, Guangdong, 518055, China.
Advanced materials (Deerfield Beach, Fla.)
|January 23, 2025
概括
研究人员开发了一种用于储能的新型核心外材料,实现稳定的相位过渡. 这种材料结合了协调和键,为实际的,长期的能源解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 化学 化学 化学
背景情况:
- 换相材料对于储能至关重要,但实现相稳定性和可控制的相变仍然是一个挑战.
- 现有的材料往往难以平衡长期稳定性和可逆相位过渡特性.
研究的目的:
- 开发一种新的相变材料,同时具有热相稳定性和可控制,可逆相变.
- 解决对实际长期储能应用的矛盾需求.
主要方法:
- 设计了一个核心外结构,结合了核心中的协调键和外中的键.
- 该材料由一个甲基尿素 (MM) 复合核心和一个等级结合的红醇外组成.
- 体交换反应被用来触发可逆的相位过渡.
主要成果:
- 开发的材料表现出优异的热相稳定性,这是由于MM玻璃芯的高粘度 (10^8Pa·s).
- 实现了有效和可逆的相位过渡,在几十秒内由低剪压 (10Pa) 触发.
- 该机制涉及与MM核心协调的红醇和化物离子之间的巧妙的连接体交换.
结论:
- 核心外结构中的协调和键的等级组合成功地协调了相稳定性和可控制的相变.
- 这种新材料由于其稳定性和触发可逆性,对实际的长期储能应用具有显著的潜力.
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