通过生物工程木材进行可扩展的光响应超性复合相变材料制造,用于太阳能热能管理
Yang Meng1, Jiangyu Zhang1, Yuchan Li1
1Yunnan Provincial Key Laboratory of Energy Saving in Phosphorus Chemical Engineering and New Phosphorus Materials, Yunnan International Joint Laboratory of Sustainable Polymers, The Higher Educational Key Laboratory for Phosphorus Chemical Engineering of Yunnan Province, Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650500, China.
Molecules (Basel, Switzerland)
|January 11, 2025
概括
由木制成的新型复合相变材料 (CPCM) 提供可持续的能源储存. 这种超疏水材料可以防止泄漏,增强热导率,并转换太阳能,改进热管理系统.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续能源 可持续能源
- 纳米技术 纳米技术
背景情况:
- 变相材料 (PCM) 对于热能管理至关重要,但存在漏电,低导热率和有限的太阳能转换.
- 传统的PCM需要提高稳定性和功能,以便在可持续能源解决方案中得到广泛采用.
研究的目的:
- 开发一种具有增强稳定性,热导率和太阳能转换能力的多功能复合相变材料 (CPCM).
- 解决传统PCM的局限性,创造一种耐用且高效的热能存储材料.
主要方法:
- 通过使用生物式甲基醇表面化学,然后进行选择性脱,设计了由草衍生的支架.
- 在室温下用聚多巴胺 (PDA) 修改了脚手架,以沉积银纳米颗粒 (Ag NPs) 和移植八甲基链,创建了一个超水的等级结构.
- 封装酸 (SA) 作为修改后的脚手架中的PCM.
主要成果:
- 由此产生的CPCM表现出超性,防止泄漏并确保长期稳定性.
- 实现了高潜热 (175.5 J g-1) 和储能效率 (87.7%) 增强的导热率 (增长2.1倍).
- 通过PDA和AgNP证明了有效的太阳能转换为热能,以及100个循环的耐水性,自清洁性和可靠性.
结论:
- 基于巴尔萨的CPCM在相变材料技术中取得了突破,将卓越的环境适应性与高效的热能存储相结合.
- 开发的材料显示出在先进的太阳能热能系统中应用的重大前景.
- 这种多功能材料克服了传统PCM的关键局限性,为更强大,更有效的可持续能源解决方案铺平了道路.
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