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双带电色智能窗口用于辐射冷却和太阳能加热之间的动态切换.

Xinyu Zhao1, Qixiang Chen1, Fan Fan1

  • 1School of Energy and Environment, Southeast University, Nanjing, Jiangsu, 210096, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
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概括

本研究介绍了智能窗户的动态电色 (EC) 玻璃,将能源效率扩展到太阳光谱之外. 这种新的设计为可持续的建筑物实现了显著的供暖,通风和空调 (HVAC) 节能.

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双频监管规则 双频监管规则 双频监管规则电染色的 电染色的辐射冷却是一种辐射冷却.银,银,银,银,银,银,银,银,银,银,银,银,银,银,银,银太阳能供暖采暖方式

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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
  • 建筑技术 建筑技术 建筑技术

背景情况:

  • 电色 (EC) 智能窗户通过调节透明度来提供能源效率.
  • 目前的EC窗户仅限于太阳光谱,限制了它们的节能潜力.
  • 将EC功能扩展到中红外光谱可以增强热管理.

研究的目的:

  • 设计一个动态的电色玻璃,在太阳光和中红外光谱中进行双向调制.
  • 为了使智能窗户能够在辐射冷却和太阳能加热模式之间切换.
  • 评估建筑应用中显著节能的潜力.

主要方法:

  • 整合银电解放/溶解与机械玻璃面板翻转.
  • 动态调制太阳光谱 (0.3-2.5微米) 和中红外光谱 (2.5-20微米).
  • 用特定气候的操作模式模拟建筑应用程序.

主要成果:

  • 实现了从87.9%到19.9%的太阳反射变化.
  • 从90.6%到10.8%实现了中红外辐射率的变化.
  • 已证明每年节省50%以上的HVAC能源的潜力.

结论:

  • 开发的EC玻璃提供了对太阳能增益和热排放的动态控制.
  • 这项技术显著提高了建筑物的能源效率,支持碳中和.
  • 双频谱调制能力代表了可持续建筑设计的突破.