一个LCA辅助的辐射冷却涂层的层次设计,用于整个生命周期的CO2减少
Ningning Cao1,2,3,4,5, Haowen Chi1,2,3,4,5, Yuxin Chen6,7,8
1National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, China.
Nature communications
|February 16, 2026
概括
这项研究引入了一种碳负辐射冷却涂层,可以在整个生命周期内显著减少二氧化碳排放. 与现有的冷却技术相比,原材料采购方面的创新和增强的服务性能实现了大幅度的碳减排.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 在整个产品生命周期中减少二氧化碳 (CO2) 排放对于实现碳中和至关重要.
- 被动日间辐射冷却 (PDRC) 涂层主要在服务阶段减少二氧化碳.
- 优化整个生命周期的二氧化碳减排需要在原材料提取和服务周期方面取得进展.
研究的目的:
- 开发一种具有碳负生命周期的新型PDRC涂层.
- 量化开发的涂层在整个生命周期中的二氧化碳减排潜力.
- 将二氧化碳减排策略纳入材料设计中,以实现可持续的冷却解决方案.
主要方法:
- 生命周期评估 (LCA) 用于评估二氧化碳排放.
- 开发使用二氧化碳矿物封存用于填充剂生产的PDRC涂层.
- 材料设计包含二甲基硫酸盐诱导的磁石填充剂和聚乙烯化物树脂.
主要成果:
- 开发的PDRC涂层在其使用寿命中实现了每0.57113.709的二氧化碳相当的减少,超过了商业反射冷却基线.
- 通过二硫酸盐诱导的磁石填充剂进行二氧化碳矿物封存,可显著减少原材料提取过程中的排放.
- 涂层表现出高光学性能和服务稳定性,有助于服务阶段的二氧化碳减少.
结论:
- 开发的负碳PDRC涂层通过创新的材料设计和二氧化碳减排技术,可以在生命周期内大幅减少二氧化碳.
- 这项研究为碳负辐射冷却材料提供了一个可扩展的平台,并激发了可持续技术的进步.
- 该研究强调了考虑整个产品生命周期的重要性,以有效减少冷却应用中的二氧化碳排放.
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