可打印和灵活的加热器,具有高的电热转换效率,通过控制力和温度场来控制
Zhou Bai1, Zhijian Li1, Shiyu Du1
1Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, College of Bioresource Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, P. R. China.
ACS applied materials & interfaces
|October 6, 2025
概括
研究人员开发了一种高效的灵活电热加热器,使用纸上石墨烯纳米板,碳黑和银纳米线. 处理控制增强了智能可穿戴设备和信息安全应用的性能.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 电气工程 电气工程
背景情况:
- 灵活的电热加热器对于热管理和智能可穿戴设备至关重要.
- 在这些加热器中实现高电热转换效率 (η) 是一个重大挑战.
研究的目的:
- 为了制造一台基于纸张的灵活电热加热器,提高效率.
- 调查处理参数对加热器性能的影响.
主要方法:
- 在纸上印刷水性导电墨水 (石墨烯纳米板,碳黑,Ag纳米线).
- 在制造和加工过程中控制剪切力,垂直力和温度场.
主要成果:
- 优化处理改善了石墨烯纳米板的对齐和层间接触.
- 热压缩促进了银纳米线结合的融合,增强了电子传输.
- 在6V的最大温度达到242.5°C,加热速度快 (55.7°C·s−1).
- 达到了359°C·cm2·W-1.9的高效率.
- 使用集成的热色墨水证明了火灾预警和信息加密/解密能力.
结论:
- 开发的柔性加热器具有高的电热转换效率.
- 处理控制是优化加热器性能的关键.
- 该加热器显示出智能可穿戴设备,信息安全和紧急救援应用的潜力.
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