期刊
ACS NANO
卷 16, 期 8, 页码 12801-12812出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.2c04971
关键词
personal thermal management; phase change materials; photothermal conversion; electrothermal conversion; coaxial electrospinning
类别
资金
- JSPS KAKENHI [JP20H00288, JP22K02136]
- JST SPRING [JPMJSP2144]
This article introduces a fibrous membrane-based textile that achieves trimode thermal management through a specially designed structure. The textile has high heat enthalpy density and excellent photothermal conversion performance, making it suitable for all-day, energy-saving, and wearable individual thermal management applications.
Advanced textiles designed for personal thermal management contribute to thermoregulation in an individual and energy-saving manner. Textiles incorporated with phase changing materials (PCMs) are capable of bridging the supply and demand for energy by absorbing and releasing latent heat. The integration of solar heating and the Joule heating function supplies multidriving resources, facilitates energy charging and storage, and expands the service time and application scenarios. Herein, we report a fibrous membrane-based textile that was developed by designing the hierarchical core-sheath fiber structure for trimode thermal management. Especially, coaxial electrospinning allows an effective encapsulation of PCMs, with high heat enthalpy density (106.9 J/g), enabling the membrane to buffer drastic temperature changes in the clothing microclimate. The favorable photothermal conversion performance renders the membrane with the high saturated temperature of 70.5 degrees C (1 sun), benefiting from the synergistic effect of multiple light harvesters. Moreover, a conductive coating endows the composite membrane with an admirable electrothermal conversion performance, reaching a saturated temperature of 73.8 degrees C (4.2 V). The flexible fibrous membranes with the integrated performance of reversible phase change, multi-source-driven heating, and energy storage present great advantages for all-day, energy-saving, and wearable individual thermal management applications.
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