一种采用分层芯鞘纤维结构设计的用于可穿戴个人热管理的 Trimode 调温柔性纤维膜,ACS Nano

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一种采用分层芯鞘纤维结构设计的用于可穿戴个人热管理的 Trimode 调温柔性纤维膜
ACS Nano ( IF 15.8 ) Pub Date : 2022-08-10 , DOI: 10.1021/acsnano.2c04971
Jiajia Wu _{1,

2} , Mingxu Wang _{1,

2} , Li Dong _{1,

2} , Jian Shi ₃ , Masatoshi Ohyama ₁ , Yasuhiro Kohsaka _{1,

4} , Chunhong Zhu _{1,

2,

5} , Hideaki Morikawa _{1,

2,

5}

Affiliation

专为个人热管理设计的高级纺织品有助于以个性化和节能的方式进行体温调节。含有相变材料 (PCM) 的纺织品能够通过吸收和释放潜热来弥合能源的供需。太阳能加热与焦耳加热功能相结合，提供多驱动资源，方便能量充电和存储，扩展服务时间和应用场景。在此，我们报告了一种基于纤维膜的纺织品，该纺织品是通过设计用于三模热管理的分层芯-鞘纤维结构而开发的。特别是，同轴静电纺丝允许有效封装 PCM，具有高热焓密度（106.9 J/g），使膜能够缓冲服装微气候中的剧烈温度变化。良好的光热转换性能使膜具有 70.5 °C（1 太阳）的高饱和温度，这得益于多个光收集器的协同效应。此外，导电涂层赋予复合膜出色的电热转换性能，达到 73.8 °C (4.2 V) 的饱和温度。具有可逆相变、多源驱动加热和储能综合性能的柔性纤维膜为全天候、节能和可穿戴的个人热管理应用提供了巨大的优势。导电涂层赋予复合膜出色的电热转换性能，饱和温度达到 73.8 °C (4.2 V)。具有可逆相变、多源驱动加热和储能综合性能的柔性纤维膜为全天候、节能和可穿戴的个人热管理应用提供了巨大的优势。导电涂层赋予复合膜出色的电热转换性能，饱和温度达到 73.8 °C (4.2 V)。具有可逆相变、多源驱动加热和储能综合性能的柔性纤维膜为全天候、节能和可穿戴的个人热管理应用提供了巨大的优势。

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A Trimode Thermoregulatory Flexible Fibrous Membrane Designed with Hierarchical Core–Sheath Fiber Structure for Wearable Personal Thermal Management

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 °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 °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.

更新日期：2022-08-10

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