Abstract With the increasing frequency, intensity, and duration of extreme heat events due to climate change, heat‐related diseases or even mortality have become more prevalent. An efficient personal cooling strategy can mitigate heat stress by regulating the skin temperature within the thermal comfort zone. However, lightweight, wearable, and sustainable cooling garments are unavailable today. Here, the study develops a thermoelectric device (TED)‐based cooling garment and demonstrates its effectiveness in active personal cooling. The garment is shown to maintain the skin temperature within its thermal comfort zone in a hot environment of up to 40 °C under mild forced convection conditions (air flow speed of 2.2 m s −1 ). Furthermore, the study demonstrates a portable cooling system with less than 700 grams of total weight, which includes the TED‐based garment, a battery pack, and a temperature controller. The system showed long‐term cooling on the skin with varying ambient temperatures from 35 to 40 °C. With the advantages of lightweight, flexible, controllable, and long‐term effective cooling, the TED cooling garments described in this work can contribute to enhanced health and comfort in an increasingly hotter climate.

Tianshi Feng

Jiedong Wang

Ethan Sun

Antonio Di Buono

Renkun Chen

Advanced Materials Technologies

先进材料技术先进材料技术是所有与技术相关的材料应用研究的新家，特别关注先进的设备设计、制造和集成，以及基于新型材料的新技术。它弥合了基础实验室研究与工业之间的差距。

Advanced Materials Technologies is an emerging journal focused on research related to the application of materials in technology, with a particular emphasis on the design, manufacturing, and integration of advanced equipment, as well as new technologies based on novel materials. The journal aims to bridge the gap between fundamental laboratory research and industrial applications.

《Advanced Materials Technologies》是一个专注于与技术相关的材料应用研究的新兴期刊，特别关注先进设备的设计、制造和集成，以及基于新型材料的新技术。该期刊旨在弥合基础实验室研究与工业应用之间的差距。

Category	Quartile
材料科学	3
材料科学, 材料科学综合	3

Flexible Thermoelectric Active Cooling Garment to Combat Extreme Heat

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Journal Info

Category	Quartile
MATERIALS SCIENCE, MULTIDISCIPLINARY	1