期刊
ADVANCED MATERIALS
卷 33, 期 42, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202102990
关键词
processing strategies; self-powered electronic systems; thermoelectric materials; wearable devices
类别
资金
- National Natural Science Foundation of China [51521002, 21334002]
- Open Fund of the State Key Laboratory of Luminescent Materials and Devices (South China University of Technology) [2019-skllmd-01]
- Knut and Alice Wallenberg Foundation (Wallenberg Wood Science Center)
- Swedish Research Council [2016-06146]
- Advanced Functional Materials Center at Linkoping University [2009-00971]
The emergence of artificial intelligence and the Internet of Things has led to a growing demand for wearable and maintenance-free power sources. Development of devices powered by body heat is now feasible, and thermoelectric materials have emerged as promising candidates for effective conversion of body heat into electricity. Wearable thermoelectric generators have become more flexible and stretchable, and various functional materials, processing techniques, and device design strategies are discussed in this review. Challenges in organic TE materials, interfacial engineering, and assessments of device performance are also addressed, with suggestions provided for future developments in the area of wearable TE materials and devices.
The emergence of artificial intelligence and the Internet of Things has led to a growing demand for wearable and maintenance-free power sources. The continual push toward lower operating voltages and power consumption in modern integrated circuits has made the development of devices powered by body heat finally feasible. In this context, thermoelectric (TE) materials have emerged as promising candidates for the effective conversion of body heat into electricity to power wearable devices without being limited by environmental conditions. Driven by rapid advances in processing technology and the performance of TE materials over the past two decades, wearable thermoelectric generators (WTEGs) have gradually become more flexible and stretchable so that they can be used on complex and dynamic surfaces. In this review, the functional materials, processing techniques, and strategies for the device design of different types of WTEGs are comprehensively covered. Wearable self-powered systems based on WTEGs are summarized, including multi-function TE modules, hybrid energy harvesting, and all-in-one energy devices. Challenges in organic TE materials, interfacial engineering, and assessments of device performance are discussed, and suggestions for future developments in the area are provided. This review will promote the rapid implementation of wearable TE materials and devices in self-powered electronic systems.
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