Journal
SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
Volume 22, Issue 1, Pages 772-793Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14686996.2021.1962203
Keywords
E-textile; wearable technology; energy supply; printed battery; electrical thread; areal capacity
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Funding
- European Union's Horizon 2020 research and innovation programme [854194]
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Wearable power supply devices are essential for emerging textile electronic applications. Traditional energy supply devices are often bulky and based on rigid materials, while fabric-based batteries offer a flexible and lightweight solution. Printing technologies have great potential in manufacturing low-cost, high-capacity batteries that are crucial for electronic textile applications.
Wearable power supply devices and systems are important necessities for the emerging textile electronic applications. Current energy supply devices usually need more space than the device they power, and are often based on rigid and bulky materials, making them difficult to wear. Fabric-based batteries without any rigid electrical components are therefore ideal candidates to solve the problem of powering these devices. Printing technologies have greater potential in manufacturing lightweight and low-cost batteries with high areal capacity and generating high voltages which are crucial for electronic textile (e-textile) applications. In this review, we present various printing techniques, and battery chemistries applied for smart fabrics, and give a comparison between them in terms of their potential to power the next generation of electronic textiles. Series combinations of many of these printed and distributed battery cells, using electrically conducting threads, have demonstrated their ability to power different electronic devices with a specific voltage and current requirements. Therefore, the present review summarizes the chemistries and material components of several flexible and textile-based batteries, and provides an outlook for the future development of fabric-based printed batteries for wearable and electronic textile applications with enhanced level of DC voltage and current for long periods of time.
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