Engineering and Technology

An ultraflexible energy harvesting-storage system for wearable applications

S. Saifi, X. Xiao, et al.

Discover the future of wearable technology with this state-of-the-art flexible energy harvesting and storage system (FEHSS), which boasts high-performance organic photovoltaics and zinc-ion batteries, achieving impressive power efficiencies and energy densities. This innovative design enables seamless integration with textiles and human skin, making it perfect for powering a range of gadgets. This remarkable research was conducted by Sakeena Saifi, Xiao Xiao, Simin Cheng, Haotian Guo, Jinsheng Zhang, Peter Müller-Buschbaum, Guangmin Zhou, Xiaomin Xu, and Hui-Ming Cheng.

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Abstract

This work reports a 90 µm-thick flexible energy harvesting and storage system (FEHSS) consisting of high-performance organic photovoltaics (OPVs) and zinc-ion batteries. The FEHSS achieves a power conversion efficiency exceeding 16%, power output over 10 mW cm², and energy density beyond 5.82 mWh cm², suitable for powering wearable sensors and gadgets. Its ultraflexible design allows seamless integration with human skin and textiles.

Publisher

Nature Communications

Published On

Aug 02, 2024

Authors

Sakeena Saifi, Xiao Xiao, Simin Cheng, Haotian Guo, Jinsheng Zhang, Peter Müller-Buschbaum, Guangmin Zhou, Xiaomin Xu, Hui-Ming Cheng

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