Nano-Micro Letters, Volume. 16, Issue 1, 123(2024)

Ultraconformable Integrated Wireless Charging Micro-Supercapacitor Skin

Chang Gao1、*, Qing You1, Jiancheng Huang2, Jingye Sun1, Xuan Yao1, Mingqiang Zhu1, Yang Zhao3, and Tao Deng1、**
Author Affiliations
  • 1School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, People’s Republic of China
  • 2School of Microelectronics, Tianjin University, Tianjin 300072, People’s Republic of China
  • 3Key Laboratory of Cluster Science Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
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    Conformable and wireless charging energy storage devices play important roles in enabling the fast development of wearable, non-contact soft electronics. However, current wireless charging power sources are still restricted by limited flexural angles and fragile connection of components, resulting in the failure expression of performance and constraining their further applications in health monitoring wearables and moveable artificial limbs. Herein, we present an ultracompatible skin-like integrated wireless charging micro-supercapacitor, which building blocks (including electrolyte, electrode and substrate) are all evaporated by liquid precursor. Owing to the infiltration and permeation of the liquid, each part of the integrated device attached firmly with each other, forming a compact and all-in-one configuration. In addition, benefitting from the controllable volume of electrode solution precursor, the electrode thickness is easily regulated varying from 11.7 to 112.5 μm. This prepared thin IWC-MSC skin can fit well with curving human body, and could be wireless charged to store electricity into high capacitive micro-supercapacitors (11.39 F cm-3) of the integrated device. We believe this work will shed light on the construction of skin-attachable electronics and irregular sensing microrobots.

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    Chang Gao, Qing You, Jiancheng Huang, Jingye Sun, Xuan Yao, Mingqiang Zhu, Yang Zhao, Tao Deng. Ultraconformable Integrated Wireless Charging Micro-Supercapacitor Skin[J]. Nano-Micro Letters, 2024, 16(1): 123

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    Paper Information

    Category: Research Articles

    Received: Oct. 19, 2023

    Accepted: Jan. 3, 2024

    Published Online: Jan. 23, 2025

    The Author Email: Gao Chang (changgao@bjtu.edu.cn), Deng Tao (dengtao@bjtu.edu.cn)

    DOI:10.1007/s40820-024-01352-1

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