Abstract
Electronic skin has received widespread attention in the industry due to its conformal contact with human tissues and organs, improving interaction capabilities, and obtaining physical and chemical signals in the environment and human body. Electronic skin includes many sensors and electronic devices, which is difficult to produce and store energy by itself, and the use of external energy supply is cumbersome and unstable. Therefore, it is challenging to meet the energy needs of the electronic skin. Consequently, energy harvesting methods and the latest developments for electronic skin are reviewed. First, the performance and development trends of triboelectric nanogenerators, which generate electricity through mechanical energy and can be used as a self-driving sensor to electrical skin, are discussed. Then, the thermoelectric performance and future development of thermoelectric generators (TEGs), which use flexible thermoelectric materials and tiny temperature differences to generate electricity, are summarized. In addition, the basic challenges and latest efforts of flexible perovskite cell (F-PSC) made of perovskite materials with easy preparation, modification, and high efficiency are studied. This review provides an overview of the energy supply of electronic skin and its performance improvement and structural exploration.
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This work was supported by National Key R&D Program of China (Grant No. 2021YFB3201600), and the National Natural Science Foundation of Liaoning (Grant No. 2020-MS-219).
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Xu, K., Li, W. Progress and challenges in energy harvesting for electrical skin: a review. J Mater Sci 57, 20095–20111 (2022). https://doi.org/10.1007/s10853-022-07951-w
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DOI: https://doi.org/10.1007/s10853-022-07951-w