Zhao, J., Ghannam, R. , Htet, K. O., Liu, Y., Law, M.-k., Roy, V. A.L. , Imran, M. A. , Michel, B. and Heidari, H. (2020) Self-powered implantable medical devices: photovoltaic energy harvesting review. Advanced Healthcare Materials, 9(17), 2000779. (doi: 10.1002/adhm.202000779) (PMID:32729228)
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Abstract
Implantable technologies are becoming more widespread for biomedical applications that include physical identification, health diagnosis, monitoring, recording, and treatment of human physiological traits. However, energy harvesting and power generation beneath the human tissue are still a major challenge. In this regard, self‐powered implantable devices that scavenge energy from the human body are attractive for long‐term monitoring of human physiological traits. Thanks to advancements in material science and nanotechnology, energy harvesting techniques that rely on piezoelectricity, thermoelectricity, biofuel, and radio frequency power transfer are emerging. However, all these techniques suffer from limitations that include low power output, bulky size, or low efficiency. Photovoltaic (PV) energy conversion is one of the most promising candidates for implantable applications due to their higher‐power conversion efficiencies and small footprint. Herein, the latest implantable energy harvesting technologies are surveyed. A comparison between the different state‐of‐the‐art power harvesting methods is also provided. Finally, recommendations are provided regarding the feasibility of PV cells as an in vivo energy harvester, with an emphasis on skin penetration, fabrication, encapsulation, durability, biocompatibility, and power management.
| Item Type: | Articles |
|---|---|
| Additional Information: | This work is supported by grant EP/R511705/1 from EPSRC, UK, and the European Union’s Horizon 2020 Hybrid Enhanced Regenerative Medicine Systems (HERMES) project (GA n. 824164) |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Ghannam, Professor Rami and Zhao, Mr Jinwei and Imran, Professor Muhammad and Vellaisamy, Professor Roy and Heidari, Professor Hadi and Liu, Miss Yuchi |
| Authors: | Zhao, J., Ghannam, R., Htet, K. O., Liu, Y., Law, M.-k., Roy, V. A.L., Imran, M. A., Michel, B., and Heidari, H. |
| College/School: | College of Science and Engineering > School of Engineering College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering College of Science and Engineering > School of Engineering > Systems Power and Energy |
| Journal Name: | Advanced Healthcare Materials |
| Publisher: | Wiley |
| ISSN: | 2192-2640 |
| ISSN (Online): | 2192-2659 |
| Published Online: | 29 July 2020 |
| Copyright Holders: | Copyright © 2020 The Authors |
| First Published: | First published in Advanced Healthcare Materials 9(17):2000779 |
| Publisher Policy: | Reproduced under a Creative Commons License |
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