Journal
NANO ENERGY
Volume 104, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.nanoen.2022.107923
Keywords
Wearable electronics; Self -charging power paper; Paper -based microbial fuel cells; Paper -based supercapacitors; All -in -one papertronic power systems; Sweat -based energy harvesting
Categories
Funding
- National Science Foundation
- [1920979]
Ask authors/readers for more resources
This work integrates microbial fuel cells and supercapacitors into a disposable, wearable paper-based platform, demonstrating a self-charging power source powered by sweat. By printing functional materials on the same piece of paper, the system design and fabrication are simplified, and the system exhibits stable capacitive behavior and superior self-charging characteristics.
Microbial fuel cell (MFC) technology is constantly pushing its boundaries and advancing in unexpected ways. Integrating non-toxic, storable, spore-forming bacterial cells into a flexible, disposable paper-based MFC platform provides a new route for powering single-use, sweat-based, wearable devices. Even for one-time or short-term operations, however, the MFC performance remains insufficient as an integrated wearable power source that is reliable and practical. This work demonstrates the first example of wearable, sweat-based, disposable self -charging power paper integrating three MFCs as an energy harvester and a solid-state supercapacitor (SC) as an energy storage device. By printing energy harvesting and storing functionalizes on the same piece of paper, the design and fabrication of the system can be revolutionarily simplified while its flexible, wearable, all-in-one papertronic platform will conform to the skin. Horizontal MFC and planar interdigitated SC devices are easily integrated into a single sheet of paper. This hybrid self-powered system generates an outstanding 4 mu W/cm2 and 37 mu A/cm2 from sweat, stores an excellent 9.81 mF of energy, demonstrates stable capacitive behavior for more than 100 cycles, and possesses superior self-charging characteristics as it can produce a constant discharge of 5.53 mu Ah. As a proof of concept, the system successfully powered an on-chip light-emitting diode (LED).
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available