Journal
ACS APPLIED ELECTRONIC MATERIALS
Volume 4, Issue 9, Pages 4708-4718Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsaelm.2c00909
Keywords
polypyrrole; triboelectric; graphene; sustainability; eco-friendly process; eggshell membrane; supercapacitors
Funding
- FACEPE
- FAPESB
- FINEP
- CNPq
- Coordenacao de Aperfeicoa- mento de Pessoal de Nivel Superior - Brasil (CAPES) [001]
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This article proposes a simple and low-cost flexible system based on triboelectric generators to collect energy from skin contact with the device and store it in a supercapacitor. The integrated prototype for energy harvesting/storage device exhibits flexibility and has the ability to drive electronic devices integrated into flexible substrates.
The development of implantable and wearable electronics and the concept of the internet of things proved a recent burgeoning growth with different applications. However, the integration of electrically driven devices depends on hard components that must be conveniently substituted by flexible and more efficient devices. Herein, the development of a simple and low-cost all-in-one flexible system based on triboelectric generators that harvest energy from the skin contact with the device is proposed and makes possible the storage of this energy in a supercapacitor prepared with the same support applied as collectors of triboelectric nanogenerators (eggshell membranes modified with graphene nanoplatelets and polypyrrole). This integrated prototype for the energy harvesting/storage device with the characteristic flexibility of natural eggshell membranes introduces promising properties of an autonomous device able to drive electronic devices integrated into flexible substrates.
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