Design and Assessment of Flexible Capacitive Electrodes for Reusable ECG Monitoring: Effects of Sweat and Adapted Front-End Configuration.

ABSTRACT: This work presents the development and characterization of a flexible capacitive electrode for non-contact ECG acquisition, fabricated using a simple and cost-effective method from readily available materials. The electrode consists of a multilayer structure with a copper conductor laminated by a polyimide (Kapton^®) dielectric layer on a polyurethane support. The impedance and capacitance of the electrode were evaluated under varying textile moisture levels with artificial sweat, as well as after exposure to common disinfectants including ethyl alcohol and iodine tincture. Electrochemical impedance spectroscopy (EIS) and broadband impedance measurements (10^-1-10⁵ Hz) confirmed stable capacitive behavior, moderate sensitivity to moisture, and chemical stabil

SUBMITTER: Iliev I 

PROVIDER: S-EPMC12473565 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature