Abstract
Given the complicated process and high cost in the fabric electrode preparation process, this paper uses a combination of droplet jet technology and chemical deposition technology to directly print the conductive layer on the surface of the fabric to realize the preparation of the fabric electrode. The microscopic morphology and conductivity of the conductive layer before packaging are studied, and the AC impedance test of the fabric electrode after packaging and the acquisition of human ECG signals are carried out. The results show that the average diameter of the silver particles in the conductive layer of the fabric electrode is about 15 m m, the thickness is about 100 m m, and the conductivity of the conductive layer is 8.658 × 105 S/m. The trend of the AC impedance of the fabric electrode is similar to that of the standard Ag-AgCl electrode, and the impedance of the plain weave fabric electrode is lower than the standard gel Ag-AgCl electrode at 10~45 Hz; the collected ECG signal is similar to the R wave amplitude measured by the standard Ag-AgCl electrode, and the ECG signal has a clear spectral composition, which verifies the feasibility of the fabric electrode to collect ECG signal.
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