Tu Huating, Li Xiaoou, Lin Xiangde, Lang Chenhong, Gao Yang
College of Medical Instruments, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China.
Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China.
Polymers (Basel). 2023 Sep 6;15(18):3665. doi: 10.3390/polym15183665.
Electrocardiogram (ECG) electrodes are important sensors for detecting heart disease whose performance determines the validity and accuracy of the collected original ECG signals. Due to the large drawbacks (e.g., allergy, shelf life) of traditional commercial gel electrodes, textile electrodes receive widespread attention for their excellent comfortability and breathability. This work demonstrated a dry electrode for ECG monitoring fabricated by screen printing silver/silver chloride (Ag/AgCl) conductive ink on ordinary polyester fabric. The results show that the screen-printed textile electrodes have good and stable electrical and electrochemical properties and excellent ECG signal acquisition performance. Furthermore, the resistance of the screen-printed textile electrode is maintained within 0.5 Ω/cm after 5000 bending cycles or 20 washing and drying cycles, exhibiting excellent flexibility and durability. This research provides favorable support for the design and preparation of flexible and wearable electrophysiological sensing platforms.
心电图（ECG）电极是检测心脏病的重要传感器，其性能决定了采集到的原始心电图信号的有效性和准确性。由于传统商业凝胶电极存在较大缺点（如过敏、保质期），纺织电极因其出色的舒适性和透气性而受到广泛关注。这项工作展示了一种通过在普通聚酯织物上丝网印刷银/氯化银（Ag/AgCl）导电油墨制成的用于心电图监测的干电极。结果表明，丝网印刷的纺织电极具有良好且稳定的电学和电化学性能以及出色的心电图信号采集性能。此外，丝网印刷的纺织电极在经过5000次弯曲循环或20次洗涤和干燥循环后，电阻保持在0.5Ω/cm以内，表现出优异的柔韧性和耐用性。该研究为柔性可穿戴电生理传感平台的设计和制备提供了有力支持。
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