Preparation method of hydrogel flexible strain sensor with resistance-capacitance dual modes and sensor

The invention relates to the technical field of hydrogel, and provides a preparation method of a hydrogel flexible strain sensor with resistance-capacitance dual modes and the sensor. The sensor is formed by laminating and compounding hydrogel and a flexible grid electrode, according to different wiring modes, the sensor has a resistive working mode and a capacitive working mode, resistive sensing is achieved through the flexible grid electrode with strain response capacity, capacitive sensing is achieved through a double-electric-layer capacitor at the interface of the hydrogel and the flexible grid electrode, and thesensor can be used for detecting tensile strain; and the whole flexible device designed by the invention has good stretchability, high sensitivity and wide detection range, can realize real-time monitoring of tiny and violent human motion, and can be applied to the fields of wearable equipment, flexible robots, electronic skin and the like. 本发明涉及水凝胶技术领域，提供了一种具有阻容双模式的水凝胶柔性应变传感器的制备方法及传感器；该传感器其由水凝胶