一种基于相变调控的双模态柔性电容传感器及制备方法
By preparing a temperature-sensitive phase change composite dielectric layer film and performing thermal history elimination and controlled cooling, the problem of balancing sensitivity and range in flexible capacitive sensors under different detection scenarios was solved. This enabled the sensor to switch reversibly between high sensitivity and wide range modes, improving application flexibility and applicability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JILIN UNIVERSITY
- Filing Date
- 2026-05-07
- Publication Date
- 2026-07-17
AI Technical Summary
Once manufactured, the microstructure and material properties of the dielectric layer of existing flexible capacitive sensors are fixed, making it difficult to simultaneously meet the requirements of high sensitivity and wide measurement range, thus limiting the flexibility of application in different detection scenarios.
By preparing a temperature-sensitive phase change composite dielectric layer film and performing thermal history elimination and controlled cooling after device assembly, the physical reconstruction of the internal microstructure is achieved by utilizing the competition mechanism between the crystallization kinetics and thermodynamics of the semi-crystalline polymer at different cooling rates. This enables the sensor to be configured in situ and reversibly between high-sensitivity mode and wide-range mode.
It enables reversible switching between high-sensitivity mode and wide-range mode for the same sensor, improving application flexibility, reducing manufacturing complexity and cost, and broadening application scenarios, especially suitable for flexible wearable devices and intelligent robots.
Smart Images
Figure CN122149539B_ABST