Abstract
This disclosure describes automated techniques for early detection of swollen batteries in mobile devices using pressure-sensitive touchscreen testing using a pressure-sensitive robot. Subtle physical deformations in a device caused by battery swelling that can lead to critical safety hazards can be detected. The robot performs automated regression testing on devices that include batteries. During testing, the robot continually scans the device surface and reports changes in the surface profile. By changing the Z-height, the robot can be used to detect micrometer-level increases in the device height that can be indicative of one or more batteries of the device being swollen. The changes are compared to a suitable threshold to identify potential battery swelling, enabling early detection of battery degradation before significant deformation occurs. The techniques can be utilized by device manufacturers to perform assessments across product lines and identify problematic battery models.
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.
Recommended Citation
Zadeh, Hadi and Mittelberg, Boris, "Early Detection of Mobile Device Battery Swelling Using Pressure-Sensitive Robot", Technical Disclosure Commons, (November 20, 2024)
https://www.tdcommons.org/dpubs_series/7576