Battery, battery system and method for detecting abnormal state of battery

摘要

There is provided a battery system including a battery having a luminescent layer on surfaces of an exterior member, the luminescent layer containing a stress luminescent material that emits light in response to application of mechanical stress, a photodetector device that detects light emission by the stress luminescent material, and abnormality detection means for monitoring the light emission detected by the photodetector device and thus detecting an abnormality in the battery.

主权项

1. A battery system comprising:
a battery comprising an exterior member and a luminescent layer on a surface of the exterior member, wherein the luminescent layer comprises a stress luminescent material configured to emit light in response to application of mechanical stress; a photodetector device configured to detect light emission by the stress luminescent material; and an abnormality detection mechanism configured to monitor the light emission detected by the photodetector device, and to detect an abnormality in the battery based on the monitored light emission.