| 摘要 |
PURPOSE: A recognizing method of battery thermal shock is provided to prevent safety accidents by checking whether heat affects a battery attached to a pack. CONSTITUTION: An irreversible thermal sensor adheres to the battery to confirm battery temperature, and uses a thermal paper, a temperature sensible crayon, and temperature sensible manicure. If the sensor adheres to the battery or the pack(visible from the outside), a user can always confirm whether the heat affects the battery. A history of the battery to the heat is confirmed to prevent safety accident and explosion of the battery.
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