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Puncture Test
The main purpose of the puncture test is to simulate the performance of the battery when it is impaled by a sharp object, and to assess whether the battery can remain safe after being impaled or penetrated. Acupuncture may cause a short circuit inside the battery, thermal runaway, electrolyte leakage, or even a fire or explosion. Therefore, the needle test helps verify that the battery's design, materials, and safety guards are strong enough to prevent hazards in the event of puncture.
Puncture Test
The needle test is essential to ensure the safety of the battery in the event of puncture with sharp objects. Batteries may encounter unexpected physical shocks during use, such as accidental knife thrusts, nail thrusts, etc., especially in applications such as automobiles, power tools, and energy storage devices. The puncture test helps verify that the internal and external structure of the battery is strong enough to avoid the danger of puncture.
Test procedure
Puncture
Use a standardized sharp object (such as a steel needle, nail, etc.) to Pierce the battery, usually into the central area of the battery or other parts where the puncture may occur. The puncture method and force should be in accordance with the specification to simulate the unexpected situation that may occur in reality.
Monitoring reaction
During the piercing process, real-time monitoring of the battery's temperature, pressure, appearance changes (such as expansion, cracking, leakage, etc.) and any abnormal reactions (such as smoke, sparks, fire, etc.). You also need to monitor the environment around the battery to check for signs of danger.
Continuous observation
The battery is usually monitored continuously for a period of time until it is determined whether a dangerous event such as thermal runaway or fire has occurred. After acupuncture, check whether the battery is damaged, whether the electrolyte leaks, and whether other safety problems occur.
End inspection
After the test, thoroughly inspect the appearance and condition of the battery to see if there is any damage, leakage, expansion or overheating, and record the data.
low-speed car batteries
Low-speed vehicle battery is a kind of battery designed for low-speed electric vehicles, which has the characteristics of clean, environmental protection, high efficiency and economy, and is widely used in electric golf carts, low-speed electric vehicles (LSV), mobile vendors, campus transportation, cargo trucks and so on
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