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Storage life test
The storage life test mainly simulates the performance changes of the battery in the long-term storage state, and evaluates the stability, decay speed and possible safety hazards of the battery when it is not in use.
Storage life test
By simulating the battery's long-term static storage under different storage conditions, the storage life test can evaluate the performance stability of the battery during non-use. This test helps manufacturers optimize battery design, especially for the battery's self-discharge, temperature sensitivity, humidity effects and other factors to ensure the safety and reliability of the battery during storage. For the user, the storage life test provides the performance expectation of the battery when it is not used for a long time, ensuring that the battery will not have significant performance degradation or safety issues during transportation, warehousing, etc., extending the service life of the battery and reducing the risk of product obsolescence.
Testing aspect
Testing under different storage conditions
The battery is placed in different storage environments, such as normal temperature, low temperature, high temperature and other temperature conditions for storage test.
By storing the battery for a long time, the capacity loss and internal resistance changes of the battery are tested to determine the performance changes of the battery when it is not in use.
State of Charge (SOC) impact
The storage state of a battery often affects its life, and storage tests are performed under different SOCs, such as full, half, and low charge states.
The self-discharge rate, capacity decay and storage stability of batteries under different SOCs were studied.Measure the capacity decay rate of the battery under different environmental conditions to understand the effect of temperature on the battery performance.Analyze the aging characteristics of the battery material to verify the performance reliability of the battery during a specific service life.
Humidity and climate effects
Simulate storage conditions in a high humidity environment to test the moisture resistance of the battery and the stability of the internal materials.
Under different humidity conditions, the capacity decline and possible corrosion of the battery were observed.High rate discharge usually accelerates the aging of the battery, so it can help test the resistance of the battery under high load conditions.
Performance evaluation after long-term storage
After storage for a certain period of time, take out the battery for performance testing, including capacity, internal resistance, open circuit voltage, etc.
Evaluate whether the battery still has good performance after a long period of storage, and check for obvious performance degradation or other potential problems.
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
Extended reading
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