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Start-Stop (STT）Sodium Battery

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Product Description

A start-stop battery, also known as a starter battery or a micro-hybrid battery, is a type of battery specifically designed for car start-stop systems. It is mainly used to provide short-term starting power. This battery can automatically shut down the car when it is temporarily parked, and restart the engine when the car is moving forward, thus saving energy and reducing emissions. Sodium-ion batteries are more suitable for use as start-stop (STT) batteries due to their excellent low-temperature performance.

Start-stop battery should have a large current discharge capacity. The automatic start-stop starter is an enhanced type with higher power. Generally, the discharge capacity of the start-stop battery is more than 30% higher than that of the ordinary battery. For example, the peak capacity of the ordinary battery to release current instantly is 280A, so the automatic start-stop battery of the same specification can often reach 400A or even higher.

Start-stop battery needs to be able to charge quickly. Frequent starting and discharging require the ability to charge in a short time, which requires the ability to accept high current charging. Under low-speed driving conditions, it only takes 3 minutes to replenish the power consumed during the last start-up, while a regular lead-acid battery takes about 10 minutes.

Higher charging and discharging cycle life is required for Start-stop battery. Frequent starting requires longer charging and discharging cycle life. The charging and discharging cycle life of ordinary lead-acid batteries is 300-500 times, while the charging and discharging cycle life of special batteries is 3-4 times that of ordinary lead-acid batteries.