5316405

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The 5316405 application field and working principle refers to the positive or negative electrode start-up protection method used in rechargeable batteries. These components are used to protect the battery from further damage after it has been energized or charged.

Positive electrode start-up protection device is a kind of safety device for rechargeable batteries. It mainly used in power storage battery pack, mainly charging circuit for rechargeable battery pack. Its role is to ensure the safety of rechargeable battery pack by preventing over-charge or reverse charge. It applies to lithium battery, Nickel-Cadmium battery and Lead acid battery, etc. When the voltage of the battery is lower than the predetermined threshold, the positive electrode start-up protection device is enable to protect the battery. The positive electrode start-up protection device relies on the characteristics of different materials, widely used electric wire with resistance, temperature sensitive polymers-based materials, or materials with positive temperature coefficient of resistance (PTC) such as base or metal oxide semiconductor are typically used.

The 5316405 application field and working principle of the negative electrode start-up protection device are much more complex than the positive electrode start-up protection device. It is usually used in electronic power system and battery packs to protect the battery from overcharge and short circuit when the battery voltage is being powered up. The principle is to detect the current of the battery, when the current exceeds a certain limit, the negative electrode start-up protection device is enabled and the control circuit will cut off the power supply to protect the battery. The negative electrode start-up protection device mainly uses the thermal relay, air-gap protection device and diode.

The 5316405 application field and working principle highlights the importance of using protection devices to protect the rechargeable batteries from further damage. Such protective measures are especially useful for electric storage batteries, as they are sensitive to overwriting and need to be protected from reverse charge and short circuit. With the positive electrode start-up protection device and negative electrode start-up protection device, both the current and the voltage in the battery can be monitored, and any potential danger can be prevented, thus ensuring the safety of the battery and its use.

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