What is a lithium battery protection board and what is it used for?

Introduction What exactly is a lithium battery protection board and what is its use? The lithium battery protection board is a charge and discharge protection for lithium batteries in series. Function: Effectively improve the charging effect in series charging mode, a

What is a lithium battery protection board and what is it used for?

Lithium battery protection board is to protect the charging and discharging of lithium battery in series. Function: Effectively improve the charging effect in series charging mode, and simultaneously detect the overvoltage and undervoltage of each cell; Battery, overcurrent, short circuit, overheating state, protect and extend battery life.

Lithium battery protection board, as the name suggests, is used to protect lithium batteries. The function of the lithium battery protection board is to protect the battery from discharge, overcharge and overcurrent, as well as output short circuit. -circuit protection.

The finished lithium battery mainly consists of two parts, the lithium battery core and the protection plate. The lithium battery core is mainly composed of a positive plate.ve, a separator, a negative plate and an electrolyte; the negative plates are rolled up or after rolling, wrapping, electrolyte filling and packaging, the cells are manufactured.

Detailed information:

Lithium battery protection board types:

p>< p>1. Judging from the overcharge and overdischarge functions of lithium batteries

If divided according to the charging and discharging performance of lithium batteries, the protection boards can be roughly divided into two types, one being only one. Function, that is, one-way overcharge protection for the battery or overdischarge protection for the battery. The other is two-way protection, which has both overcharge and overdischarge functions. Two-way protective panels are currently more widely usedized than simple protection panels.

2. Judging from the combination of lithium batteries

The different series and parallel connection methods of lithium batteries also directly lead to different protection boards of lithium batteries. It is divided into two categories: series connection and parallel connection. The battery in series should increase the overall voltage, and the battery in parallel should increase the overall capacity. Therefore, the lithium battery protection board is also divided into two types according to the two battery connection methods.

3. From the perspective of customer requirements

Lithium battery protection boards are used in various fields, but each field has different voltage and current requirements for lithium batteries, it is why Due According to the different parameter requirements, it is determined that the coInternal components of the lithium battery protection board need to be modified to change the specific parameters of the protection board.

4. From the perspective of board quality

The boards of lithium battery protection boards are divided into hard boards, commonly known as hard boards. This type of card is currently the most used. most commonly used; they are soft boards; there are corresponding multi-layer boards and double boards; if these boards are combined in different ways, they will be split. in more types.

Baidu Encyclopedia-Lithium battery protection board

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