High Voltage Terminal Posts for 200A 1000V Lithium Batteries

Causes of heating of lithium battery Terminal Posts. Selection and application of lithium battery Terminal Posts.

Heating of lithium battery Terminal Posts is one of the common problems during the use of lithium batteries, which may have a certain impact on the normal operation of the battery. This article will introduce in detail the structure, working principle and causes of heating of lithium battery Terminal Posts.

High Voltage Lithium battery binding post

The structure and working principle of lithium battery Terminal Posts:
Lithium battery Terminal Posts are an important part of connecting the positive and negative electrodes of the battery to the external circuit. Generally, a lithium battery terminal consists of a metal rod and a layer of conductive material. The metal rod is responsible for drawing electricity away from the inside of the battery, while the conductive material serves to connect the battery to the external circuit.
Inside the battery, there is a potential difference between the positive and negative electrodes. When the external circuit is connected, current will flow from the positive pole to the negative pole and be led out through the binding post. Since the passage of current will produce a certain resistance, the terminal will generate a certain amount of heat.
Reasons why lithium battery Terminal Posts heat up:
1. Excessive current:
When the current of the external circuit exceeds the range that the Terminal Posts can withstand, the Terminal Posts will be overloaded, causing heat. This may be caused by unreasonable external circuit design or battery failure during use.
2. Poor connection between Terminal Posts:
If the connection between the terminal and the inside of the battery is poor, it will cause a large contact resistance when current passes through the terminal, causing heat. This situation may be caused by insufficient contact area between the Terminal Posts and the battery, dirt, oxidation, etc.
3. Terminal Posts material issues:
If the quality of the conductive material of the Terminal Posts is not high enough, the resistance may be high and the current will generate a lot of heat when passing through it. In addition, if the thermal conductivity of the Terminal Posts material is poor, the heating phenomenon will be aggravated.
4. The ambient temperature is too high:
When the battery is used in a high-temperature environment, the internal heating problem will be more serious. In this case, the heating of the Terminal Posts may be more noticeable.

250A high current energy storage lithium battery binding post

How to solve the heating problem of lithium battery terminals:
1. Properly design the circuit: When using lithium batteries, the external circuit should be designed appropriately to ensure that the current is within the range that the terminal can withstand. Prevent excessive current from passing through the terminals, thereby reducing the occurrence of heating problems.
2. Improve the connection quality of terminal posts: To ensure good contact between the terminals and the inside of the battery, some measures can be taken to improve the connection quality, such as cleaning the contact surface, preventing oxidation, increasing the contact area, etc.
3. Select the appropriate Terminal Posts material: When selecting a Terminal Posts, you should consider its electrical and thermal conductivity, choose high-quality conductive materials, and ensure that the Terminal Posts has good thermal conductivity to reduce the occurrence of heating problems.
4. Control ambient temperature: Try to avoid exposing the battery to high temperature environments and take cooling measures, such as adding heat dissipation devices and changing the battery usage environment.
The heating problem of lithium battery Terminal Posts may be caused by many reasons, such as excessive current, poor Terminal Posts connection, material problems, and excessive ambient temperature. In order to solve this problem, it is necessary to pay attention to reasonable circuit design, improve connection quality, select appropriate terminal materials, and control ambient temperature during the design and use process. Through these measures, the heating phenomenon of lithium battery Terminal Posts can be effectively reduced and the safety and service life of the battery can be improved.

Lithium battery binding post size chart

Lithium battery binding post features:
Product model: DS-FM6-EB-SOM8-200A-C
Material: PA66 & H59 BRASS
Current: 200A
Voltage: 1000V DC Max.
Dielectric strength: 2500V
Contact resistance: 0.05MΩ MAX.
Insulation resistance: 1000MΩ
Working temperature: -40~105℃
Opening size: φ20-φ4~4.2*4 (22*22mm)
Installation screw: M4
Installation type: wall installation
Product Series: Terminal Blocks
Flame retardant grade: UL94V-0
Application areas: electronics
IP rating: IP65
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