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Why does the battery leak and how to prevent it
May 28 , 2021
If the liquid leaks, the main reasons are: 1.The internal pressure is too large; 2. The external package is unqualified. In the process of battery manufacturing, if the following problems occur, it is easy to cause battery leakage: 1. When welding the battery shell and cap, the welding is not firm, not sealed, there are leaks, virtual welding, and the weld has cracks and other problems; ...
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Ultrasonic metal spot welder
Jun 11 , 2021
Ultrasonic metal spot welder: It is similar to friction welding, but there are difference, Ultrasonic welding takes a short time and the temperature is lower than recrystallization; It is also different from pressure welding because the static pressure applied is much less than pressure welding. It is generally believed that in the initial stage of the ultrasonic welding process, the tangential vi...
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What is a lithium-ion battery BMS? Why do need a BMS lithium-ion battery management system?
Jun 18 , 2021
When it comes to lithium-ion batteries, it is often associated with some terms such as lithium-ion battery protection boards and lithium-ion battery management systems. As we all know, BMS battery management system mainly appears in lithium-ion batteries. Lead-acid batteries generally do not have this management system. Lithium batteries have one more BMS battery management system to protect cells...
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What are the important materials for lithium battery packs?
Jun 23 , 2021
Introduction to the basic structure of lithium battery pack: Important materials: positive electrode, negative electrode, electrolyte, separator Structure: round, square; laminated, winding Form: polymer (soft packaging), liquid lithium ion (steel shell) positive electrode Cathode materials account for 30%-40% of the cost of lithium batteries, which directly affect the energy density and performan...
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Aluminium Metal Foam Panels
Jul 01 , 2021
Features Aluminum foam is added into pure aluminum or aluminum alloy after foaming process, and has both metal and bubble characteristics. It has low density, high shock absorption ability, high temperature resistance, strong fire resistance, corrosion resistance, sound insulation and noise reduction, low thermal conductivity, high electromagnetic shielding, strong weather resistance, filtering ab...
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What kinds of anode materials are there for lithium-ion batteries?
Jul 16 , 2021
Lithium-ion battery anode materials are roughly divided into six types: carbon anode materials, alloy anode materials, tin-based anode materials, lithium-containing transition metal nitride anode materials, nano-level materials, and nano-anode materials. The first is the anode material of carbon nano-level materials: the anode materials that have been actually used in lithium-ion batteries are bas...
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Do you know the meaning of "18650"
Jul 16 , 2021
Cylindrical lithium-ion battery cells are usually represented by five digits. Counting from the left, the first and second digits refer to the diameter of the cell body, the third and fourth digits refer to the battery height, and the fifth digit refers to the circle. In addition to our common 18650 cylindrical lithium-ion battery, what other cylindrical specifications of lithium batteries are the...
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What are the lithium ion battery separators?
Jul 23 , 2021
In the structure of lithium-ion batteries, the diaphragm is one of the key internal components. The performance of the diaphragm determines the interface structure, internal resistance, etc. of the lithium-ion battery, and directly affects the battery's capacity, cycle and safety performance. A diaphragm with excellent performance has an important purpose for improving the overall performance of t...
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