4) Amorphous carbon material: because the preparation temperature is very low, the graphitization process is incomplete, and the obtained carbon material is mainly composed of graphite microcrystals and amorphous regions. Generally, amorphous carbon materials can be mainly cracked by catalytic...

2. Negative electrode materials for lithium-ion batteries (1) Carbon material negative electrode material 1) Natural graphite: unstable film formation, resulting in high irreversible capacity and poor cycling performance. However, the electrochemical perfo...

1、 The relationship between lithium-ion battery quotation and battery manufacturing raw materials 1. Positive electrode materials for lithium-ion batteries The raw materials used for lithium-ion batteries may have different names, and the prices of differ...

In addition, the weather is too hot and prolonged exposure to the sun is also quite dangerous, preferably‘ Cool down’ Recharging, as charging can also cause heat. When charging lithium-ion batteries, it is best to choose an outdoor charging station and not bring it to the...

There are many sellers in the current market (especially those of certain products) who, in order to pursue the lowest price, use substandard batteries as genuine ones to sell. The result is that the battery repeatedly malfunctions within a short period of time, and if there are problems, they...

Poor quality products made by unscrupulous merchants (mixed use of various battery cells) Selecting high-quality battery cells, spot welding with spot welding machine, and neat wiring 1. Unhealthy merchants blindly pursue profits by assembling batteries wi...

5. Coating film density The error during coating with too thin film density may be more difficult to control, and large particles in the active material may also have a negative impact on coating and rolling. More layers mean more foil and membranes, which in turn means high...

Factors affecting the performance of lithium-ion batteries 1. Moisture Excessive moisture can cause side reactions with positive and negative polar active substances, damage their structure, and affect circulation. At the same time, excessive moisture is n...

What are the precautions for the correct use of 18650 lithium-ion batteries? 1. When using 18650 lithium-ion batteries, it is necessary to follow the battery manual. If the 18650 lithium-ion batteries with caps are labeled with voltage capacity, it is necessary to use a dedi...

1. Correct storage and usage tips for 18650 lithium-ion batteries: The storage temperature range of 18650 is 0 ℃+60 ℃, and the working temperature is -20 ℃ -50 ℃. The optimal working temperature is 20 ℃ -40 ℃, and 60 ℃ is the temperature that ensures battery life. High temperatures can...