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A vehicle of semi-finished lithium-ion batteries was burned on the highway!

A vehicle of semi-finished lithium-ion batteries was burned on the highway!

At 17:42 on the 22nd, a truck caught fire 200 meters away from the exit of the Beiliu toll station on the Guangzhou Kunming Expressway. A vehicle of semi-finished lithium batteries was burned, fortunately there were no casualties. After receiving the alarm, the Yulin Fire Br...
What is the purpose of roller pressing for lithium-ion battery electrodes?

What is the purpose of roller pressing for lithium-ion battery electrodes?

The compaction density of electrode surface coating materials is closely related to the electrochemical performance of batteries. A reasonable compaction density can effectively increase the electrochemical performance of batteries, reduce the contact resistance and AC impedance of electrodes,...
What is the capacity testing method for rechargeable lithium-ion batteries?

What is the capacity testing method for rechargeable lithium-ion batteries?

A 1500mAh rechargeable battery, fully charged. If the discharge current of 1500mA can reach 1 hour, it indicates that the capacity is sufficient. Still use 750mA discharge for 2 hours to detect. But when the voltage is 0.9V (1.2V rechargeable battery), there is still a nominal current released...
What are the roller pressing methods for lithium-ion battery electrodes? Which one is better?

What are the roller pressing methods for lithium-ion battery electrodes? Which one is better?

Does the rolling temperature have an impact on the performance of lithium-ion battery electrodes in the rolling process? This time, we will share a document that excerpts some of the explanations on the impact of roller pressing temperature on lithium battery electrodes. Polar plate rolling can be d...
What problems are prone to occur when using silicon crystals as negative electrode materials alone in lithium-ion batteries?

What problems are prone to occur when using silicon crystals as negative electrode materials alone in lithium-ion batteries?

The battery cover plate is a square shell battery top cover that seals the bare battery cell and isolates it from the outside. Each square shell battery is composed of a cover plate and a shell, and the cover plate mainly includes a top cover plate, positive and negative pole columns, explosion-proo...
What process can modify silicon to optimize lithium-ion batteries?

What process can modify silicon to optimize lithium-ion batteries?

What processes can be used to modify and optimize silicon in order to complement each other's strengths and weaknesses? Composite treatment of silicon with other substances can achieve good results, among which silicon carbon composite material is a widely studied material....
Scientists have discovered the cause of frequent explosions in lithium-ion batteries!

Scientists have discovered the cause of frequent explosions in lithium-ion batteries!

With the rapid development of portable electronic devices and electric vehicles, people are not only pursuing larger capacity and faster charging and discharging speed of lithium batteries, but also more concerned about how to ensure the safety of lithium battery use. Due to occasional inciden...
What fields can lithium-ion capacitors be applied in?

What fields can lithium-ion capacitors be applied in?

1. In low-power systems, replace the previous secondary battery with a lithium-ion capacitor.Lithium ion capacitors have a large capacity and low self discharge current. When combined with solar panels, they can utilize this characteristic by replacing the previous secondary battery with a lithium-i...
How to solve the problem between high nickel materials and electrolytes in lithium-ion batteries?

How to solve the problem between high nickel materials and electrolytes in lithium-ion batteries?

The problems arising from the combination of high nickel materials and electrolytes are relatively complex to solve and have a high technical threshold. If a company does not have sufficient research and development capabilities, it is difficult to produce electrolyte products that match high nickel...
Tell me about the safety of using batteries

Tell me about the safety of using batteries

At present, battery safety has gradually become a hot topic of discussion, especially with more and more people starting to use low resistance high-power atomizers, the safety of batteries has become more important. The most common type of battery on the market currently is the 18650 battery that we...