Why don't battery car sellers in Shanghai sell lithium batteries?

Introduction There are many reasons why no one selling battery cars in Shanghai sells lithium batteries. The main reasons are: 1. The safety of lithium batteries has caused more and more concerns about lithium batteries.

Why don't battery car sellers in Shanghai sell lithium batteries?

There are many reasons for this, the main ones are:

1. Lithium battery safety through the impact of lithium battery explosions in the past. , its residents have become more concerned about lithium batteries. There are doubts about their safety.

2. The price is half that of an electric vehicle with a lithium battery (the one with a longer range is higher).

3. It is convenient. People already have many tools for short-distance travel, including shared bikes.

"Lithium battery" is a type of battery that uses lithium metal or lithium alloy as the negative electrode material and uses non-aqueous electrolyte solution.

Lithium batteries are generally divided into two categories:

1. Lithium metal batteries generally use manganese dioxide as the electrode materiale positive and metallic lithium or its metallic alloy. Negative electrode material, batteries using non-aqueous electrolyte solutions.

2. Lithium-ion batteries. Lithium-ion batteries generally use lithium alloy metal oxide as the positive electrode material, graphite as the negative electrode material, and use non-aqueous electrolytes.

Although the energy density of lithium metal batteries is high, it can theoretically reach 3860 watts/kg. However, because its properties are not stable enough and cannot be recharged, it cannot be used as a power bank for repeated use. Lithium-ion batteries are being developed as primary power batteries due to their ability to be charged repeatedly. However, due to the combination of different elements, the performance of cathode materials varies consideredrably in various aspects, which has led to an increase in disputes over the choice of cathode materials in the industry.

Notes on lithium batteries:

Storage requirements: in an environment with a temperature of 20 ± 5℃ and humidity not exceeding 50%, air and water vapor should be avoided. during erosion transport.

This product is divided into two types, A and B. The main characteristics of each are: the appearance of type A is black, the conventional coating thickness is 4-8μm on both sides and the conductive performance is more remarkable; the appearance of type B is light gray, and the conventional coating thickness is 2-3μm on both sides. Fewer welding layers can be done in the cladding area and the cladding machine can identify skip gaps.

Type B (gray) carbon coated aluminum sheet can be weldedby ultrasound directly into the coating area. It is only suitable for soldering laminated battery tabs (up to 2-3 layers of pole pieces), but the power and time of ultrasound require fine tuning.

The heat dissipation of carbon layer is worse than that of aluminum foil, so the belt speed and baking temperature should be adjusted appropriately when coating.

Based on a query for relevant information, it displays: secure storage.

1. Shanghai lithium batteries should be stored in a well-ventilated, dry and cool place. High temperatures may damage battery performance and/or corrode the battery surface.

2. Shanghai lithium battery cartons should not be stacked beyond the specified height. If too many boxes of batteries are stacked together, the batteries in the bottom box may be damaged.be distorted and leaks may occur.

3. Shanghai lithium batteries should avoid being stored or exposed to direct sunlight or places prone to rain. If the battery is exposed to water, insulation resistance will decrease and self-discharge and rust may occur. Rising temperatures can damage the battery.

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