What is the lithium battery version of an electric car?

Introduction Hello, what is the lithium battery version of electric vehicles? Lithium batteries are a type of battery that uses lithium metal or lithium alloy as the negative electrode material and uses a non-aqueous electrolyte solution. The first lithium batteries a

What is the lithium battery version of an electric car?

Hello, 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. The first lithium battery came from the great inventor Edison. Since the chemical properties of lithium metal are very active, the processing, storage and use of lithium metal are subject to very high environmental requirements. Therefore, lithium batteries have not been used for a long time.

Characteristics of lithium batteries

1. They have a higher weight-to-energy ratio and a higher volume-to-energy ratio.

2. tension. The voltage of a single lithium battery is 3.6 V, equal to the series voltage of three rechargeable nickel-cadmium or nickel-metal hydride batteries

3. which is the most important advantage of this battery;

4. Lithium batteries do not have the so-called memo effectire nickel-cadmium batteries, so lithium batteries do not need to be discharged before charging;

5. Long life expectancy. Under normal working conditions, the number of charge/discharge cycles of lithium batteries is much more than 500 times;

6. Lithium batteries can generally be charged with a current of 0.5 to 1 times the capacity, reducing the charging time to 1 to 2 hours

7. They can be used in parallel as desired

<; p>8. Due to the fact that it does not contain heavy metal elements such as cadmium, lead and mercury, and does not pollute the environment, it is the most advanced green battery in the world; . High cost. Compared to other rechargeable batteries, lithium batteries are more expensive.

The structure of lithium batteries

Lithium batteries generally have two shapes: cylindrical and rectangular.

The inside of the batteryIt adopts a spiral winding structure, and a very thin and highly permeable polyethylene film insulating material is used to separate the positive and negative electrodes. The positive electrode includes a lithium ion collector composed of lithium and cobalt dioxide and a current collector composed of aluminum film. The negative electrode consists of a lithium ion collector made of carbon foil material and a current collector made of copper film. The battery is filled with an organic electrolyte solution. In addition, a safety valve and PTC element are installed to protect the battery from damage caused by abnormal conditions and output short circuits.

The voltage of a single lithium battery is 3.6V, and the capacity cannot be infinite. Therefore, single lithium batteries are often connected in series or parallel to meet the requirements ofe different occasions. If you have a problem with your car, ask the auto guru. Professional technicians from 4S stores can solve the problem within 10 minutes.

Lithium-ion batteries contain electrolytes and are relatively dangerous. Lithium polymer batteries use polymer electrolytes, which have a long life and are safe. So there will be no safety risks such as bulging. It must be polymers. Physical batteries are better.

Detailed information:

Lithium polymer battery

According to the electrolytic materials used in lithium - Ion Batteries Different lithium ion batteries are divided into liquid lithium ion batteries and polymer lithium ion batteries) or plastic lithium ion batteries. The positive and negative electrode materials used in lithium-ion polymer batteries are msame as liquid lithium ions. The positive electrode materials are divided into lithium cobalt manganese oxide. Lithium oxide, ternary materials and lithium iron phosphate materials, the negative electrode is graphite, and the working principle of the battery is basically the same.

The main difference is the electrolyte. Liquid lithium-ion batteries use liquid electrolytes, while lithium-ion polymer batteries use solid polymer electrolytes instead. This polymer can also be in the dry state. be "colloidal", and currently most use polymer gel electrolytes.

Lithium battery

“Lithium battery” is a type of battery that uses lithium metal or lithium alloy as the negative electrode material and uses non-ionic electrolyte solution. watery. Lithium metal batteries were first proposed and studied fois by Gilbert N. Lewis in 1912. In the 1970s, M. S. Whittingham proposed and began studying lithium-ion batteries. Since the chemical properties of lithium metal are very active, the processing, storage and use of lithium metal are subject to very high environmental requirements. Therefore, lithium batteries have not been used for a long time. With the development of science and technology, lithium batteries have now become mainstream.

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