What is the difference between lithium polymer batteries and polymer batteries?

Introduction What is the difference between lithium polymer and polymer batteries? According to experts: Lithium polymer (Li-polymer) batteries are based on lithium-ion batteries and use polymer electrolysis.

What is the difference between lithium polymer batteries and polymer batteries?

According to experts: Lithium polymer batteries (Li-polymer) are produced from lithium-ion batteries by replacing traditional liquid organic electrolytes with polymer electrolytes.

The current main differences between lithium polymer batteries and lithium batteries are roughly as follows:

1. Appearance: As long as they are packaged in a soft foil wrapper, they probably will be. is called a lithium polymer battery. Because there is no metal shell, polymer batteries have the advantage of being thin and light. However, the disadvantage is that it is not protected by a metal shell and is easily damaged by external forces.

2. Safety: Since polymer batteries use soft packaging and contain a small amount of liquid electrolyte, if unfortunately there is a problem with the battery, the battery se will expand, causing a poor fit between the battery plates and causing an open circuit. And if the situation is more serious, the joints will crack and release pressure, reducing the risk of explosion and fire. Although lithium batteries encapsulated in metal shells also have a pressure relief port, the risk of explosion and fire will be higher when the pressure or temperature is too high.

3. Lifespan: In early Ericsson polymer batteries, after a few months of use, the battery often swells significantly and its performance drops instantly. With the advancement of technology, the lifespan of current high-quality polymer batteries has also improved a lot, but it is still inferior to the same level of lithium polymer batteries.

4. Price: In terms of production technology and cost, polymer batteries are plus higher than lithium batteries.

For reference.

Will lithium polymer batteries explode

Answer: Lithium polymer is a good thing.

Compared with lithium-ion batteries, lithium polymer batteries have better safety, better operating temperature range, better life and better environmental performance, so that mobile power supplies with lithium polymer battery are a little better.

Thecharacteristics of lithium polymer batteries are as follows:

1. Relatively improve the problem of battery leakage.

2. Can be made into slim batteries.

3. Batteries can be designed in different shapes.

4. Can be transformed into a single high voltage.

5. The discharge capacity is 10% higher than that of lithium-ion batteries of the same size.

Detailed information:

Lithium polymer battery, also known as lithium polymer battery, is a chemical battery. Compared with previous batteries, it has the characteristics of high energy, miniaturization and light weight.

Lithium polymer batteries are ultra-thin and can be made into batteries of different shapes and capacities to meet the needs of certain products. The theoretical minimum thickness can reach 0.5 mm.

The difference between polymer batteries and lithium batteries

It will not explode.

Most lithium polymer batteries are soft plastic rechargeable batteries, and the plastic shell is aluminum-plastic film. When organic chemistry lithium battery electrolyte is applied internally, even if the liquid is hot, it will not explode.

The lithium poly batterymother is also called lithium polymer battery. Judging from the appearance and appearance, the polymer lithium battery is an outer packaging box with a plastic steel casing, which is different from the plastic casing of liquid lithium batteries. Plastic steel housings are often chosen. The key is that lithium polymer batteries use colloidal chemical solutions to help the rechargeable battery's pole pieces adhere to or absorb the lithium battery's electrolyte, thereby greatly reducing the battery's use of liquid electrolyte lithium.

Polymer batteries and lithium batteries have differences in raw materials and shape.

1. The raw materials are different. The raw materials for lithium-ion batteries are electrolytes (liquids or colloids); lithium ion battery raw materialslymer are electrolytes, including polymer electrolytes. (solid or colloidal) and organic electrolyte.

2. Different forms. Lithium ion polymer batteries can be thin, in any area and in any shape, the reason is that the electrolyte can be solid or colloidal rather than liquid, whereas lithium ion batteries. can When using electrolyte, a solid shell is required as secondary packaging to contain the electrolyte.

Advantages of lithium polymer batteries

1. Good safety performance. The structure of lithium polymer batteries uses soft aluminum-plastic packaging, which is different from the metal casing of liquid batteries. When a safety hazard occurs, lithium-ion batteries explode easily, while polymer batteries only swell or, at best, explode. be burned.

2. A small thickness cane make thinner, ultra-thin, the thickness can be less than 1mm and can be assembled into a credit card. There is a technical bottleneck in the thickness of ordinary liquid lithium batteries less than 3.6mm, and the 18650 battery has a standardized volume.

3. Lightweight and large capacity. Batteries using polymer electrolytes do not need metal shells as protective outer packaging. Therefore, when the capacity is the same, they are 40% lighter than steel shell lithium batteries. 20% lighter than aluminum shell batteries. When the volume is generally large, the capacity of polymer batteries is larger, about 30% higher.

4. The shape can be customized. The thickness of the polymer battery can be increased or reduced according to actual needs. For example, a new laptop from a famous brand uses polymer batteries trapezoidal to take full advantage of it. interior space.

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