What Is A Lipo Battery Lithium Polymer Battery?

Lithium polymer battery, also known as polymer lithium battery, is a chemical battery.

Compared with the previous battery, Lithium Polymer Battery has the characteristics of high energy, miniaturization and light weight. Lithium polymer batteries have ultra-thin characteristics, and can be made into batteries of different shapes and capacities to meet the needs of some products. The theoretical minimum thickness can reach 1mm.

The three elements of a general battery: positive electrode, negative electrode and electrolyte. The so-called lithium polymer battery refers to a battery system that uses polymer materials in at least one or more of the three elements. In the lithium polymer battery system, most of the polymer materials are used in the cathode and electrolyte. The positive electrode material is a conductive polymer or an inorganic compound used in general lithium ion batteries, the negative electrode is often a lithium metal or a lithium carbon interlayer compound, and the electrolyte is a solid or colloidal polymer electrolyte or an organic electrolyte. Since there is no excess electrolyte in the lithium polymer, it is more reliable and stable.

Compared with lithium-ion batteries, the characteristics of lithium polymer batteries are as follows:

1. Relatively improve the problem of battery leakage

2. Batteries can be designed in a variety of shapes

3. The discharge capacity is theoretically 10% higher than that of a lithium-ion battery of the same size

Lithium polymer batteries (Li-polymer, also known as polymer lithium-ion batteries) have many advantages such as high specific energy, miniaturization, ultra-thinness, light weight and high safety. Based on this advantage, lithium polymer batteries can be made into any shape and capacity to meet the needs of various products; and it is packaged in aluminum-plastic, and internal problems can be immediately manifested through the outer packaging, even if there are potential safety hazards , it doesn’t explode, it just swells. In the polymer battery, the electrolyte plays the dual function of the separator and the electrolyte: on the one hand, it separates the positive and negative materials like a separator, so that self-discharge and short circuit does not occur inside the battery, on the other hand, it acts as a positive and negative electrolyte like the electrolyte. Conduction of lithium ions between the electrodes. Polymer electrolytes not only have good electrical conductivity, but also have the characteristics of light weight, good elasticity, and easy film formation that are unique to polymer materials.

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