How to connect the five wires of 3.7 lithium audio battery

Introduction How to connect the five wires of the 3.7 lithium audio battery. The five wires of the 3.7V lithium audio battery are connected as follows: 1. Positive electrode (red wire): The positive electrode is connected to the anode of the battery for power supply.

How to connect the five wires of 3.7 lithium audio battery

The five wires of the 3.7V lithium audio battery are connected as follows:

1. Positive electrode (red wire): The positive electrode is connected to the anode of the battery and is used to charge the battery.

2. Negative electrode (black wire): The negative electrode is connected to the cathode of the battery and is used to discharge the battery.

3. Signal lines (three): These three lines are signal lines used to detect battery voltage, current and other parameters.

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

During the whole battery charging process, the lithium-containing compound in the positive electrode changes. Lithium loses an electron and becomes a lithium ion (Li+). The lithium ion is released from the positive electrode material. filled between the two electrodes passes through the medium, the lithium ions movet from the positive electrode to the negative electrode and are finally embedded in the material of the negative electrode at the other end of the battery. Suneng and lithium battery manufacturers present that at this stage, the battery cathode material is a lithium-rich situation. In addition, the electronic devices in the external circuit of the rechargeable battery also transmit from positive to negative. When the electronic devices in the external circuit operate negative, the Li+ in the raw material is reduced to Li. All rechargeable battery systems are in a state of charge balance. The whole process of charging is opposite to the process of discharging. Throughout the process, lithium-ion batteries are less likely to destroy their lattice constants and chemical structures throughout the insertion and sliding process.

What are the common lithium-ion batteries on the market?

The unique energy storage technology material of lithium batteries is the cathode material. The energy ratio of a rechargeable battery system depends on its specific energy and compatibility. Since its commercial application, most battery cathode materials are carbon materials, and more are high purity graphite. On the other hand, the choice of battery cathode materials is wide. With the development of new energy vehicles all over the world, in order to find more powerful battery work capacity, higher energy ratio and longer life, it has also become the overall goal of various manufacturers of power lithium-ion batteries, which led to the sales of electrode materials in the scientific research and development trends in the market are still hot.

Currently, several cathode materialss used in new energy vehicles are:

1. Lithium cobalt oxide (LiCoO2)

Lithium cobalt oxide is the first commercial lithium-ion battery cathode material because it can be made by manufacturers in a short time and is suitable for industrial chain promotion, so it is the first commercial battery cathode material. However, due to the low specific capacity of cobalt and the low cost of cobalt resources, cobalt has toxic side effects, which limits the development trend of lithium and cobalt metal oxides.

2. Lithium manganese oxide

Lithium manganese oxide is mainly composed of LiMnO2 and LiMn2O4. the oxides of limno2 and limn2o4 mainly transform from layered structure to spinel structure, the volume attenuation coefficient is not high. Moreover, theRaw materials will continue to be produced, generating lattice constants, which will lead to rapid decay coefficients of cell volume. Application costs are therefore high.

3. Lithium nickel manganese oxide

Because manganese does not produce valence state changes in the battery charge and discharge cycle system, it has the role of stabilizing the structure, while the high voltage can produce higher kinetic energy, but also increases the unwanted reactions between the metal electrode and the electrolyte solution , leading to poor thermal resistance.

4. Lithium iron phosphate

Lithium phosphate battery raw materials have excellent production technology, low cost, stable structure and are easy to use while charging the battery. The structure does not change significantlyificative throughout the cycle.

However, its development trend also has some disadvantages: (1) The conductivity of electronic devices is low and the thermal diffusion coefficient of lithium-ion batteries is low, which which limits its ability to charge batteries at high current. (2) During the high temperature calcination process, the compound is easily converted into ferric hydroxide, causing short circuit failure of the rechargeable battery. (3) The bulk density of lithium phosphate batteries is; low, and the vibration density of commercial products is only 1.0 gcm-3, and the volume is small.

5. Ternary materials (li-ni-co-mn-o)

In recent years, due to nickel, Different proportions of cobalt and manganese can expand the cathode materials of ternary batteries, so that different types of raw materials presenthave different advantages and disadvantages.

The differences between lithium polymer batteries and ordinary rechargeable batteries are as follows:

1. Regular Rechargeable Batteries: Lithium-ion batteries, commonly referred to as “lithium batteries,” are the best battery systems with the best overall performance. The cathodes of lithium-ion batteries are carbon materials such as graphite. The anode is a transition metal oxide and lithium.

2. Lithium polymer battery: Lithium polymer battery is a new type of battery that entered the market in 1999. Lithium polymer batteries are a solid polymer rather than a liquid electrolyte, and the rest are basically the same as lithium ion batteries .

3. Lithium polymer batteries are larger than lithium batteries and have no memory effects (lithium ion batteries have memory effects, but ethey are relatively small). Lithium polymer batteries are actually a gel-like substance that is easy to manufacture and contains no harmful heavy metals. This is a “green battery”.

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