Battery Manufactory

The use of lithium batteries is restricted in low temperature environments. Except for the severe deterioration of discharge capacity, lithium batteries cannot be charged at low temperatures. During low-temperature charging, the intercalation of lithium ions on the graphite electrode of the battery and the lithium plating reaction coexist and compete with each other. Under low temperature conditions, the diffusion of lithium ions in graphite is inhibited, and the conductivity of the electrolyte decreases, resulting in a decrease in the intercalation rate and the lithium plating reaction on the graphite surface is more likely to occur. The main reasons for the decrease in the life of lithium-ion batteries when used at low temperatures are the increase in internal impedance and the degradation of the capacity due to the precipitation of lithium ions. 1. The influence of low temperature on battery discharge capacity Capacity is one of the most important parameters of a lithi...

The full name of lithium iron phosphate battery is lithium iron phosphate lithium ion battery. Because its performance is particularly suitable for power applications, the word "power" is added to the name, that is, lithium iron phosphate power battery. And do you all know the charging skills of lithium iron phosphate? The following will introduce you to the charging skills of lithium iron phosphate batteries. 1. First of all, we need to understand the structure and working principle of lithium iron phosphate batteries . LiFePO4 is used as the positive electrode of the battery. It is connected to the positive electrode of the battery by aluminum foil. In the middle is a polymer separator, which separates the positive electrode from the negative electrode, but lithium ions can pass through and electrons cannot pass. On the right is the negative electrode of the battery composed of carbon (graphite), which is connected to the negative electrode of the battery by...

There may be two basic reasons for the expansion of lithium-ion batteries. The first reason is the level of production technology of polymer lithium-ion batteries: the metal electrode coating is not uniform and the processing technology is relatively rough. Another reason may be the problem of overcharging and overdischarging. Li-ion battery bulge reasons: 1. Bulge caused by overcharge Overcharging will cause all the lithium atoms in the positive electrode material to run into the negative electrode material, causing the originally full grid of the positive electrode to deform and collapse, which is also an important reason for the decline in the power of the lithium-ion battery. In this process, there are more and more lithium ions in the negative electrode, and the excessive accumulation makes the lithium atoms grow out of the tree stump crystals, which makes the lithium ion battery swell. 2. Bulge caused by over discharge During the first charge and discharge of the...

Lithium-ion batteries are divided into two categories: non-rechargeable batteries and rechargeable batteries. Non-rechargeable batteries are called disposable batteries. Disposable batteries can only convert chemical energy into electrical energy, but cannot restore electrical energy to chemical energy (or have poor reduction performance). Rechargeable batteries are called secondary batteries. It can convert electrical energy into chemical energy and store it. When used, the conversion of chemical energy into electrical energy is reversible, which is an important feature of electrochemical lithium-ion batteries. Pay attention to fire prevention while using lithium-ion batteries. Many people may become familiar with lithium-ion batteries from their mobile phones. In fact, it is used in many household appliances. There is no doubt that lithium-ion batteries are being used rapidly due to their high efficiency and lightness. However, if the lithium battery is used accidenta...

A high-rate battery means that the battery can be discharged at a high current. The high-rate charge-discharge performance of a lithium battery is closely related to the migration ability of lithium ions at the electrode, electrolyte and their interface. All factors affecting the migration speed of lithium ions will definitely affect the high rate of the battery Charge and discharge performance. Advantages of high-rate lithium-ion batteries ① It has the characteristics of excellent high-current discharge performance, sufficient power, high discharge platform, and good cycle life; ② It has high energy density and adopts lamination technology. Because of its low internal resistance, it is more conducive to high rate charge and discharge and high efficiency output performance; ③ Supply a higher discharge rate, up to 45C, and have better temperature stability during discharge, which is controlled within 65 degrees Celsius to prevent overheating and damage; ④ The lithium...

The working principle of the vacuum cleaner is to use a motor to drive the blades to rotate at a high speed, and negative air pressure appears in the sealed casing to absorb dust. The cordless vacuum cleaner can complete the vacuuming work without a power cord. Just like a mobile phone, it uses the built-in battery to keep the machine running. There is no need to look for power everywhere, let alone worry about the baby at home being tripped by the wire. Cordless vacuum cleaners generally use power lithium-ion batteries, which are composed of several 18650 lithium-ion batteries in series and parallel to form a lithium-ion battery pack. The lithium-ion battery protection board has protection functions such as over-charge, over-discharge, over-current, and short circuit. Give full play to the safety and stability of the power lithium-ion battery pack. It can work continuously for up to 2040 minutes on a single charge. The advantages of power lithium-ion batteries are lar...

Lithium batteries are widely used in electric tools, lighting, wind energy storage, electric cars, toys, instrumentation, UPS backup power, communication equipment, medical equipment and special lamps. So what is the price of lithium batteries? How do lithium battery manufacturers in the market price lithium batteries? What is the price of lithium batteries? How do lithium battery manufacturers price lithium batteries? The pricing of lithium batteries is based on capacity, which is calculated per 1000mAh (1Ah). According to current standards, the average price of lithium batteries on the market ranges from US$0.9-1.5 per 1000mAh when they leave the factory, and the average price is around US$1.3. Moreover, the production difficulty and price of different materials of lithium batteries are different. Including lithium cobaltate, lithium manganate, lithium nickelate, lithium iron phosphate, ternary and other materials. For example: Lithium cobalt oxide usually costs 1.3 U...