Battery Manufactory

The researchers developed a three-dimensional, cross-linked polymer sponge that attaches to the metal plating of a battery anode. "This project aims to develop the next generation of metal batteries," said Donghai Wang, professor of mechanical engineering and the principal investigator of the project. "Lithium metal has been tried in batteries for decades, but there are some fundamental issues that inhibit their advancement." Under additional strain, like in the fast-charging methods desired in electrical vehicles, lithium ion (Li) batteries are vulnerable to dendritic growth -- needle-like formations that can reduce cycle life and potentially cause safety issues -- including fires or explosions. "Our approach was to use a polymer on the interface of Li metal," Wang explained. The material acts as a porous sponge that not only promotes ion transfer, but also inhibits deterioration. "This allowed the metal plating to be fre...

What is a lithium battery? It is the battery used by our usual phones, computers, and digital cameras. In recent years, the aviation industry has greatly enhanced the regulations on aircraft on lithium batteries. If passengers are unclear, if they carry too many lithium batteries on the plane, they will cause great disaster at any time. So be sure to know the items about the aircraft with a lithium battery and enjoy a peace of mind. Do you want to carry it with you or check your lithium battery? Neither the power supply nor the lithium battery can be checked. It must be carried in the hand luggage and carried on the plane. Because of the increasing number of accidents caused by rechargeable batteries in recent years, many rechargeable batteries are not designed to be safe enough to cause sparks or explosions under certain conditions, so lithium batteries cannot be checked on any flight. Whether a lithium battery can be boarded depends on its configuration and its...

Lithium battery price composition The price of lithium battery is mainly composed of three major components: battery cell, protection board and outer casing. At the same time, due to the power consumption and current of the electric appliance, the material of the connecting piece between the batteries (conventional nickel sheet, formed nickel piece) The selection of copper-nickel composite sheets, jumpers, etc. will affect the cost. Different connectors may also have a greater impact on cost, and different PACK processes will also affect the cost. Factors affecting the price of lithium batteries First, the selection of cells: 1), the selection of cells for different material will affect the price of the entire lithium battery. Lithium batteries according to different cathode materials, there will be lithium manganate (3.6V), lithium cobalt oxide (3.7V / 3.8V), lithium nickel cobalt manganese oxide (commonly known as ternary, 3.6V), lithium iron phosphate (3.2V...

The reason why lithium batteries (Rechargeable) need protection is determined by its own characteristics. Since the material of the lithium battery itself determines that it cannot be overcharged, overdischarged, overcurrent, short circuited, and ultrahigh temperature charge and discharge, the lithium battery assembly will always contain an exquisite protection circuit board. Lithium battery protection function The protection function of the lithium battery is usually completed by the protection circuit board and the current device such as the PTC. The protection board is composed of electronic circuits, and the voltage of the battery core and the charging and discharging circuit are accurately monitored at -40 ° C to +85 ° C environment. Current, timely control of the current circuit on and off; PTC in the high temperature environment to prevent battery damage. Ordinary lithium battery protection circuit boards usually include control ICs, MOS switches, resisto...

1, 18650 battery is cylindrical, there is liquid inside, because of battery design and materials, 18650 is suitable for high current, so almost all notebooks, electric cars are designed with 18650 battery; only super notebook, because of energy saving, so can not be used 18650 battery and use polymer lithium battery, especially tablet computer; digital camera because of the charge and discharge of the flash requires large voltage and instantaneous high current, so only 18650 similar battery, but the volume is slightly smaller; 2, the advantages of polymer lithium battery , small size, large capacity, the disadvantage is that the life is shorter than 18650, because of the use of different designs and materials, some have liquid inside, some are dry or colloidal, and high current discharge performance Not as good as the 18650 cylindrical battery, so the need for large-capacity and small-volume electrical equipment, usually using polymer lithium batteries, the most typic...

The 18650 lithium battery definition rule is: 18650 battery diameter is 18mm, length is 65mm, cylindrical battery. 18650 lithium battery parameters: voltage: 3.6V (conventional universal battery, for electronic products, low-power electrical equipment, maximum 1C discharge. Can change the discharge current according to the situation); 3.2V (power battery can be customized according to the situation) Charging parameters: 4.2 V The minimum discharge termination voltage is generally: 2.75V, the maximum charge termination voltage: 4.20V; the capacity: 2000AMH; diameter: 18±0.2mm Benzo lithium battery 7.4V 2000mAh 18650 lithium battery pack design: Battery model: 18650-2S1P/2000mAh/7.4V Nominal voltage: 7.4V Nominal capacity: 2000mAh (0.2C discharge to 5.5V) Factory voltage: 7.2V~7.8V Product size: 65×18×18mm Internal resistance of finished product: ≤250mΩ Shelf life: 12 months Working temperature: 0~45°C (charge), -20~60°C (discharge) Battery charging: Charging ...

With the promotion of social energy conservation and environmental protection, more and more environmentally friendly products have been applied to the market. In the battery industry, the ternary lithium battery quickly occupied the market with numerous advantages and gradually replaced the traditional lead-acid battery. For the traditional battery, the ternary lithium battery has the advantages of long life, energy saving, no pollution, low maintenance cost, complete charge and discharge, light weight, etc. It is said that the life of the ternary lithium battery is long and to what extent? Ternary lithium battery life The so-called lithium battery life means that after the battery has been used for a period of time, the capacity is attenuated to 70% of the nominal capacity (room temperature 25 ° C, standard atmospheric pressure, and battery capacity discharged at 0.2 C), and the end of life can be considered. In the industry, the cycle life is generally calcu...