18650 lithium battery applications
Author: Source: Datetime: 2016-11-24 15:41:40
In the energy battery industry, the application of Li two battery has benefited from its superior performance. With the continuous development of lithium two battery technology, has been widely used in our daily life; multiple use of rechargeable batteries more and more favored by consumers. Focus on energy battery industry, fully understand the battery to let us do "use", at present in the field of 18650 lithium battery in the following a certain application.
1, energy storage class
Mainly used in base station power supply, clean energy storage, power grid energy storage, home solar power generator systems, etc..
2, power class
Mainly refers to electric vehicles, electric bicycles, new energy vehicles, etc..
3, digital class
Mobile phone, tablet, laptop computer, electric toys, MP3/MP4, headset, mobile power charging treasure, aeromodelling, etc..
18650 lithium battery classification
18650 lithium battery production are required to protect the line, to prevent the battery from being over charged over discharge. Of course, this is a must for lithium battery, which is a disadvantage of lithium batteries, because the lithium battery materials used are lithium cobalt oxide material, and lithium cobalt acid lithium battery materials not large current discharge, poor safety, from the classification point of view, the classification of 18650 lithium battery can the way to classify.
1, according to the battery utility performance classification
Power type battery and energy type battery. Energy type battery with high energy density as the characteristic, mainly used for high energy output, such as solar power generator; power type battery with high power density as the characteristic, mainly used for instantaneous high power output, the output of the battery. The power energy lithium battery is accompanied by the emergence of plug-in hybrid car. It requires a higher energy storage battery, can support a range of pure electric driving, but also have a better power characteristics, in low power to enter the hybrid model.
Simple to understand, energy is similar to the marathon runners need plenty of stamina, requires high capacity, the large current discharge performance requirements is not high; then the power is sprinter, the fight is the explosive force, but also have the endurance capacity is too small, or ran not far.
2, according to the electrolyte material
Lithium ion batteries are divided into liquid lithium ion batteries (LIB) and polymer lithium ion batteries (PLB).
Liquid electrolyte for liquid lithium ion batteries (mostly for power batteries). Polymer lithium ion battery is a solid polymer electrolyte instead, the polymer can be dry state, can also be colloidal, at present most of the use of polymer gel electrolyte. In the strict sense, the electrode and the electrolyte are all solid.
3, according to product appearance classification
Divided into: cylindrical, soft, square.
Cylindrical and square outer packing are mostly steel shell or aluminum shell. Soft packaging for plastic film, in fact, is a kind of soft square, the market used to be referred to as soft plastic film packaging, can be called a pouch cell polymer battery.
For cylindrical lithium-ion batteries, the model is generally 5 digits. The first two digits are the diameter of the battery, and the middle two digits are the height of the battery. Unit for mm. For example, 18650 lithium battery, its diameter is 18 mm, the height is 65 mm.
4, according to the pole piece material classification
Cathode materials of lifepo4 batteries (LFP), cobalt acid lithium battery (LCO), lithium battery (LMO), (two yuan battery: lithium nickel manganese oxide / nickel cobalt acid lithium, (three yuan): LiCoxNiyMnzO2 battery (NCM), acid lithium nickel cobalt aluminum battery (NCA)).
Anode material: lithium titanate battery (LTO), graphene cell, nano carbon fiber cell.
The concept of graphene on the market, mainly refers to the graphene based cell, that is, in the pole piece to add graphene slurry, or to join the graphite coating on the membrane. Nickel acid lithium, magnesium based battery market basically does not exist.TAG: Deployment Fixed SMA Tesvolt Unlimited Volt Army Sonnen Multi-Storage Reliability Shell Manganese 200MW Ørsted Micro
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