3.7v 3000mah 18650 battery

　　Types and differences of 3.7v 3000mah 18650 battery

　　1. Classification according to battery positive and negative electrode materials.

　　1. Lithium cobalt oxide battery: Its high specificity enables lithium cobalt oxide battery to be used in mobile phones. Due to the excellent chemical formula of lithium cobalt oxide batteries, the battery structure is stable, the volume is relatively high, and the comprehensive performance is outstanding. However, its safety factor is poor and the cost is also high. It is mainly used for large and medium-sized 3.7v 3000mah 18650 battery and is widely used in China. For small and medium-sized electronic products such as notebooks, smartphones, MP3/4s, laptops, and digital cameras, the product performance is particularly stable, the battery charging maximum power voltage is always normal, the comprehensive performance is outstanding, and the working voltage is normal.

　　2. Lithium manganate battery: Lithium manganate battery can be charged and discharged at a current of 20-30A, and has suitable heating standards. Although low cost, high safety, and good low-temperature properties, the material itself is unstable and easily dissolves to produce gas. Therefore, it is often mixed with other materials to reduce the cost of 3.7v 3000mah 18650 battery, but its cycle life decay rate is relatively low. It is fast, easy to swell, has weak high temperature performance and short service life. It is mainly used for small 3.7v 3000mah 18650 battery. In terms of power 3.7v 3000mah 18650 battery, its nominal voltage is the working voltage. Lithium manganate battery parts for pneumatic tools, medical equipment, and hybrid and new energy vehicles.

　　3. Lithium iron phosphate battery: Lithium iron phosphate battery has excellent safety photoelectrocatalytic properties and small resistor. The relative density of electric energy is high. If a manufacturer with good winding production technology can increase its production capacity, it can reach 185 watts/kg. The safety factor is very good. During the whole process of battery charging, the structure of the internal battery will not change greatly, and there will be no violent explosion. Even if there are accidents such as short circuit failure, overcharging, being hit, etc. Very safe.

　　2. General classification of 3.7v 3000mah 18650 battery based on internal structural materials.

　　1. Lithium metal battery: Lithium metal battery generally uses manganese dioxide as the positive electrode material of the battery, metallic lithium or its alloy steel metal as the negative electrode material of the battery, and the battery uses a non-aqueous electrolyte reaction solution.

　　2. Lithium-ion battery: Lithium-ion battery is generally a rechargeable battery that uses lithium alloy steel metal oxide as the battery positive electrode material, high-purity graphite as the battery negative electrode material, and uses non-aqueous electrolyte.

　　3. Classify according to shell material.

　　1. One is a battery with a steel casing, which is simply a steel casing. Most manufacturers use steel as the material for battery casings. Since the physical stability and compression resistance of steel materials are much higher than that of aluminum casing materials, safety devices have been installed after the reliable design and structure of each manufacturer. When it comes to 3.7v 3000mah 18650 battery, the safety factor of aluminum-shell column-type rechargeable batteries has reached a new height.

　　2. Another type, aluminum-cased battery. In the same way, the casing is made of aluminum. Aluminum shell rechargeable batteries are either shell type or soft shell type. There are many kinds of battery cathode materials. It depends on which one you like to use. The areas where different materials are used are different.

　　3. Polymer lithium battery, the casing is made of polymer material, most of which are silver, and a few are black and gray, which are called black leather in the industry. It is mainly used in car electronics (GPS tracking batteries, tire pressure check batteries, driving recorder batteries, shared bicycles, solar energy storage lights, low-temperature radios, etc.

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