Lithium cobalt oxide batteries are a branch of lithium-ion batteries. Other types include lithium manganese oxide batteries, ternary lithium batteries, and lithium iron phosphate batteries. Compared to other types of lithium-ion batteries, lithium cobalt oxide batteries have the highest capacity.
Lithium cobalt oxide batteries have a stable structure, high specific capacity, and outstanding overall performance, but they have poor safety and very high cost. They are mainly used in small and medium-sized cells and are widely used in small electronic devices such as laptops, mobile phones, and MP3/4 players. The nominal voltage is 3.7V.
I. Characteristics of Lithium Cobalt Oxide Batteries
1. Excellent electrochemical performance
2. Excellent processing performance
3. High tap density helps improve the volumetric capacity of the battery.
4. The product has stable performance and good consistency.
II. Parameters of Lithium Cobalt Oxide Batteries
Standard discharge duration current: 0.2C
Maximum discharge duration current: 0.5C
Operating temperature: Charging: 0~45℃
Discharge: -20~60℃
Product dimensions: MAX 15*29*51mm
Finished product internal resistance: ≤180mΩ
Lead wire type: GB standard wire UL1571/26#, wire length 100mm
Protection parameters: Overcharge protection voltage/per string 4.28±0.025V
Over-discharge protection voltage: 2.4±0.1V; Overcurrent value: 3~7A
III. Applications of Lithium Cobalt Oxide Batteries
The application of lithium cobalt oxide batteries is still relatively limited. The technology for using lithium cobalt in small batteries is very mature, but the cost of lithium cobalt is too high. Many companies use lithium manganese as a substitute, and some are entirely made of lithium manganese.
Lithium cobalt oxide boasts stable performance and is the most mature technology for applications in mobile phones and other devices. However, its biggest drawback is its high cost, as cobalt is a relatively scarce strategic metal. Furthermore, its application in power batteries presents certain challenges. Lithium cobalt oxide batteries are primarily used as the positive electrode material in lithium-ion batteries for mobile phones, laptops, and other portable electronic devices.
