As a LiFePO4 Battery Supplier, share with you. The interior of a lithium-ion battery is mainly composed of a positive electrode, a negative electrode electrolyte, and a separator. The positive, negative electrode, and electrolyte of a lithium-ion battery will have different performances and different names depending on the materials used. At present, the more common lithium batteries on the market are divided into LiCoO2 and LiMn2O4, and the main character LiFePO4 in this article.
As a type of lithium battery, the main use of lithium iron phosphate is in the field of power systems, such as electric vehicles, military aerospace, power tools, and UPS. Due to its excellent structural stability, safety performance and long service life, it is more suitable Used in the field of power systems. Compared to lithium-ion batteries using other cathode materials, LiFePO4 Battery has at least five advantages.
1. Safety and Longevity
Compared to the more common lithium cobaltate and lithium manganate batteries currently on the market, lithium iron phosphate batteries have at least the following five advantages: higher safety, longer life, no heavy and rare metals, support Fast charging and wide operating temperature range.
2. Higher security
The iron phosphate force completely solves the safety hazards of lithium cobaltate and lithium manganate. It is manifested in that the bonding force of the phosphate chemical bond is stronger than the traditional chemical bond of the excessive metal oxide structure, so the structure is more stable and it is not easy to release oxygen.
3. Longer service life
At present, the lithium-ion batteries used in most mobile power sources on the market have a cycle life of about 500-800 times, while lithium iron phosphate batteries have a service life of at least 2000 times and their capacity can be maintained at 80. %the above. Therefore, if the internal power storage unit of the mobile power supply is a product of lithium iron phosphate, it has an absolute normal life advantage.
The lithium iron phosphate battery cathode material does not contain precious metals and rare metals, so it is more environmentally friendly and can effectively reduce environmental pollution.
4. Fast charging speed
In terms of charging speed, lithium iron phosphate also has a greater advantage, and its support for fast charging allows it to support a charging speed of at least 2C. Can greatly reduce the charging time. At present, most mobile power supplies on the market use a standard charging voltage of 5V, and the charging current is usually 0.2C.
5. Wider operating temperature range
Compared with other lithium batteries, lithium iron phosphate batteries have a larger operating temperature range, which can work normally at -20 ° C to + 75 ° C. Some lithium iron phosphate batteries with high temperature resistance can also be used at 350 Normal operation in the range of ° C to 500 ° C has more advantages than the 200 ° C limit of lithium manganate and lithium cobaltate.
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