In recent years, consumer recognition of new energy vehicles is growing, but some people have concerns about the safety of new energy vehicles, especially electric vehicle power batteries, even for the safest lithium ferro phosphate battery pack also has doubts.

1. How safe are lithium ferro phosphate batteries? Will there be an explosion?

Whether the lithium ferro phosphate battery will "explode" depends on whether there are conditions for explosion in the daily electric vehicle scene. The explosion requires the presence of sufficient oxygen, the concentration of combustibles that meet the standard, the source of ignition and the limited space to occur.

As far as the lithium ferro phosphate battery itself is concerned, it benefits from the properties of the battery material itself. Only when the battery temperature is at a high temperature of 500-600 ° C, its internal chemical composition begins to decompose. Compared with the high nickel material of the ternary lithium battery, it begins to decompose and release oxygen at about 200 ℃, and the lithium ferro phosphate battery is much safer. This is because the PO bond in the lithium ferro phosphate battery crystal is stable, even at high temperature. It will form a strong oxidizing substance. Under the limited oxygen supply of the battery compartment, it cannot instantly generate high temperature by itself, and it is difficult to meet the conditions of explosion. The lithium ferro phosphate battery itself has good safety.

2. Advantages of lithium ferro phosphate batteries

The biggest advantage of lithium ferro phosphate battery is that because it does not contain precious metals and rare metals, the manufacturing cost is lower, the working temperature during charging is wider, and it supports higher charging power.

The lithium ferro phosphate battery has relatively high safety performance, the advantages are long life, good high temperature performance, large capacity, light weight, etc. The volume of the lithium ferro phosphate battery with the same specification and capacity is 2/3 of the volume of the lead-acid battery, and the weight is the lead-acid battery. 1/3 of .

3. Limitations of lithium ferro phosphate batteries

However, some experts said that the environmental pollution caused by lead-acid batteries mainly occurs in the non-standard production process and recycling process of enterprises. Similarly, although the lithium ferro phosphate battery belongs to the new energy industry, it cannot avoid the problem of heavy metal pollution. Lead, arsenic, cadmium, mercury, chromium, etc. in the processing of metal materials may be released into dust and water. The battery itself is a chemical substance, so it may cause two kinds of pollution: one is the process waste pollution in the production project; the other is the battery pollution after scrapping.

Lithium ferro phosphate batteries also have their shortcomings: for example, low temperature performance is poor, the tap density of positive electrode materials is low, and the volume of lithium ferro phosphate batteries of equal capacity is larger than that of lithium ion batteries such as lithium cobalt oxide, so it has no advantages in micro batteries. When used in power batteries, lithium ferro phosphate batteries, like other batteries, need to face the problem of battery consistency.

In general, lithium ferro phosphate batteries have great advantages over other types of batteries. At present, lithium ferro phosphate batteries are widely used in new energy and energy storage, and have a broad market.