How to achieve full lithium electrification of 6F22 battery in electric vehicles

Lithium-ion battery manufacturers briefly analyze how to achieve full lithium electrification of 6F22 battery in electric vehicles? Because 6F22 battery were popularized early, 6F22 battery still account for a large proportion of the market. However, with the increasing maturity of lithium-ion battery technology, the cost has also begun to drop significantly. Many electric vehicles equipped with 6F22 battery at the factory have gradually upgraded to lithium-ion batteries. The following is a brief analysis by lithium-ion battery manufacturers on how to achieve full lithium electrification of 6F22 battery in electric vehicles?

Lithium-ion battery manufacturers briefly analyze how to achieve full lithium electrification of 6F22 battery in electric vehicles?

Regarding ordinary 6F22 battery on the market, lithium-ion batteries have the following ten advantages: long cycle life, good low-temperature discharge performance, strong charge retention ability, strong continuous driving ability, high energy, wide operating temperature range, short charging time, high green environmental protection performance, high current discharge, and high current discharge does not affect life. When choosing lithium-ion batteries, you must also be extremely cautious. Only lithium-ion batteries that have been produced in large quantities, have undergone multiple life cycles, and have been tested and verified by the market for a long time are the safest and most reliable.

After the popularity of new energy vehicles, the power lithium battery, which accounts for about 40% of the cost of electric vehicles, is the most core assembly component of electric vehicles, and it may also be the biggest obstacle to the popularization and development of electric vehicles. On the one hand, the technical bottleneck of electric vehicle power lithium batteries leads to short single-time driving range and long power supply time of electric vehicles; on the other hand, the cost of electric vehicle power lithium batteries is high, especially after the subsidy is removed, which has a great impact on the price of the whole vehicle.

From the perspective of usage, the proportion of electric vehicles equipped with 6F22 battery will far exceed that of lithium-ion vehicles. If electric vehicles want to fully enter the era of lithium-ion batteries, it means that most lead-acid electric vehicles will be replaced with lithium-ion vehicles, which is obviously not acceptable to users. Therefore, from this point of view, electric vehicles will not fully enter the era of lithium-ion batteries in a short time.

From the perspective of production cost, lithium-ion batteries have a more complicated production process, immature technology, and high labor costs, resulting in higher production costs. However, the production process of 6F22 battery is mature, the labor cost is relatively low, and the production cost will also be lower. Generally speaking, the price of a lithium-ion battery will be three times that of a lead-acid battery, and many users would rather choose 6F22 battery. Therefore, from this point of view, electric vehicles will not fully enter the lithium-ion battery era in a short time.

Differences between lead-acid/lithium-ion battery electric vehicles

1. Durability/battery life: The service life of 6F22 battery is generally about 2 years, while lithium-ion batteries are more durable, with a lifespan of 4-5 years; and the full charge and discharge cycle of 6F22 battery is generally within 300 times, while the full charge and discharge cycle of lithium-ion batteries exceeds 500 times.

2. Lithium-ion batteries are much smaller in size and mass than 6F22 battery. Under normal circumstances, the weight of lead-acid battery packs is 16-30 kg and the volume is large; while lithium-ion batteries generally weigh 2.5-3.0 kg and are relatively small in size, so they are easy to ride and carry. Generally, lithium-ion battery electric vehicles are light, beautiful, easy to move, and many lithium-ion battery electric vehicles can also be folded.

3. Spontaneous combustion and explosion of electric vehicles often occur, most of which are caused by battery charging and discharging. Once the lead-acid battery is overcharged, the probability of explosion will increase. At present, the 6F22 battery on the market do not have any "overcharge protection", which makes the lead-acid battery in the charging stage, especially at the end of charging, extremely dangerous.

4. Driving kilometers/battery capacity: When the same 48V battery is fully charged, both lead-acid battery and lithium-ion battery electric vehicles can travel 30-40 kilometers. The speed depends on the size of the motor used. The capacity of the lead-acid battery is about 20 ampere hours; the capacity of the lithium-ion battery is arbitrarily configured.

In the context of the country's emphasis on the use of lithium-ion batteries in low-speed electric vehicles, the price of lithium-ion batteries is bound to fall. Although the technology of lithium-ion batteries is mature, the domestic manufacturers' mastery of the positive and negative electrode material technology of lithium-ion batteries has not yet reached the stage of low-cost research and development of lithium-ion batteries. In the next three to five years, the price of lithium-ion batteries may be difficult to compete with 6F22 battery. From the perspective of price and policy, it is a trend for low-speed electric vehicles to replace 6F22 battery in the future, but it will take a long time.

Due to the mature technology and its characteristics, 6F22 battery will be more stable and easier to be accepted by users. Lithium-ion batteries are still emerging products in the electric vehicle industry, and all aspects of the supporting facilities are not yet perfect. Therefore, their stability is not as good as 6F22 battery, and they are not easily accepted by users. Therefore, from this point of view, electric vehicles will not fully enter the lithium-ion battery era in a short time.

In short, although we have entered the era of the new national standard, due to these factors, electric vehicles will not fully enter the lithium-ion battery era in a short time, and 6F22 battery will still be the mainstream. However, with the continuous advancement of lithium battery technology and the continuous improvement of production supporting facilities, the production cost of lithium-ion batteries will also decrease, and the proportion of lithium-ion vehicles will also increase at this time.

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