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Lithium battery vs lead-acid battery, who will be better?
The 'E-Bike Safety Technical Specification' has been formally implemented on April 15 this year! This is another game between lithium batteries and lead-acid batteries in the electric bicycle market. In this game, lithium batteries are gradually gaining the upper hand, and we can even predict that in the future micro electric vehicle market Most of the products that will appear are products equipped with lithium batteries. Of course, these products are produced in accordance with relevant national regulations and requirements, but are they still the first scooter that people need? Does it deviate from the original intention of the market? It goes without saying.
According to the requirements of the 'new national standardLead-acid batteries are replaced with lithium batteries. Three years ago, industry experts predicted that in the field of manufacturing electric vehicles, lithium batteries could replace about 20% of lead-acid batteries in 2015, and could replace about 30% of lead-acid batteries within five years. However, today, the actual replacement of lead-acid batteries by lithium batteries is less than 10%, and it will be very difficult to achieve the goal in the next two years.
Compared with lead-acid batteries, lithium batteries have the advantages of high energy density, long life, small size, light weight, etc., but apart from these, lithium batteries do not have much other advantages Advantage.
First of all, the price of lithium batteries is higher, and its price is about three times that of lead-acid batteries, which is unacceptable to most people; secondly, lithium batteries are used in practical projects. , Can not withstand drops, throws and impacts. Once the lithium battery is pierced in this situation, it is extremely likely to burn and explode; finally, the lithium battery has extremely high requirements for the charger, and it cannot be like lead-acid The battery is charged with a coin charger on the side of the road, because once the current is too large, the protective plate in the lithium battery is very likely to be broken down, causing combustion or even explosion.
People familiar with the battery industry know that lead-acid batteries are easy to recycle, and the recycling rate is high. There are no explosive substances in lead-acid batteries, and the production cost is also high. It is relatively low and cheap. With the development of technology, the production technology of lead-acid batteries is very mature, pollution is controllable, and stable recycling can be formed. This is also an important reason why lead-acid batteries can continue to maintain strong market vitality.
Correspondingly, the recycling of lithium batteries is difficult. Although the lithium battery technology is mature, domestic manufacturers have not yet reached the stage of low-cost research and development of lithium battery materials. In the next three to five years, the price of lithium batteries may be difficult to compete with lead-acid batteries and win consumer recognition. Relatively difficult. Therefore, it is an inevitable trend to replace lead-acid batteries with lithium-ion electric bicycles in the future, but under this inevitable trend, there will be a longer process.