As people use more and more electric vehicles, some problems with the characteristics of electric vehicles are also highlighted. A lot of users said that they were full of electricity, but they were not used for a week, and they became more than 90% when they were used. What has actually happened?
In the case of self-discharge, technicians specializing in the production of electric vehicle batteries said that self-discharge is a common situation in electric vehicle batteries. This is not a defect of the product itself. Each battery will self-discharge one percent per day. Electricity.
Cause of self-discharge
1, the reason for its own design
No matter whether it is a lead-acid battery or a lithium battery, there will be self-discharge. This is one of the characteristics of the product. It is caused by some changes in the positive and negative ions in the electrolyte during storage. worry.
2, the reason for the electrolyte is not pure
In the process of producing batteries, each electric vehicle battery manufacturer uses a lead-acid electrolyte solution, but the concentration and purity of the electrolyte used between them are greatly different. The regular large-scale manufacturers like the Xu Pai battery use a battery with a very high purity, which basically does not contain other impurities. The self-discharge rate of the battery they produce is very slow, even lower than that of the battery in the industry. Self-discharge average, and some small manufacturers or non-regular manufacturers of electric vehicle batteries because of the impurities contained in the electrolyte, their self-discharge rate is very fast, in a few days, just full of electricity is consumed .
3, the battery itself has a problem or external factors
Anyone who knows the battery of an electric vehicle understands that when the wires in the battery form a bridge with some external bodies, it is easy to have a relatively strong discharge phenomenon, or accidentally put the wire, copper wire, etc. on the battery, causing a positive The connection of the negative electrode also causes a discharge.
How to effectively avoid battery self-discharge?
1, do a good job
Users should pay attention to the daily maintenance of the battery, check its cleanliness and integrity, and charge it in time when it finds that the battery is less than half.
2, buy a good reputation products
Consumers should buy battery products with good reputation, good quality and high product influence in the market, such as Xu Pai batteries with many agents and retail outlets, batteries of different models and capacities for consumers to choose, more important Its superior endurance and service life saves consumers a lot of money.
3, daily use to do light handling
When installing or handling the battery, it should be handled gently, to avoid the wires inside the battery from coming into contact with the outside world, and to prevent the external metal from connecting to the positive and negative poles.
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