The battery capacity of electric vehicles decline, can it be repaired by itself?

There are two ways to repair the battery and repair the battery.

The battery repair machine cannot repair all the batteries, just like people, if you get sick, not all diseases can solve the problem, but also surgery can cure, but also have cancer cannot be cured . Not all batteries can be repaired. The batteries such as broken grids, broken poles and perforations cannot be repaired with a repair machine. For example, such batteries must be refurbished, the battery cover is opened, the plates are replaced, and the partitions are added liquid and other methods can repair the battery.

Before we repair the cell through cell detector by dividing the battery, battery whether can repair. If can be repaired, is to use battery or battery refurbishment repair machine.

Battery sulfide is shown as: low voltage battery itself and charging for a while is full, discharge was soon gone.

The battery softens as follows: the internal liquid of the battery is cloudy and black. The battery capacity is reduced, and the lead powder falls off after a long time and a long time.

Battery open circuit (off grid, virtual welding) is shown as: when the battery still measure the voltage of 12 v, but the high discharge current, voltage of 0 v.

Battery short circuit is shown as: it with all of the battery discharge, if a single grid have bubbles, and other basic no, means that the grid is broken.

If battery without power. Check it with all discharge, there is no meaning, because you can't tell if battery is broken, the attention off, check only used in battery electric power. Broken of the battery, the power capacity is small, the output current is not big, cannot be applied to large current electricity equipment such as auto starter, little discharge, the voltage drop, instantly after charging, for low power devices, in a short period of time with a line still, if you place a period of time, the battery is power off. Battery repair, applies only to the battery of the plate surface sulfide, not broken, broken, such as battery. Can go to the "emperor" battery repair net to look at, with video.

1. The imbalance

Repair method: Find the battery with the capacity, voltage, self-discharge, battery internal resistance and so on.

2. The water loss

Repair method: pry open at the top of the battery cover plate. Some battery cover plate is ABS adhesive joint. Some of the battery is connected. Have a plenty of skateboarding. Pay attention to pry open cover, don't damage the cover plate. Then you can see 6 exhaust valve rubber caps. Open the rubber cap to expose the vent hole, and the inside of the battery can be seen through the vent hole. Some battery exhaust valve bases can be unscrewed, and the exhaust valve base can be unscrewed without opening the rubber exhaust valve. Some batteries have some filler around the rubber cap. Open the cover and light it with your hand to see if there is any dryness inside the hole, that is, if the battery loses water. The distilled water is sucked into the battery through a vent hole. The water-filled battery is covered with a gas-permeable covering to cover the vent hole to prevent dust from falling into the vent hole. It is best to use medically distilled water. The principle of hydration is to keep more. Not enough can be added, the more the acid weight is reduced, the battery capacity will be insufficient. Inexperienced people can master 5mL per well. It is best to look at the plus, wet, sparkling, watery. The wetness is just right, the sparkling crystals are much more, and the water is too much.

Special note: hydrating tools using glass, such as plastic straws. It is recommended to use medical disposable syringes, easy to use and convenient measurement. Hydrating instrument cannot use any metal bearing, syringe should pull metal needles, casing section plastic pipe after use.

3. Sulfation

Repair method: The vulcanized battery is repaired with the Kedi repair instrument, and the fuzzy digital control theory is adopted. By measuring the state of the battery, the positive and negative variable frequency particles are continuously emitted while charging and discharging, and the battery is removed in 10 to 20 hours. Remove the battery after the crystallization of hard lead sulfate.

4. The plate to soften

Repair method: after check 10.5 V battery discharge, with light bulb deep discharge from 1 to 5 hours. Then use activation device, activation of repair.

5. A short circuit

Repair methods: water battery, can be punched clear will short circuit out of lead oxide! Electric vehicle batteries, can rapidly short circuit are negative, will short circuit of local burn out!

6. Open

Repair methods: 100 a test battery voltage of 0v for open circuit, with a single measurement method, measure the open place, good welding.

Open circuit with multimeter can measure the batteries!

The service life of the battery are battery repair just keep it up to normal design life. Promote battery repair of the products to any factors as well as new batteries, battery can prolong the service life of how many times, these are not scientific, also is not practical. Contain any battery damage factor, have impact on battery life, the question is how to reduce the battery damage, how to reduce the impact on battery life, the following is a simple way to introduce several kinds of electric vehicle battery daily maintenance, provide the reference for the user.

First, supplement, timing, distilled water. Users think generally, maintenance-free battery need not add water, actually this is wrong. Maintenance-free battery produces in the process of charging and large current discharge quantity of heat, heat is there will be water evaporation, while water evaporation process is slow, but over time, the amount of accumulated water evaporation can be reckoned. Therefore should give the battery hydrating every six months or so, so that the service life of the battery is extended.

Second, "use the car every day, charge it every day." Lead-acid batteries have no memory, so the rapid reduction of capacity is mainly due to some reasons such as battery vulcanization and “water loss” and “debt loss”. The battery is most afraid of “defective power” under voltage, battery often “depleted”, battery pole The board is extremely vulnerable. We found that up to 70% of the electric vehicle battery capacity is reduced by the strong current (starting current) when the electrode plate is discharged (electrical motor is particularly obvious), and the electrode plate strain is a physical damage of the battery. This damage cannot be repaired. Therefore, "every day with the car, every day charging", to ensure that the battery has sufficient voltage at any time becomes inevitable.

The stand or fall of three, often observe the charger. New battery charging process is usually 6-8 hours, after a full charge the charger will be green light, if the charging time is too long to check whether the charger voltage protection badly damaged, if damaged it shall be timely change the charger, otherwise easy to bad battery charger. In addition, the charger don't buy fast charger, quick charge for battery plate also hurt.

Fourth, the electric car starts with skill. The starting current of the electric vehicle is very large, especially the electric motor of the high-power motor, and the starting current is larger. The high current is very harmful to the battery plate. The best way is to start the electric car before riding, just like riding a bicycle. Of course, many electric motorcycles do not have a riding device, and there is no way.

Fifth, use battery protector as soon as possible. Battery protector is the pulse generator, for pulse continuously eliminate battery sulfide, make plate always stay "clean", so as to achieve the effect of extending the service life of the battery, but battery plate did little damage to the big current (such as some electric motorcycle use with pulse charger, the battery life extension effect is not obvious), must add new technology to improve.

Sixth, Discharge the battery once a quarter. After the battery is used for a period of time, some active substances will inevitably sink. If the active substances are not activated in time, it will inevitably have some impact on the capacity of the battery. Therefore, when using the electric vehicle frequently, it is necessary to make the battery every season. Please deep discharge once.

Seventh, when charging the battery for a long time, charge the battery at least once a month. The purpose of this is to prevent the battery from being placed for too long and causing the battery to vulcanize and "deplete".

Eighth, prevent battery from sunlight. Sunlight can make the battery temperature rise, so pay attention.

The page contains the contents of the machine translation.