What to do with a broken lithium battery?

Juda lithium battery - 21 years of special lithium battery custom manufacturers。Customized low-temperature 18650 battery (non-magnetic, over-acupuncture, high energy density series), low-temperature lithium iron phosphate battery (-20 recharged, over-acupuncture), which are used in special equipment, medical equipment, power testing, rail transit, unmanned equipment, special robots and other fields.

Low-temperature lithium iron phosphate battery20ah

-20 charges, over acupuncture

Charging temperature: -20 +45

Discharge temperature: -40 +55

Maximum continuous charge current: 20A

Maximum continuous discharge current: 60A

Cell size: T22*W70*L160mm

40 Support maximum discharge rate: 3C

40 3C discharge capacity retention rate 70%.

Over acupuncture cryogenic 186502200mah

Charging temperature: 0 +45

Discharge temperature: -40 +60

40 discharge capacity 70%.

Exic IIB T4 GC compliant.

Ju large low-temperature lithium batteryEquipment used in a variety of low-temperature environment operations, such as special equipment, unmanned equipment, power equipment, petrochemical, security, fire protection, rail transit, special robots and other fields.

I also just broke a piece of the connector cut off the battery has not been good How to deal with it There may be a good section broken to disassemble and afraid of danger View the original post".

Battery repair refers to the general term for the repair of rechargeable batteries whose performance has deteriorated or failed by physical or chemical means. Through repair, the capacity of the battery can be restored, the service life of the battery can be prolonged, and the performance of the battery can be improved. A secondary battery, also known as a "rechargeable battery", refers to a battery that can be used after the battery is discharged by activating the active substance by charging.

The main rechargeable batteries in the market are nickel-metal hydride, nickel-cadmium, lead-acid batteries, lithium-ion (including lithium batteries and lithium-ion polymer batteries), etc.

Can lithium batteries be repaired?

Lithium batteries can be repaired, that is, a few damaged cells are replaced. It is not scrapped at the end of the life of the lithium battery, it can be repaired, and it can be used for inspection and maintenance of a piece of equipment. Lithium battery repair is a very technical work, which requires professional technicians and equipment to complete.

Experts remind that the ** of lithium batteries is not too high, and it is convenient and cost-effective to buy a new battery instead of laborious to repair lithium batteries. In addition, developing good usage habits is also a shortcut to extend the life of lithium batteries.

Appearance problems: generally do not hurt the scratches, pits, and wrinkles inside the battery, and there is no problem with normal use, once the internal structure of the battery is damaged or the appearance is very serious, there is no room for repair.

Performance problems: the voltage of lithium batteries, internal resistance similar to the problem is actually its own problem, but the previous hidden dangers exposed, such as self-discharge, in the production of lithium batteries, even if it is a small dust mixed in the battery, will have a serious impact on its performance, at the beginning is not obvious, after a long time of use of the problem will slowly show up, this kind of performance problems have no room for repair, I personally recommend replacing the battery, so as not to cause potential safety hazards to personal and property.

The aging of lithium batteries is generally caused by the disintegration of battery materials, which is irreversible. Long-term freezing is actually a process of forced deep discharge, and it can be reduced to the extent that even those protective lines fail. Lithium batteries only last for the first few years.

The decrease in battery capacity is due to the increase in internal resistance due to oxidation (which is the main cause of the decrease in battery capacity). The electrolyzer resistance reaches a point where the battery is fully charged, but the battery cannot release the stored charge. Lithium batteries can be broadly divided into two categories:

Lithium metal batteries and lithium-ion batteries. Lithium-ion batteries do not contain lithium in a metallic state and are rechargeable. Lithium battery is a type of battery that uses lithium metal or lithium alloy as the positive and negative electrode material and uses a non-aqueous electrolyte solution.

Don't throw away the lithium battery if it is broken, teach you a trick, so that it can be repaired simply, and it can be used for several years.

The lithium battery repair method is as follows:1. Eraser repair. Use a clean eraser or other cleaning tool to gently wipe the metal contacts on the lithium battery and the metal contacts on the mobile phone to help the charging condition and the power last.

2. The refrigerator freezer repair will use the plastic wrap for the lithium battery of the old mobile phone that automatically shuts down.

Wrap it firmly, place it in the freezer layer of the refrigerator, and after 48 hours, remove the battery and remove the six-layer Mikobi paper wrap that is wrapped outside. After cooling for a while, then recharge.

3. Discharge repair. This repair method is to completely discharge the lithium battery that is close to its end-of-life and then recharge it to activate the battery. Here's how:

Deep discharge of the mobile phone is to achieve a deeper degree of recharging and destruction by depleting the internal electrical energy, which requires a cautious and unconventional method.

Once a lithium battery is broken, it cannot be repaired.

Generally, there is no problem with normal use without hurting the scratches, pits, and folds inside the battery, but once the internal structure of the battery is damaged or the appearance is very serious, there is no room for repair.

The voltage and internal resistance of lithium batteries are actually their own problems, but the hidden dangers are exposed, such as self-discharge, in the production of lithium batteries, even a small amount of dust mixed in the battery, will have a serious impact on its performance.

At the beginning, it is not obvious, after a long time, the problem will slowly appear, this kind of performance problem has no room for repair, it is recommended to replace the battery, so as not to cause potential safety hazards to personal and property.

How to choose a lithium battery.

1. Is there a clear capacity marked? Batteries that do not have a clearly marked capacity (e.g. 1000mAh or 1000 mAh) are likely to be inferior or ** batteries. Many cheap batteries on the market are made of **battery heart, **although cheap, but the life is short, the quality is unstable, and the mobile phone may be damaged if you are not careful.

2. Is there *** standby time? Standby time is the continuous use time from the time the battery is loaded into the phone until the next charge. Generally, the batteries sold on the market cannot guarantee the standby time to customers, because the battery quality is unstable, and many cheap batteries have a short standby time because they use poor quality battery cores.

Take a look at the internal resistance and attenuation of other cells before deciding whether to replace the broken group. I have been repairing lithium batteries for 10 years, and I have repaired countless batteries.

If the bad group is determined to be a single string short. It is not recommended to go for repairs. Because even if it's fixed. In a few months, it will be a lack of mileage.

It can be repaired, and I have been operating lithium battery sales and maintenance for many years. Let's start with whether the damage is caused by a single group or the whole series of damage. It is necessary to measure voltage, internal resistance, and capacitance, and then match the corresponding material (lithium cell) according to each data.

The equipment to be used includes charging instruments, discharge instruments, multimeters, internal resistance meters, spot welding machines, and various small auxiliary materials. Hope it helps.

Lithium battery Xiaolei studio wholeheartedly serves the 18952217950 of lithium battery enthusiasts

1. Low temperature can change the electrolyte inside the lithium battery and promote the chemical reaction of the battery that has just been frozen. When the lithium battery is placed in a low-temperature environment, the microstructure of the lithium film and the electrolyte on the surface of the lithium battery, as well as their interface, will change significantly, resulting in the temporary inactivity of the battery and the reduction of leakage current. So after charging again, the standby time will increase.

2. There is another way, remove the lithium battery, put it for about a week, and slowly consume the electricity, and you need to use the machine to completely consume the electricity first. Then full flush, it is estimated that your current charging time must be very short, after being fully charged, disconnect and re-flush, repeat a few times, it is absolutely effective.

How to repair lithium battery performance decline The main reason for the decline in battery performance is that the battery has been vulcanized, the manufacturer's after-sales maintenance battery all kinds of battery repair instruments, repairers are all used with high-power charging equipment to adopt high-current high-voltage sulfurization, repair the battery power of the ordinary charger to charge the battery with sulfur repair, battery repair is meaningless, not to replace the new.

Hello, I am very happy to serve you, I am a special guest to answer the main Xie Xuejie** answer, a senior teacher in educational institutions, with five years of work experience, a total of 6,000 people, it takes a few minutes to reply, please be patient.

There are many ways to repair lithium batteries, and the following are detailed methods and introductions: 1. Repair methods of lithium batteries for electric vehicles: use lithium battery balance repair instrument to detect battery voltage, discharge and voltage difference, and distinguish which part or which battery is damaged to cause the whole group of batteries to fail.

2. How to repair the lithium battery of the mobile phone: Use a clean eraser or cleaning tools of other materials to gently wipe the metal contacts on the lithium battery and the metal contacts on the mobile phone, which will help the good condition of charging and the durability of the power.

I really hope that I can help you, and I also wish you a happy life and a happy day The question I asked was that the 60V60Ah lithium battery could not be charged 1, check whether the output voltage of the charger is above 60V. If the charging case voltage is 60V or below, it means that the charging case is faulty, and the battery has no charging current when it is below 60V, and the charger needs to be replaced or repaired. 2. Measure whether the output voltage of the lithium battery pack is up to 50V.

If there is no abnormality in the above, then check whether the connection plug is defective, and if so, replace the connecting plug and try it. 3. Where the battery pack does not reach each group of 3 5V is too low, this state often occurs when the power is low, if the electricity often disappears for no reason, it means that the battery in the battery pack is broken, there is a leakage or bulging problem, a group of battery voltage will be leaked. If the voltage drops, the internal resistance will increase, and it will not be able to charge and turn on, and it will show that it cannot be charged.

Solution: Check whether each group of batteries has deteriorated in groups, measure their voltage, find out the bad battery pack, replace or replace the new battery by yourself, and the good battery in the old battery pack can be used for other purposes. 4. When there is an open circuit problem in the battery pack, it cannot be charged, and the output line can be directly measured to find out the problem.

5. The whole battery pack is deformed, or the appearance is stained, etc., generally caused by water ingress caused by short circuit, or the use time is too long, and the new battery needs to be replaced in time. In addition, it is also possible that there is a problem with the charger, which causes the voltage to rise and the battery is broken. Note that when charging a lithium-ion battery pack, always use the original charger, and the use of lead-acid chargers is prohibited.

When the light turns green when fully charged, unplug it in time, and it is strictly forbidden to connect to the power supply for a long time. When charging the lithium battery, adhere to the principle of frequent charging and shallow discharge, which can reduce the internal high temperature and prolong the service life of the lithium battery.

Lithium batteries will not be in a high-temperature environment, and once a safety hazard occurs, it will not be **, but will only swell. Because the operating temperature of lithium batteries is minus 20 degrees Celsius to plus 50 degrees Celsius. Low temperature will affect the performance of lithium batteries, and the capacity will become lower and the internal resistance will become larger; The temperature is normal, and it can be restored again.

Summary. 1. First charge the entire battery pack, and float for 2 to 3 hours after turning the lamp. If the battery pack has been left with a long-term power loss and can no longer be charged, you can directly charge it across the protection board for 10 minutes (using the discharge port to charge), and then charge it normally.

2. Unplug the cable of the protection board, before unplugging, please make a mark, the board with 2 wires, the cable can not be plugged in backwards. Measure the voltage of adjacent pins on the wire, 16 voltages if it is 48V, 20 voltages for 60V. The first string of voltages starting from the negative is the voltage between the negative terminal of the battery pack and the first cable, and so on.

Find the single string with the voltage below the voltage, judge the positive and negative poles, and mark them.

How to repair the lithium battery if it is not durable.

Dear, I'm glad to answer your questions.

1. First charge the entire battery pack, and float for 2 to 3 hours after turning the lamp. If the battery pack has been left with a long-term power loss and can no longer be charged, you can directly charge it across the protection board for 10 minutes (using the discharge port to charge), and then charge it normally. 2. Unplug the cable of the protection board, before unplugging, please make a mark for the sensitive source, and the board with 2 wires should not be plugged in backwards.

Measure the voltage of the adjacent fiber defect pins on the cable, 16 voltages for 48V and 20 voltages for 60V. The first string of electric volts starting from the negative electrode is the voltage between the negative electrode of the battery pack and the first cable, and so on. Find the single string with the voltage below the voltage, judge the positive and negative poles, and mark them.

3. Use the charger to charge the single string with less electro-hydraulic pressure than to. However, someone needs to be on duty to prevent the battery from being scrapped due to overcharging. 4. Plug back the cable in the original order, pay attention to the non-reverse connection, install the electric disturbance and bury the Changchi, and it can be put into use.

Hope it helps, yo <>