How to fix 18650 lithium-ion battery?

2022/04/08

  Author :Iflowpower – Portable Power Station Supplier

18650 battery life Theory is a circulating charging 1000 times. Since the unit density has a large capacity, most of them are used in laptop batteries, in addition to this, due to the stability performance of 18650 in work, widely used in the fields of major electronic fields: often used for high-grade glare flashlight, portable Power, wireless data transmitter, electric thermal warm clothing, shoe, portable instrumentation, portable lighting, portable printer, industrial instrument, medical instrument, etc. 18650 means, 18 mm in diameter, 65 mm long.

And the model of the No. 5 is 14500, 14 mm in diameter, 50 mm long. Generally, the 18650 battery is used in industrial use, very small, common, more than the laptop battery and high-end flashlight.

18650 is only the size of the battery, according to the type of battery, 18650, lithium iron phosphate 18650, 18650 (rare) of nickel-hydrogen, is a common 18650 is lithium ion. Characterization of charge and discharge: The working principle of lithium-ion battery means its charging and discharge principle. When charging the battery, there is a lithium ion form on the positive electrode of the battery, and the generated lithium ion is moved to the negative electrolyte.

The carbon as an negative electrode is laminated, and there is a lot of micropores, and the lithium ions reaching the negative electrode are embedded in the microporous of the carbon layer, the more lithium ions embedded, the higher the charging capacity. The same truth, when discharging the battery (ie, the process we use the battery), the lithium ions embedded in the negative electrode carbon layer, and move back to the positive electrode. The more lithium ions returned to the positive electrode, the higher the discharge capacity.

We usually say that the battery capacity refers to the discharge capacity. It is not difficult to see that during the charge and discharge of the lithium ion battery, lithium ions are in the motion state of the positive electrode → negative electrode → positive electrode. If we compare the lithium-ion battery image as a rocking chair, the two ends of the rocking chair are the two poles of the battery, and the lithium ion is like excellent sports, run back in the rocking chair.

So, experts gave a lithium-ion battery a cute name rocking chair battery. 18650 Lithium Battery Repair Method: Lithium Battery Repair Method 1 Principle: Long Time I use the metal surface of the lithium battery will have a certain degree of oxidation, leading to the mobile phone battery with the mobile phone, and the use time of the lithium battery is shortened, and rubber檫 or other cleaning tools can erase the surface of the rusty substance, so that the battery and mobile phone contacts. Principle of lithium battery repair method 2: Low temperature can change the electrolyte of the electrolyte inside the lithium battery to promote chemical reactions that have just been frozen battery.

The use of lithium batteries is actually a charge and discharge process. During this time, the negative charge and Yang electric charge in the battery collide with each other. The battery is getting more and more unused because in normal room temperature, the kinetic energy of the electronics is relatively large, so the battery is active, and the leakage is relatively frequent.

The lithium battery is placed in a low temperature environment, the microstructure of the lithium film and the microstructure of the electrolyte on the surface of the lithium battery, and the interior of their intersection, resulting in the interior of the battery, and the leakage current is reduced. So after charging again, the mobile phone will increase. Lithium battery's circulating life is more than 600 times.

If the number of charging is more, the thermal movement of the molecule will gradually destroy their internal molecules, and the storage charge efficiency will gradually decrease. And "The freezing process is easy to damage the original internal structure of the battery, and may increase the ability to charge the charge in a short time, but long-term use is not necessarily effective. ".

The principle of lithium battery repair method: depth discharge to mobile phones is to achieve deeper and reproduction by depleting internal energy, this requires some unconventional methods. If you want to connect your mobile phone to a 1.5V small light bulb, the battery inside the lithium battery will be transmitted to the small bulb until all are light.

"Mobile phone needs to slowly exhaust energy through lower voltage. Under normal circumstances, if the mobile phone is turned on less than 3.6 volts rated voltage, it will automatically shut down.

"After the electricity is finished, the mobile phone battery that is recharged again can use longer. 18650 Lithium Battery Repair Method: 1, remove your battery, remove it, treated with temperature, the battery will greatly shorten the usage time in the case of unstable temperature, because the battery is no electricity and a considerable part of the lithium ion already With memory, use this method, you can release a part of memory, in winter, put it outside for a while, then in the house. 2, there is another method, remove the battery, put a week, slowly consume the electricity, need to complete the electricity to complete the electricity.

Then all the rush, I estimate that your current charging time is definitely very short, after full, disconnect, repeated a few times, absolutely effective. .

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