Lithium batteries do not need to be charged for more than 12 hours. This was the method of charging the first lithium batteries: they only needed to be fully charged.
Lithium batteries enter a dormant state after being left for a period of time. At that time, the capacity is lower than the normal value and the usage time is also shortened. However, lithium batteries are easy to activate. After 3-5 normal charge and discharge cycles, the battery can be activated and restored to its normal capacity. Due to the characteristics of the lithium battery itself, it has almost no memory effect. Therefore, the user's new mobile phone lithium battery does not require any special methods or equipment during the activation process. It just needs to be fully charged and not overloading.
The migration rate ofLithium ions in the electrolyte and electrode sheets is closely related to temperature. If it is too high or too low, it will damage the product. When the temperature drops below -20°C, the battery electrolyte solidifies, the internal resistance of the battery becomes infinite, and the battery becomes unusable when the temperature exceeds +55°C, the electrolyte suffers side effects ; reactions A large amount of gas is produced, and the resinous binder in the electrode sheet will also deteriorate, causing the entire battery to gradually age and decline, or even fail in a short time.
Lithium batteries will self-discharge, with a monthly self-discharge rate of approximately 2%. If not used for a long time, the batteries will be damaged due to over-discharge. It is recommended to charge them. every few months. Just keep itbattery at 40%. Lithium batteries are products prone to self-loss. Battery capacity will experience irreversible physical attenuation over time. The maximum loss value is 10% per year. When purchasing a battery, be sure to check the manufacturing date and do not purchase it. old batteries.
Lithium iron phosphate batteries from Pacific Automotive Network do not have a memory effect. What should be noted when using lithium batteries is that the battery enters a dormant state after being left for a period of time. At that time, the capacity is lower than the normal value and the usage time is also shortened. However, lithium batteries are easy to activate. After 3-5 normal charge and discharge cycles, the battery can be activated and restored to its normal capacity. Due to the characteristics of the lithium iron phosphate battery itself,it has almost no memory effect.
Battery memory effect refers to the phenomenon of temporary reduction in battery capacity due to repeated partial charging and incomplete discharge of the battery. The battery memory effect is reversible, but it causes a lot of inconvenience to users. The battery memory effect means that the battery appears to remember the user's daily charging and discharging range and pattern. It becomes difficult to change this pattern over time and it can no longer charge or discharge to a large extent. Lithium iron phosphate batteries do not have this effect.
Does the lithium iron phosphate battery have a memory effect?
Lithium iron phosphate batteries do not have a memory effect. What should be noted when using lithium batteries is that the battery enters a dormant state after being left for a period of time.At that time, the capacity is lower than the normal value and the usage time is also shortened. However, lithium batteries are easy to activate. After 3-5 normal charge and discharge cycles, the battery can be activated and restored to its normal capacity.
Due to the characteristics of the lithium iron phosphate battery itself, it has almost no memory effect. Therefore, the user's new mobile phone lithium battery does not need to be specially activated during the activation process. methods and equipment.
Rechargeable batteries often operate under fully charged conditions and their capacity quickly drops below the rated capacity. This phenomenon is called memory effect. Nickel metal hydride batteries, nickel cadmium batteries, and lead acid batteries all have memory, but lithium iron phosphate batteries do not.phenomenon. Regardless of the battery's condition, it can be used at any time without the need to discharge. completely, then charge it.
Charging nickel-metal hydride batteries without fully discharging them will produce a memory effect, which will affect battery life. Today's cell phones use lithium batteries. Lithium batteries do not have a memory effect. The charging time should not be too long. Usually it takes about three hours. .
The memory effect concerns nickel-cadmium batteries. Since the negative electrode in the traditional process is sintered, the cadmium grains are coarser if nickel-cadmium batteries are recharged before being fully discharged. The grains will be easy to group into pieces and form a secondary discharge platform when the battery is discharged. The battery will store this discharge platform and use itra as the end point of discharge in the next cycle, although the capacity of the battery itself may do this. allow the battery to discharge on a lower platform. During subsequent discharges, the battery will only remember this low capacity. Likewise, with each use, any incomplete discharge will deepen this effect and further reduce the battery capacity.
(Images/Text/Photos: Pacific Automotive Network Calling the Beast Q&A)