Lithium Battery 3.7V Lithium Polymer Battery 3.2V LifePo4 Battery 1.2V Ni-MH Battery Button Coin Battery
3.7V Battery Pack 7.4V Battery Pack 11.1V Battery Pack 14.8V Battery Pack Other Battery Pack
Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2023-08-18 Hits: Popular:AG11 battery
Lithium battery manufacturers can help you understand the main reasons for lithium battery fires: for example, using or charging under high temperature conditions, overcharging, collision, puncture, etc. can all cause battery fires. High temperature, overcharging, over discharge, and prolonged full charge can also cause battery bulging problems and affect battery life.
Firstly, let's talk about the characteristics of lithium batteries: The working principle of lithium batteries is the process of lithium ion insertion and removal. When charging, lithium ions are generated at the positive electrode of the battery, and these lithium ions move to the negative electrode under the action of the electrolyte. When the battery is discharged, there are lithium ions embedded in the negative carbon layer, which fall off and then rotate back to the positive electrode.
Is it still unclear? Just let's understand the basic working principles. Below, I will introduce to you how to charge and discharge lithium batteries correctly
We need to know several values about lithium batteries. The full charge voltage of lithium polymer batteries is 4.2V, exceeding 4.2V is considered overcharge, and the termination discharge voltage is around 3V (different from each manufacturer). Below this voltage is considered overcharge.
Lithium battery overcharging, which means that continuing to charge while the battery is fully charged can cause changes in the structure of the positive electrode material inside the battery, resulting in a total capacity loss of the battery. Moreover, if it is more severe, it will also decompose and release oxygen, and the electrolyte will undergo violent chemical reactions, which may pose a risk of explosion.
If the overdischarge voltage of a lithium battery is too low, it can cause risks such as copper foil dissolution on the negative electrode. Due to the precipitation of dissolved copper elements on the negative electrode surface during charging, the resulting metal copper dendrites may pierce the separator, causing a short circuit between the positive and negative electrodes. Therefore, excessive discharge or low voltage can lead to complete failure of the lithium-ion battery.
Lithium batteries cannot be stored at full charge, mainly because the crystal activity inside the lithium battery is higher than that of lead-acid batteries. If stored at full charge for a long time, internal reactions will occur quickly. Once this chemical reaction occurs inside the lithium battery, it may cause problems such as bulging and deformation of the battery. There is currently no better solution to the storage problem of lithium batteries.
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