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:2025-07-24 Hits: Popular:AG11 battery
Overcharging and over - discharging are two common issues that can cause significant damage to batteries, regardless of the type, but the mechanisms and consequences vary depending on the battery chemistry.
When a battery is overcharged, excessive energy is forced into the cell. In lithium - ion batteries, for example, overcharging can cause a series of detrimental effects. The excess voltage leads to increased temperature within the cell. As the temperature rises, it can trigger thermal runaway, a dangerous chain reaction where the heat generated causes the battery to release more heat, potentially leading to fire or explosion. Overcharging also causes electrolyte decomposition, producing gas that increases the internal pressure of the battery. This can lead to swelling of the battery casing. Additionally, the separator between the positive and negative electrodes may melt due to the high temperature, causing a short circuit between the electrodes, which further degrades the battery's performance and safety.
In the case of lead - acid batteries, overcharging can cause water electrolysis in the electrolyte. The water in the electrolyte breaks down into hydrogen and oxygen gases, which are released. This not only reduces the amount of electrolyte available for the electrochemical reactions but also poses an explosion hazard if the gases accumulate in a confined space. Overcharging can also cause corrosion of the positive electrode, reducing its lifespan and capacity.
Over - discharging, on the other hand, occurs when a battery is drained below its safe operating voltage limit. For lithium - ion batteries, repeated over - discharging diminishes the battery's ability to hold a charge. It increases the internal resistance of the battery, leading to reduced efficiency and higher heat generation during subsequent use. In severe cases, over - discharging can cause irreversible damage to the battery's chemistry. The electrodes may undergo structural changes, and the active materials may be damaged, resulting in a permanent loss of capacity.
For nickel - cadmium (Ni - Cd) and nickel - metal - hydride (Ni - MH) batteries, over - discharging can cause the electrodes to become sulfated or oxidized. This increases the internal resistance and reduces the battery's performance. In Ni - Cd batteries, over - discharging can also lead to the formation of dendrites, which can cause short circuits within the cell.
The damage caused by overcharging and over - discharging is not only a problem for the individual battery but also for battery packs. In a battery pack consisting of multiple cells, if one cell is overcharged or over - discharged, it can affect the performance of the entire pack. This is why Battery Management Systems (BMS) are crucial. BMS is designed to prevent overcharging and over - discharging by monitoring the voltage, current, and temperature of each cell in the battery pack. It can cut off the charging or discharging process when the voltage of a cell reaches the critical limits, protecting the battery from damage and ensuring its safe and reliable operation.
Read recommendations:
How to perform daily maintenance on lithium batteries to extend their lifespan?
Last article:The Balancing Function of Battery Management Systems (BMS)
Popular recommendation
801538 battery manufacture
2023-03-2218650 battery 3.7v 1800mah
2023-03-2212v 300ah lifepo4 battery pack
2023-05-09home energy storage lithium battery direct sales
2023-05-1041v lithium battery pack Factory
2023-05-09503759 1200MAH 11.1V
2023-06-10LR14
2022-08-19102540 1100MAH 3.7V
2023-06-12Coin Cell BR 1632
2022-10-15551235 180MAH 3.7V
2023-06-12LR20
2022-08-19Carpet game signs
2022-09-22Home energy storage battery FBC-HS02
2022-11-08Home energy storage battery GN-BOX4
2022-09-27R14
2022-07-01CR1225 battery
2023-06-2518650 battery pack manufacture
2023-06-2560v 80ah lifepo4 battery pack
2023-06-2518650 battery pack direct sales
2023-06-25LR927 battery
2023-06-25602030 lipo battery.Long term storage of lithium batteries
2023-11-28Square Lithium - ion Batteries in Emergency Power Supplies
2025-04-25Military lithium battery technology
2024-08-07How to Maintain and Care for Lithium - Ion Batteries
2025-08-04What Are the Lithium Battery Certification Systems
2024-11-01What raw materials are mainly used in the production of lithium batteries
2023-03-07The release of the "Plan" is expected to change the world's lithium battery landscape
2023-06-01What are the main advantages of using polymer batteries?rechargeable battery 18650 3.7v
2023-09-08lithium 18650 battery.Advantages of 18650 lithium battery and polymer lithium battery
2023-10-13Lithium titanate battery.18650 lithium ion battery
2023-07-19