source:other news
release time:2022-12-28
Hits:0
Popular:

The positive and negative electrodes, electrolyte and separator are important components of lithium ion battery. The positive and negative electrodes of lithium ion battery have lithium intercalation and stripping reaction respectively, and the lithium intercalation amount of the positive and negative electrodes becomes the main factor affecting the capacity of lithium ion battery. Therefore, it is necessary to maintain the balance of the positive and negative electrode capacities of lithium ion batteries to ensure that the batteries have the best performance.
Generally speaking, the electrolyte solution consisting of organic solvent and electrolyte (lithium salt) is commonly used in lithium batteries. The electrolyte solution should have sufficient conductivity, stability, and be compatible with the electrode. For the diaphragm, its performance is the main factor determining the internal resistance and interface structure of the battery, and has a direct impact on the change of battery capacity attenuation. If the quality and performance of the diaphragm are superior, the capacity and comprehensive performance of the lithium ion battery will be significantly improved. In general, the diaphragm in the battery is mainly used to separate the positive pole and negative pole of the battery, so as to avoid short circuit of the battery caused by contact between the positive and negative poles. At the same time, it can also release electrolyte ions to fully play the role of the battery.
Chemical reactions in lithium ion batteries not only include redox reactions in the process of lithium ion insertion and removal, but also include side reactions such as the production and destruction of the SEI film on the anode surface, the decomposition of electrolyte, and the structural change and dissolution of active materials. These side reactions are the reasons for the capacity degradation of lithium ion batteries.
It is inevitable that capacity degradation and loss occur during battery cycle. Therefore, in order to improve battery capacity and performance, scholars in various fields at home and abroad have fully studied the mechanism of lithium battery capacity loss. At present, it is known that the main factors causing the capacity degradation of lithium ion batteries include the formation of SEI passive films on the positive and negative electrode surfaces, the deposition of lithium metal, the dissolution of electrode active materials, the occurrence of redox reaction or side reaction of the cathode and anode, structural changes and phase changes. At present, the change of lithium ion battery capacity attenuation and its causes are still in the process of continuous research.
Read recommendations:
lithium batteries for solar panels price
Marine Boat 12V 24V 36V Deep Cycle RV Lithium LiFePo4 Battery for Trolling Motor
Aquatic solution lithium battery system.12v 100ah battery price
Last article:What are the characteristics of security patrol robots?
Next article:Advantages of ternary polymer lithium battery
related suggestion
lithium ion golf cart batteries
2023-03-20lithium ion golf cart batteries Production
2023-04-07dual purpose marine battery wholesale
2023-04-07deep cycle trolling motor battery manufacturer
2023-04-07lifepo4 24v manufacturer
2023-04-07lithium marine batteries Production
2023-03-2212v 100ah deep cycle battery
2023-05-08deep cell marine battery
2023-05-08solar generator kits
2023-05-0812 volt deep cycle batteries
2023-05-08solar generator for house
2023-05-0836 volt golf cart batteries
2023-05-08Humanoid Robot 25.9V 20Ah 18650 Lithium Battery Pack
2025-03-31802030 400mAh Li-polymer Battery 3.7V
2025-05-16Golf Cart 51.2V 150Ah LiFePo4 Battery Pack
2022-09-295kWh Household Energy Storage System 51.2V 100Ah Battery LiFePo4 for Solar Power
2022-09-2912V 150Ah 200Ah LiFePo4 Motive Battery Pack for Clean Car Electric Vehicle
2023-02-14The Power of 18650 3.7V Batteries: A Comprehensive Look
2025-03-19How Much Do Solar Panels Cost in 2022? A Quick Guide
2022-09-08Advancements in High-Capacity Battery Storage and the Importance of Global Aid
2025-03-20What are the advantages and disadvantages of decomposing Lithium iron phosphate battery?portable solar power generator
2023-06-25How to Choose the Right 12V Lithium Battery for Your Needs
2025-03-12New energy vehicle batteries
2023-07-27What are the characteristics of security patrol robots?
2022-12-28Analysis on the difference of characteristics between power lithium battery and ordinary lithium battery
2022-10-15Reuse of Power Lithium Batteries: A New Path to Reduce Battery Costs.Moving object detection module
2023-08-08Lithium power battery chemical reaction.portable battery generators
2023-07-12