Interpretation of the structural characteristics of lithium battery packs

Explain the structural characteristics of the lithium battery pack. The structural characteristics of the lithium battery pack are explained. As a lithium battery UPS energy storage center, the importance of lithium battery packs is self-evident. Today, we will bring you an explanation about the structural characteristics of lithium battery packs. Lithium battery package structure Lithium battery package generally includes positive electrode, negative electrode, electrolyte, gap, positive lead, negative lead, center terminal, insulation data, safety valve, sealing ring, positive temperature control terminal, battery case, etc. ▉The positive positive data occupies a large proportion in the lithium battery package (the mass ratio of positive and negative data is 3:1~4:1). Since the function of the positive electrode data directly affects the function of the lithium battery packaging, the cost of the positive electrode data also directly determines the cost of the battery packaging. ▉ElectrolyteAs an important part of lithium batteries, electrolytes are used to transfer ions to conduct current between positive electrodes. Choosing an appropriate electrolyte is the key to obtaining high energy density and power density, long cycle life, and safety functions. Lithium battery pack. ▉Alienation In the structure of lithium battery packs, the gap is one of the key internal components. The purpose of the diaphragm determines the interface structure and internal resistance of the battery pack, which directly affects the capacity, cycle and safety performance of the battery pack. A gap with excellent performance has an important purpose for improving the sensing performance of the battery. The important purpose of isolation is to separate the positive and negative electrodes of the battery to prevent short circuits caused by contact with the north and south poles. In addition, it also has the function of allowing electrolyte ions to pass through. Back to the topic, let's talk about the structural characteristics of the lithium battery pack. In addition to its physical structure, its chemical function characteristics are also small supplements. The chemical characteristics of the lithium battery pack ▄Charging voltage Charging voltage refers to the power source that the external voltage is applied to both ends of the battery when the lithium battery pack is charged. Therefore, it is best to determine the charging voltage before charging the lithium battery pack, as long-term use of inconsistent voltage will seriously affect its service life. ▄Battery capacity Battery capacity refers to the amount of electricity obtained from the battery, usually expressed by C, and the unit is commonly used Ah or mAh. Capacity is an important indicator to measure the charging performance of lithium batteries. The capacity of the battery pack is determined by the capacity of the electrodes. If the capacity of the electrode changes, the capacity of the battery depends on the smaller electrode, rather than the sum of the positive and negative capacities. ▄One of the important features of the storage function lithium battery pack is that electric energy appears when in use, and it stores electric energy when not in use. The ability to store electrical energy in a lithium battery pack is a good way to maintain power supply. ▄Cycle life For lithium battery packs, life is an important parameter to measure its performance. Lithium battery packs have reasonable usage conditions and scale, such as charge-discharge cut-off voltage, charge-discharge rate, working temperature scale, storage temperature scale, etc. If used unreasonably for a long time, it will cause irreversible chemical reactions inside the battery, forming a damage mechanism to the battery, accelerating the aging of the battery, resulting in a rapid decline in the cycle life of the battery, and when it is serious, a safety accident may also occur. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete.