Lithium ion battery capacity is what mean?

Source: 2020 - 03 - 24 but hits: lithium ion battery is what time? What is the meaning of lithium ion battery capacity? What is the lithium ion battery? What is the meaning of lithium ion battery capacity? 'the lithium battery is a kind of anode materials for lithium metal or lithium alloy, using nonaqueous electrolyte solution made of cells. In 1912, n gilbert lewis is put forward and studied the lithium battery for the first time. In the 1970 s, M. 年代。 Whittingham is put forward and began to research on lithium ion batteries. Because the metal lithium has very active chemical properties, thus processing, preservation and use of metallic lithium have high demands on the environment. As a result, the lithium battery haven't in use. With the development of science and technology, the lithium battery has become the mainstream. Lithium battery can be roughly divided into two kinds: metallic lithium battery and lithium ion batteries. Do not contain metallic lithium, lithium ion battery can charge. Fifth generation rechargeable lithium battery was born in 1996, its safety, specific capacity, self-discharge rate and performance than were superior to lithium ion batteries. Due to own high-tech demand, only a few countries a few companies in the manufacture of lithium battery. Lithium battery capacity: simple understanding is capacity sorting, filtering and classification performance. The composition of cell division is by container ( Because also the basic principle and separation ability, integrating the function of the composition and the ability to split the same cabinet, known as the composition of the container) To finish, the differentiation of the function of the container is actually like a charger, but it can be a lot of battery charging and discharging at the same time. To division, cell volume testing point data is obtained by computer management, and analysis the battery size, internal resistance, such as data, determine the quality level of the battery. This process is volume segmentation. Battery for the first time after the separation, need to place a period of time, generally not less than 15 days, during this period there will be some inherent quality problems. Such as self-discharge is too big, too much resistance and so on. After the static period, again detection capacity, capacity can not meet the standards, to eliminate any quality problem. Volume of another purpose is for cell sorting and grouping, the screen with the same internal resistance and monomer composition ability. When them together, only those properties similar to form the battery pack. In order to meet the energy needs of electric cars, for example, often need dozens to thousands of battery power battery. Because of the complexity of the system, the influence of the battery pack has its unique behavior, it is not a single cell to do simple addition and subtraction for the performance of the battery pack. Our common battery composed of series and parallel as an example, under ideal conditions, single cell battery should be exactly the same, but in fact, even the same batch production of single cell and performance differences ( Including the capacity, internal resistance, and other factors) 。 Although the filtered before the formation of the battery pack, but cannot guarantee that all the performance of the battery is 100%. In addition, due to the influence of the volume of the battery pack, different parts of the heat dissipation characteristics are quite different, so the battery also has a large temperature gradient on the temperature distribution. All the above factors will lead to the battery in the battery pack in use do not match the pace of decline, this aspect to cause a decline in the available capacity of the battery pack ( When by the battery pack in the series, the minimum capacity limits) 。 On the other hand, it may lead to the safety of the battery pack. Studies have shown that even a single battery cycle life can reach more than 1000 times, if there is no balance equipment protection in the formation of the battery pack, battery cycle life can be less than 200 times. Therefore, the consistency of a single cell is a battery pack is a very important parameter.