Shenzhen Yi Fang Technology Co., Ltd

As a  Samsung Li Ion Battery Factory , share with you. With the development of science and technology, lithium batteries have become more and more widely used in various industries, ranging from electronic watches and mobile phones to laptop computers and automobiles. However, in the process of using lithium batteries, we will also encounter some safety hazards, such as the explosion of the lithium battery on the mobile phone, or because we use it improperly, or the quality of the lithium battery itself is unqualified. Lithium batteries must pass safety tests such as overcharging, short-circuiting, needling, crushing, and impact with heavy objects. If the lithium battery does not ignite or explode, it means that the lithium battery is a qualified product, otherwise it is an unqualified product. So how to detect whether the  50ah Lithium Battery  has reached the required safety indicators? 18650 Battery 3.7 V 2500mah The following methods can be used to detect: Me...

As an  18650 Battery Factory , share with you. The importance of cycle performance to  50ah Lithium Battery  need not be said. In a macro perspective, longer cycle life means less resource consumption. Therefore, the factors affecting the cycle performance of lithium-ion batteries are related to the lithium battery industry People have to consider the issue of large-capacity lithium batteries. SANYO Lithium Ion Battery 1.Moisture Excessive moisture will cause side reactions with the positive and negative electrode active materials, destroy its structure and affect circulation. At the same time, excessive moisture is not conducive to the formation of the SEI film. However, while the trace amount of water is difficult to remove, the trace amount of water is also difficult to remove. Can guarantee the performance of the battery to a certain extent. 2.Positive and negative electrode compaction Positive and negative electrode compaction is too high, although it ...

As a  Lithium Battery For Ebike Factory , share with you. Lithium battery is a kind of energy storage conversion device that is more and more widely used, because its excellent electrochemical performance realizes a small-, medium-, and large-scale market application scenario that keeps pace with the times. When we talk about lithium-ion batteries, When used correctly, it usually refers to small applications, that is, consumer electronics, such as smartphones and laptops. Because large and medium-sized applications are based on small-scale application technology, small-scale applications have common characteristics, and large- and medium-sized applications are much more complicated. Generally, medium-sized applications are on new energy vehicles, which we generally call power batteries; large-scale applications are usually used in Above the base station, we generally call it energy storage battery. So when we talk about the "method of using lithium batteries", limiting lit...

With the rapid development of science and technology, the use range and role of lithium batteries have long been self-evident, but lithium battery accidents are constantly emerging in our daily lives, which constantly plagues us. In view of this, the  18650 Battery Factory  has specially organized Lithium ion common problems cause analysis and solutions, I hope to provide convenience for everyone. 18650 Battery 3.7 V 2500mah First, the voltage is inconsistent, and individual is too low 1. Large self-discharge causes low voltage The self-discharge of the battery cell is large, which makes its voltage drop faster than others. The low voltage can be eliminated by checking the voltage after storage. 2. Low voltage due to uneven charging When the battery is charged after the test, the charging of the battery cells is uneven due to the contact resistance or the charging current of the detection cabinet is inconsistent. The difference in voltage measured during short-t...

As a  Lithium Battery For Ebike Factory , share with you. As early as the investor meeting in early 2017, the new 21700 cells jointly developed began mass production. Tesla said that this battery will be produced in the factory and emphasized that this is the highest energy density of cylindrical cells currently available for mass production And the lowest cost product. Subsequently, domestic enterprises have poured into the army of  21700 Battery : 21700 Battery Due to the limitation of battery material performance, increasing the energy density by increasing the volume has become an important consideration for enterprises; however, the increase in the physical size of cylindrical batteries will also reduce cycle life, rate and safety; It is said that the general production change cost of the production line is lower, but blindly increasing the battery size is not a long-term solution. The most intuitive difference between 21700 and 18650 batteries is that they hav...