Battery Manufactory

With the rapid release of demand for new energy vehicles, the power battery, which is the heart of new energy vehicles, is encountering a new round of imbalance between supply and demand. Since October last year, the prices of important raw materials for power batteries such as lithium carbonate, lithium hydroxide, and electrolyte have continued to soar, which has now been transmitted to the cost of power batteries, with an increase of about 20%-25%. The upstream of the power battery industry chain is mainly the mining end, including the mineral industry of nickel, cobalt, manganese, lithium, graphite and other battery raw materials. Midstream companies are battery materials companies, including the production of direct materials such as positive electrodes, negative electrodes, electrolytes, and separators. The company and downstream companies are power battery manufacturers such as CATL and BYD. On October 11, the raw material supplier issued a conditional letter ann

On October 26, 2021, a BYD battery price increase contact letter was posted on the market. According to the letter, due to market changes and superimposed power and production restrictions, compared with December 2020, lithium battery raw materials will continue to rise in 2021. The price of cathode material LiCoO2 will increase by more than 200%, the price of electrolyte will increase by more than 150%, and the price of anode materials will increase by more than 150%. As the supply continues to be tight, the overall cost has increased significantly. According to the actual situation of rising raw material prices, the unit price of CO8M and other battery products will be increased after research. The specific battery price adjustment plan is as follows: 1. The tax-included price of the product will increase by no less than 20% on the basis of the current Wh unit price. Please refer to the new quotation for specific models and prices; 2. From November 1, 2021, all new

As a portable energy storage device, lithium ion batteries are widely used in mobile phones, notebook computers, cameras, electric bicycles, electric vehicles and other fields. Among them, the lithium battery electrolyte is an aspect that cannot be ignored. After all, the electrolyte, which accounts for 15% of battery cost, does play a vital role in battery energy density, power density, wide temperature applications, cycle life and safety performance. Electrolyte is one of the four key materials of lithium batteries: positive electrode, negative electrode, separator and electrolyte. It is called the "blood" of a lithium-ion battery and conducts electrons between the positive and negative electrodes of the battery. It is to obtain high-voltage, high-voltage lithium batteries, ensuring energy ratio and other advantages. As we all know, the main components of lithium-ion batteries include four aspects: positive electrode material, negative electrode material, e

The size of the lithium ion polymer battery is directly related to the battery capacity. The formula for calculating the capacity of a lithium ion polymer battery is: capacity (AH) = constant discharge current (A) × discharge time (H). The battery on the mobile power supply usually uses a  lithium polymer battery. The choice of lithium polymer battery mainly has several indicators to meet the demand. The main factors are high safety, many charge and discharge times, long life and large capacity. Next, let us take a closer look at how to calculate the capacity of lithium-ion polymer batteries. 1. The capacity is related to the size of the battery The capacity of the lithium polymer battery is related to the size of the model, and depends on the thickness, width and length of the battery. In addition, it is also related to battery material and size. The actual calculation formula of the lithium polymer battery capacity is more complicated, and there is no linear relation

Electrolyte is an important part of lithium-ion batteries. It not only transports and conducts current between the positive and negative electrodes, but also determines the working mechanism of the battery to a large extent, affecting the specific energy, safety performance, rate charge and discharge performance, cycle life and production cost of the battery. The electrolyte conducts electrons between the positive and negative electrodes of the lithium-ion battery , which is the guarantee for the lithium-ion battery to obtain the advantages of high voltage and high specific energy. Electrolyte is generally prepared from high-purity organic solvent, electrolyte lithium salt (lithium hexafluorophosphate, LiFL6), necessary additives and other raw materials under certain conditions in a certain proportion. 1. Organic solvent The organic solvent is the main component of the electrolyte, and the performance of the electrolyte is closely related to the performance of the solvent

The negative electrode of lithium ion battery is made by mixing the negative active material carbon material or non-carbon material, binder and additives to form a paste glue, evenly spreading it on both sides of the copper foil, drying and calendering it. The negative electrode material is the main body of lithium-ion batteries to store lithium, allowing lithium ions to be inserted and extracted during charging and discharging. When a lithium battery is charged, the lithium atoms in the positive electrode are ionized into lithium ions and electrons, and the lithium ions move to the negative electrode to synthesize lithium atoms with the electrons. During discharge, lithium atoms are ionized in the graphite crystal from the surface of the negative electrode into lithium ions and electrons, and lithium atoms are synthesized in the positive electrode. In the lithium-ion battery materials, the negative electrode material is an important component, which can have a greater

The polymer lithium battery is a chemical battery. Compared with previous batteries, it has the characteristics of high energy, miniaturization and light weight. The so-called lithium polymer battery refers to a battery system that uses polymer materials for at least one or more of the three elements. In lithium polymer battery systems, most polymer materials are used for the positive electrode and electrolyte. The positive electrode material adopts the conductive polymer or inorganic compound used in general lithium ion batteries, the negative electrode mostly adopts metal lithium or lithium carbon intercalation compound, and the electrolyte adopts solid or colloidal polymer electrolyte or organic electrolyte. Since there is no excess electrolyte in the lithium polymer, it is more reliable and stable. The working principle of polymer lithium battery There are two types of lithium ion batteries: liquid lithium ion batteries and lithium polymer batteries. Among them, the