Sodium battery VS lithium battery, can it be replaced?
Since last year, listed companies have continued to enter projects related to sodium batteries, and the industrialization process of sodium-ion batteries has also achieved certain…
Lithium Battery Top 10 Key Equipment— Pouch Package Equipment
The pouch pack battery assembly line is a crucial part of the mid-to-late stage processes in lithium battery manufacturing. It is primarily responsible for handling the assembled or wound bare cells and performing operations such as tab welding, taping, cell casing, and top-side sealing. The design principle of the assembly line is based on the…
Lithium Battery Top 10 Key Equipment – Slitting Machine
Slitting, also known as slitting and rewinding, refers to the process of longitudinally cutting a large-width coated film into multiple strips and rewinding them into upper and lower single rolls of a certain width specification. The slitting blades mainly consist of upper and lower circular disc blades, which are installed on the knife shaft of…
Lithium Battery Top 10 Key Equipment – Injection Equipment
One of the key processes in the commercialization of secondary lithium-ion batteries is the use of liquid electrolytes, making the injection process essential. The injection process refers to the procedure of injecting electrolyte into the interior of the battery cell and sealing it using injection equipment. 01.Overview of Injection Equipment1.1 Importance of Injection Equipment In…
The Impact of Moisture in the Lithium Battery Manufacturing Process!
During the manufacturing process of lithium-ion batteries, there are three crucial factors that must be strictly controlled: dust, metallic particles, and moisture. Poor control of dust and metallic particles can directly lead to internal short circuits and fire accidents in the battery. Similarly, inadequate control of moisture can also cause significant harm to battery performance…
What are the common technologies for humidity control in lithium battery drying rooms?
Commonly used technologies for humidity control in lithium battery drying rooms include the following: Dehumidifier: A dehumidifier is a common humidity control device that lowers indoor humidity by removing moisture from the air. It can automatically adjust its operation based on the set humidity level and maintain the humidity within an appropriate range. Desiccant: A…
Calculation Method for the Length of Cylindrical Battery Electrode
The battery jelly roll is a type of Archimedean spiral. According to the relevant theory, the relationship between the radius r of the jelly roll and the total rotation angle ϕ can be calculated using the following equation： When the radius of the jelly roll needle in the battery is r0, Among them, ϕ is the total angle…
How to Sort Power Lithium Batteries?
Inconsistency among individual batteries often leads to problems such as rapid capacity decay and shorter lifespan in battery packs during cycling processes. Selecting batteries with as consistent performance as possible for grouping is of great significance for the widespread application of lithium-ion batteries in electric vehicles. This article analyzes the manifestations and causes of inconsistency…
Dispersion Mechanism of Lithium Battery Slurry Dispersant
The electrode sheets of lithium-ion batteries are made by coating electrode slurry onto metal foils. The electrode slurry consists of the following materials dispersed in organic solvents: Active material: Lithium-ion intercalation/deintercalation host.Conductive additives: Facilitate electronic conduction.Binder: Used to bond the active material and conductive additives. For high-capacity batteries, it is necessary to reduce the proportion…
Various Dust Control Solutions for Lithium Batteries in the New Energy Industry
In the new energy industry, the production process of lithium batteries involves several key steps, including mixing and slurring, coating, winding, cutting and shaping, stacking or winding, assembly, electrolyte injection, sealing and welding, and packaging. During the processes of mixing and slurring, cutting and shaping, winding or stacking, as well as sealing and welding, a…
Battery manufacturing technology and equipment innovation!
Over the past decade, the lithium-ion battery industry has transitioned from semi-automatic to standalone automation, and then gradually towards full automation and intelligence. Throughout this process, there have been minimal major changes in battery manufacturing processes. However, with the continuous and rapid growth of battery demand, exceeding 100% annually, and the ongoing upgrades in battery…
Microscopic Mechanism of Viscosity in Lithium Slurry
Viscosity is the degree of resistance to flow within a fluid, and its definition formula is: viscosity η = shear force τ / shear rate γ. The shear force τ is the force per unit area experienced by a fluid along a tangent in shear flow, as shown in the figure. Its definition formula is: Where F…
The composition, method and parameter analysis of lithium energy storage battery system PACK!
The lithium-ion battery PACK technology is an essential component in the energy storage industry. Let’s explore some fundamental knowledge about battery PACK together. 1. Definition The lithium-ion battery PACK, also known as a battery module, refers to the manufacturing process of lithium-ion batteries, involving packaging, encapsulation, and assembly. It involves connecting multiple lithium-ion individual cells in…