Electric cars, smartphones, tablets, digital cameras, laptops, gaming consoles – at the heart of nearly every essential modern device is a power battery that keeps it going. Lithium-ion batteries have become a cornerstone of new-age technology, thanks to their high energy density, lightweight nature, and long lifespan. The manufacturing process of these batteries is intricate and involves several critical stages, each requiring precision and control to ensure the final product's quality and performance. One of the key technologies that play a vital role in this process is the use of vacuum.
How are lithium-ion batteries made?
The production of lithium-ion batteries can be broadly divided into three main stages. Here is a quick look at them.
- Electrode Manufacturing: This initial stage involves creating the electrodes, which are crucial for the battery's performance. The process starts with mixing active materials like lithium metal oxides with conductive binders and solvents to form a slurry. This slurry is then coated onto current collectors and dried. The drying process is critical as it removes solvents and ensures the electrodes have the right physical properties.
- Cell Assembly: In this stage, the electrodes are assembled into cells. This involves layering the electrodes with a separator, connecting them to terminals, and inserting them into a cell housing. The assembly process must be precise to maintain the structural integrity of the battery.
- Cell Finishing: The final stage includes the formation process, aging, and end-of-line testing. This ensures that the batteries meet the required performance standards before they are assembled into battery packs.
How do vacuum pumps support the process?
Vacuum pumps are essential at various stages of lithium-ion battery manufacturing. Their main function is to create a controlled environment by removing air and other gases, which impacts the quality and performance of the batteries in the long run.
We recommend
Atlas Copco vacuum pumps have occupied a solid standing in the lithium-ion battery industry. By observing the challenges and needs of the manufacturing process, we have developed several solutions that fit right into the process line – providing not only an adequate vacuum level but a host of other benefits too.
GHS VSD+ oil-sealed screw vacuum pump:
This vacuum pump is equipped with a permanent magnet assisted synchronous reluctance motor. This new technology ensures higher efficiency at all speeds when compared to classic motors. These new motors are oil-cooled, with oil lubricated bearings that provide optimal cooling at any speed. You can even review pump operating status, vacuum levels and upcoming scheduled events, thanks to built-in HEX@™ controller.
DWS VSD+ dry screw vacuum pump:
Our dry screw vacuum pump is a plug and play industrial vacuum pump. Intelligently engineered for long-life operations and designed for harsh applications, the DWS VSD⁺ dry screw vacuum pump series offers improved operational performance and stable vacuum.The Atlas Copco Advantage
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