Proses Pembuatan Baterai Ion Lithium Tipe Silinder 18650

PUI Baterai UNS

30 Aug 202111:14

Summary

TLDRThe video script outlines the intricate process of manufacturing lithium-ion batteries at the PT University Center of Excellence for Electrical Energy Storage Technology. It begins with the mixing of cathode and anode materials, followed by coating, rolling, and cutting to precise sizes. The electrodes are then spot-welded and laminated to prevent short circuits. The anode and cathode are rolled into a jelly roll form, checked for shorts, and assembled into a cylinder. The cell is filled with electrolyte, sealed, and tested for performance and internal resistance. This comprehensive overview showcases the meticulous steps involved in creating efficient and reliable lithium-ion batteries.

Takeaways

🔋 The script discusses the process of manufacturing lithium-ion batteries, highlighting the innovation in electrical energy storage technology at a university center of excellence.
🧑‍🔬 Mixing of materials for cathode and anode production is the first step, which takes 12 hours to ensure homogeneity.
🛠️ The coating process involves applying the mixed materials onto the surface of rubber collector electrodes using a coating machine.
📏 Electrode sheets are then compacted using a rolling press machine to densify the materials attached to the collector.
✂️ The prepared electrode sheets are cut to the desired size using a cutting machine.
🔗 Electrodes are connected using spot welding, with aluminum tabs attached to the cathode and nickel tabs to the anode.
🛡️ To prevent short circuits, each tab is coated with a protective layer.
🔬 A secondary check for short circuits is performed using a short circuit test.
🌀 The anode and cathode are then rolled together using a semi-automatic winding machine to form a jelly roll.
📏 The jelly roll is placed on a cylinder gauge for measurement and installation.
🧪 An electrolyte test is conducted within a casing.
🔨 The process continues with sealing the cylinder cover and installing a cover on the cylinder, also known as the graphic process.
🔋 The battery is then ready to undergo a series of tests on an analyzer machine and a grading machine.
🔍 An internal resistance test is performed using an internal resistance tester to ensure the battery's functionality.

Q & A

What is the Indonesian term 'PUI-PT' stand for?
-PUI-PT stands for 'Pusat Unggulan Inovatif - Penyimpanan Energi Listrik' which translates to 'Center of Excellence for Electrical Energy Storage Technology' in English.
What is the focus of the PUI-PT technology program?
-The PUI-PT technology program focuses on the development and innovation in the field of electrical energy storage, specifically the process of manufacturing lithium-ion batteries.
What is the first step in the lithium-ion battery manufacturing process described in the script?
-The first step is mixing the materials that will be used for the production of the cathode and anode using a mixer.
How long does the mixing process last in the battery manufacturing process?
-The mixing process lasts for 12 hours to ensure all materials are homogeneously mixed.
What is used to spread the mixed materials onto the surface of the rubber collector electrodes?
-A coating machine is used to spread the mixed materials onto the surface of the rubber collector electrodes.
What is the purpose of the rolling press machine in the battery manufacturing process?
-The rolling press machine is used to compact the materials that have been applied to the surface of the collector because of the electrodes.
How are the electrode sheets cut to the desired size?
-The electrode sheets are cut using a cutting machine to the desired size.
What is the purpose of spot welding in the battery manufacturing process?
-Spot welding is used to attach the aluminum tabs to the cathode and the nickel tabs to the anode to connect the electrodes.
Why is each tab coated with a protective layer?
-Each tab is coated with a protective layer to prevent short circuits from occurring.
What is the term 'Jelly roll' referring to in the context of battery manufacturing?
-The term 'Jelly roll' refers to the rolled-up anode and cathode which are wound together using a semi-automatic winding machine.
What tests are performed to ensure there are no short circuits in the battery?
-Short circuit tests are conducted to ensure there are no short circuits in the battery.
What is the final step in the battery manufacturing process mentioned in the script?
-The final step mentioned is the inspection of internal resistance using an internal resistance tester.

Outlines

00:00

🔋 Lithium-Ion Battery Production Process

This paragraph outlines the process of making lithium-ion batteries, a key technology in electrical energy storage. It starts with the mixing of materials for the cathode and anode, which takes 12 hours to ensure homogeneity. The mixed materials are then layered onto the surface of rubber collector electrodes using a coating machine. The electrodes are compacted using a rolling press machine to ensure the materials adhere tightly. The electrodes are cut to size using a cutting machine. The next step involves spot welding to attach aluminum tabs to the cathode and nickel tabs to the anode. This is followed by a short circuit test to ensure safety and proper functioning of the battery.

05:00

🔧 Post-Production Battery Assembly and Testing

After the electrodes are prepared, the anode and cathode are rolled together using a semi-automatic winding machine to form a jelly roll, which is a compacted version of the battery. To prevent short circuits, a secondary check is performed. The jelly roll is then placed on a cylinder gauge for further measurement and installation. An electrolyte test is conducted within a casing. The cover of the cylinder cell is sealed, and the battery undergoes a grading process on an analyzer machine to check its performance. The internal resistance of the battery is also tested to ensure it meets the required standards before the battery is considered complete.

10:01

🛠️ Final Battery Inspection and Quality Control

The final paragraph discusses the inspection and quality control processes of lithium-ion battery production at the SPUI unit. It highlights the importance of checking the internal resistance of the batteries using a specialized tester. This step is crucial to ensure that each battery meets the quality and performance standards before it is released for use. The video concludes with a brief overview of the entire battery-making process, emphasizing the precision and attention to detail required at each stage.

Mindmap

Keywords

💡Electrical Energy Storage Technology

Electrical energy storage technology refers to systems or devices that store electrical energy for later use. In the context of the video, this technology is central to the theme as it discusses the process of creating lithium-ion batteries, which are a form of energy storage used widely in various applications such as portable electronics and electric vehicles.

💡Lithium-ion Battery

A lithium-ion battery is a type of rechargeable battery that is commonly used due to its high energy density, longevity, and low self-discharge. The video script revolves around the manufacturing process of these batteries, highlighting the steps involved in creating a lithium-ion battery from mixing raw materials to the final assembly.

💡Cathode and Anode

The cathode and anode are the two electrodes in a lithium-ion battery. The cathode is the positive electrode, and the anode is the negative electrode. The script mentions the mixing of materials for both the cathode and anode, which is a crucial step in the battery manufacturing process, as these components are responsible for the flow of electric current.

💡Mixing Process

The mixing process is an essential part of battery production where the raw materials for the cathode and anode are combined. As stated in the script, this process takes 12 hours to ensure a homogeneous mix, which is vital for the performance and consistency of the battery.

💡Coating Machine

A coating machine is used to apply a thin layer of the mixed material onto the surface of the current collector electrodes. In the script, the coating machine is referred to as 'Coating machine Doll', indicating a specific model or brand used in the process of applying the cathode and anode materials.

💡Rolling Press Machine

The rolling press machine is used to compact the material that has been applied to the current collector. As mentioned in the script, this machine ensures that the material is evenly spread and compacted, which is important for the battery's structural integrity and performance.

💡Spot Welding

Spot welding is a technique used to join materials together at specific points, creating a strong bond without penetrating the entire thickness of the material. In the context of the video, spot welding is used to attach aluminum and nickel tabs to the cathode and anode, respectively, which are crucial for electrical connections within the battery.

💡Short Circuit

A short circuit occurs when an unintended low-resistance path is created, allowing electricity to flow outside its intended path, which can lead to overheating or damage. The script mentions preventing short circuits by laminating tabs and using a short circuit tester, emphasizing the importance of safety and functionality in battery design.

💡Winding Machine

A winding machine is used to roll the layered cathode and anode materials into a jelly roll shape, which is a compact form that fits inside the battery casing. The script refers to a semi-automatic winding machine, indicating a level of automation in the process of creating the battery's core structure.

💡Casing and Cover

The casing and cover are the protective outer parts of a battery that house the internal components. The script describes the process of placing the jelly roll into a casing and then installing a cover, which is essential for the structural integrity and safety of the battery.

💡Internal Resistance Tester

An internal resistance tester is a device used to measure the resistance within a battery, which can indicate the battery's health and performance. The script mentions using such a tester as part of the quality control process, ensuring that the batteries meet performance standards before they are used.

Highlights

Introduction to the University center of excellence for electrical energy storage technology, also known as PUI-PT technology.

The program focuses on the development of innovation within the university environment.

Process of creating lithium-ion batteries is discussed.

First step involves mixing materials for cathode and anode production.

Mixing process takes 12 hours to ensure homogeneity of materials.

Next step is the coating process using a coating machine on the surface of rubber collector electrodes.

Electrode sheets are then compressed using a rolling press machine.

Cutting the electrode sheets to the desired size with a cutting machine.

Spot welding is used to connect the electrodes with aluminum and nickel tabs.

Tabs are coated to prevent short circuits.

Anodes and cathodes are rolled using a semi-automatic winding machine to form a jelly roll.

Short circuit testing is performed to ensure safety.

Jelly roll is then placed on a cylinder gauge for further assembly.

Measurement and installation processes are carried out after perfect placement.

Electrolyte testing is conducted within a casing.

Cylinder cover sealing process is described.

Battery undergoes a formation process on an analyzer machine.

Internal resistance testing is performed to ensure battery quality.

Final inspection and grading of the lithium-ion batteries.