Semco university – All about the Lithium-Ion Batteries

semco-university-logo
semco-university-logo

Battery Manufacturing

Lithium Deposition: A Threat to Battery Performance

Leave a Comment / Battery Manufacturing / By

Lithium deposition, the accumulation of lithium metal on the negative electrode of a lithium-ion battery, poses a significant challenge to battery performance and safety. This phenomenon can lead to reduced battery life, capacity loss, and increased risk of safety hazards. Understanding the underlying causes of lithium deposition is crucial for developing effective prevention strategies. Several …

Lithium Deposition: A Threat to Battery Performance Read More »

The Role of SBR in Lithium-ion Battery Production

Leave a Comment / Battery Manufacturing / By

SBR: A Crucial Component SBR, a synthetic rubber, plays a critical role in the manufacturing of lithium-ion batteries. Its primary function is to bind the graphite and carbon black particles within the battery’s negative electrode. This binding ensures the electrode’s structural integrity and contributes to the battery’s overall performance. How SBR Works SBR acts as …

The Role of SBR in Lithium-ion Battery Production Read More »

Inside the 18650 Lithium-Ion Battery: Charge, Discharge, and Manufacturing

Leave a Comment / Battery Manufacturing / By

At the heart of many portable electronics lies the 18650 lithium-ion battery. But how exactly does this workhorse store and release energy? Let’s delve into its core principle. The Rocking Chair Analogy: Charging and Discharging Imagine a rocking chair. One side is the positive electrode (cathode), the other is the negative electrode (anode). Lithium ions …

Inside the 18650 Lithium-Ion Battery: Charge, Discharge, and Manufacturing Read More »

Understanding Lithium Battery Electrolytes: Safety and Storage

Leave a Comment / Battery Manufacturing / By

Lithium battery electrolytes are crucial components, enabling ion flow within the battery. However, their flammable nature, mostly due to carbonate solvents, necessitates careful handling and storage. Electrolyte Function and Composition The electrolyte acts as a bridge, carrying ions between the positive and negative electrodes. This allows lithium-ion batteries to achieve high voltage and energy density. …

Understanding Lithium Battery Electrolytes: Safety and Storage Read More »

Unveiling the Secrets of Surface Coating for Superior Battery Performance

Leave a Comment / Battery Manufacturing / By

The quest for high-performance lithium-ion batteries has led scientists to explore the fascinating world of surface coating for cathode materials. This article delves into the different types of coatings and their impact on battery function. Coating Requirements: Coating Functions: Types of Coating Materials: Optimizing Coating Thickness: Finding the right balance between coating thickness and lithium-ion …

Unveiling the Secrets of Surface Coating for Superior Battery Performance Read More »

Ensuring Consistent Performance: Capacity and Sorting of Lithium-ion Batteries

Leave a Comment / Battery Manufacturing / By

In lithium-ion battery production, even slight variations can significantly impact performance. Capacity and sorting are crucial steps that guarantee consistent battery quality, leading to reliable and dependable battery packs. The Need for Sorting During manufacturing, subtle differences in the environment or process conditions can lead to variations in performance, even for batteries of the same …

Ensuring Consistent Performance: Capacity and Sorting of Lithium-ion Batteries Read More »

Keeping Batteries in Balance: A Look at Battery Balancing Functions

Leave a Comment / Battery Manufacturing / By

Battery packs, especially those containing multiple lithium-ion cells, can suffer from inconsistencies. These inconsistencies arise from slight differences in manufacturing, usage patterns, and even natural aging. These variations can lead to a decrease in overall battery performance, lifespan, and safety. Battery Balancing: Maintaining Harmony Battery balancing is a technique employed in Battery Management Systems (BMS) …

Keeping Batteries in Balance: A Look at Battery Balancing Functions Read More »

Battling Breakage: Solutions for Positive Electrode Roller Woes in Lithium Battery Production

Leave a Comment / Battery Manufacturing / By

Lithium batteries power our daily lives, but their manufacturing faces a common hurdle: positive electrode roller breakage. This disrupts production and impacts the entire industry. Here, we delve into the causes of this problem and explore effective repair strategies. Why Do Positive Electrode Rollers Break? The culprits behind this breakage can be categorized into three …

Battling Breakage: Solutions for Positive Electrode Roller Woes in Lithium Battery Production Read More »

Laser Slitting: A Precise but Pricey Option for Battery Production

Leave a Comment / Battery Manufacturing / By

The rise of electric vehicles and advancements in battery technology demand increasingly sophisticated methods for manufacturing lithium-ion battery components. Here, laser slitting emerges as a compelling option due to its high precision and unique advantages. However, it also comes with limitations that need to be considered. Why Laser Slitting? Traditional mechanical slitting, widely used for …

Laser Slitting: A Precise but Pricey Option for Battery Production Read More »

Comparing Coiled and Laminated Lithium-ion Battery Cells: A Production Perspective

Leave a Comment / Battery Manufacturing / By

Lithium-ion batteries are at the forefront of modern energy storage solutions, powering everything from smartphones to electric vehicles. Within the realm of lithium-ion battery production, two main types of cells dominate the market: coiled and laminated. Each has its own set of advantages and limitations, making them suitable for different applications within the industry. Coiled …

Comparing Coiled and Laminated Lithium-ion Battery Cells: A Production Perspective Read More »