Semco University – All about the Lithium-Ion Batteries

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Battery Manufacturing

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

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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 […]

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Understanding Lithium Battery Electrolytes: Safety and Storage

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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.

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Unveiling the Secrets of Surface Coating for Superior Battery Performance

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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

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

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In lithium-ion batteries 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

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Keeping Batteries in Balance: A Look at Battery Balancing Functions

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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)

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

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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

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Laser Slitting: A Precise but Pricey Option for Battery Production

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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

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

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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

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Understanding Lithium-ion Battery Capacity Degradation: Causes and Implications

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Lithium-ion power battery is a complex system composed of positive and negative electrodes, positive and negative electrodes, electrolyte and diaphragm. The only thing that should happen is the implantation and release of ions between the electrolytes and positive and negative electrodes. There are no other adverse effects observed. The reaction does not result in the loss

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LMFP: The battery with the manganese magic that’s turning heads

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With the addition of manganese, lithium manganese phosphate (LMFP) batteries have a structure akin to lithium iron phosphate (LFP) batteries. It has a higher energy density and low-temperature stability in addition to the benefits of LFP batteries (low cost and high thermal stability). LMFP batteries have a high rate of power release. Its theoretical energy

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