Semco University – All about the Lithium-Ion Batteries

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The seven charging methods of the electric car that hurt the most in the heat

charging methods and mistakes done while charging the battery of an electric car

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Charging Methods must be considered important as it is necessary to pay attention to the heat of charging electric vehicles, improper charging will cause damage to the electric vehicle battery, easy to charge the battery, and reduce the service life of the battery. According to battery experts, the following seven charging methods are the most […]

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Liquid leakage analysis of soft-pack lithium-ion battery

Liquid leakage analysis of soft-pack lithium-ion battery

1 Comment / General /

Introduction Efficient and reliable energy storage systems are crucial for our modern society. Lithium-ion batteries (LIBs) with excellent performance are widely used in portable electronics and electric vehicles (EVs), but frequent fires and explosions limit their further and more widespread applications. This review summarizes aspects of LIB safety and discusses the related issues, strategies, and testing standards.

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Battery Function

What are the Functions of the battery pack?

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Introduction The battery pack high voltage system is designed to control power flow to and from the cells and to maintain the power level within the design envelope. Batteries with high energy density, high power density, and long cycle life are needed to support the faster introduction and smooth integration of electric vehicles within our society. Choices

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Failure analysis of lithium batteries

Failure analysis of lithium batteries is a science, and it is not easy to understand:

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Introduction to failure analysis of lithium batteries The national standard GB3187-82 defines: “Failure (failure) – the product loses its specified function. For repairable products, it is usually called a failure.” The failure of lithium batteries refers to the deterioration of battery performance due to some specific essential reasons. Or use performance exceptions. The failures of

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Lithium-ion-battery

Basic knowledge and manufacturing process of lithium-ion batteries

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Introduction The production process of lithium-ion batteries is divided into four main processes: pole piece production, battery cell (cell) production, cell activation detection, and battery packaging. The production of pole pieces includes the processes of pulping, coating, rolling, slitting, sheet making, and tab forming. It is the basis of lithium-ion battery manufacturing and has high

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Which Battery Packaging Form is Better

The packaging form of lithium-ion battery is better?

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Introduction Depending on the different package forms, batteries are divided into cylindrical batteries, square batteries, and soft package batteries. Different structures also mean that they have different characteristics. In this article, we will discuss the advantages and disadvantages of the batteries of these three structures. Cylindrical battery: Long-term development and the most mature technology. Advantages

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Battery vulcanization

Causes & Reconditioning of Battery Vulcanization

1 Comment / Safety Standard /

Introduction The electric car often has fault two: motor spinning when stopped1 The battery voltage in the state of under-voltage critical will appear when turning and stopping.2 Poor contacts with the battery connector will also occur in this fault.3 The speed control turns the line to break the state and the brake power off switch is faulty. Battery vulcanization

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Lithium-ion battery process

Lithium-ion battery process details

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Introduction Lithium-ion batteries consisting of LiCoO2 and graphite are popular worldwide as power sources for mobile phones, laptop computers, and other electronic devices. Graphite and LiCoO2 are called lithium insertion materials. In other words, the lithium-ion battery consists of two lithium insertion materials. The combination of two lithium insertion materials is essential for the basic functionality of the

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