electric vehicles charging system Archives - Page 10 of 12 - Semco university

Liquid leakage analysis of soft-pack lithium-ion battery

1 Comment / General / By Semco University

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. …

Liquid leakage analysis of soft-pack lithium-ion battery Read More »

What are the Functions of the battery pack?

Leave a Comment / General / By Semco University

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 …

What are the Functions of the battery pack? Read More »

Overview of Lithium Batteries

Leave a Comment / General / By Semco University

A lithium-ion (Li-ion) battery is a type of rechargeable battery technology that is found throughout portable electronics and electric vehicles. It is also growing in popularity for military and aerospace applications. This kind of battery uses lithium ions as a key component of its electrochemistry, hence its name.For starters, a battery consists of an anode, …

Overview of Lithium Batteries Read More »

Basic knowledge and manufacturing process of lithium-ion batteries

Leave a Comment / Safety Standard / By Semco University

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 …

Basic knowledge and manufacturing process of lithium-ion batteries Read More »

The packaging form of lithium-ion battery is better?

Leave a Comment / Safety Standard / By Semco University

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 …

The packaging form of lithium-ion battery is better? Read More »

Causes & Reconditioning of Battery Vulcanization

1 Comment / Safety Standard / By Semco University

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 …

Causes & Reconditioning of Battery Vulcanization Read More »

Lithium-ion battery process details

Leave a Comment / Cell Manufacturing / By Semco University

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 …

Lithium-ion battery process details Read More »

Lithium battery overcharge mechanism and anti-overcharge measures.

Leave a Comment / Cell Manufacturing / By Semco University

Introduction Overcharge is one of the difficult to pass in the current lithium battery safety test, so it is necessary to understand the overcharge mechanism and the current measures to prevent overcharge. Figure 1 shows the voltage and temperature curve of the NCM+LMO/Gr system battery when it is overcharged. The maximum voltage is reached at …

Lithium battery overcharge mechanism and anti-overcharge measures. Read More »

Factors affecting the performance of high-power lithium-ion batteries

Leave a Comment / Cell Manufacturing / By Semco University

Introduction There are many factors affecting the high-power charging and amplifier performance of lithium-ion batteries. This paper starts with the selection of the material system of high-power lithium-ion batteries; the factors affecting the performance of high-power batteries: the structure of the positive material, the particle size of the positive material and the thickness of the …

Factors affecting the performance of high-power lithium-ion batteries Read More »

Electrical measurement of lithium-ion batteries

Leave a Comment / Cell Manufacturing / By Semco University

Introduction New energy and hybrid power are inseparable from power battery packs. One of the core technologies of new energy is power battery packs. Starting from this article, we will share a series of articles with you to systematically introduce the electrical measurement technology of lithium-ion batteries. I hope that through this article, front-line technicians …

Electrical measurement of lithium-ion batteries Read More »