With the popularization of new energy electric vehicles, the safety issues of electric vehicles are receiving increasing attention. Among them, the safety characteristics of lithium batteries are one of the key factors for the safety of electric vehicles. This article takes ternary soft pack lithium batteries as the research object, and through experimental and simulation …

1.Possible causes of thermal runaway Energy storage batteries generally experience thermal runaway under abuse conditions, and common abuse conditions are divided into three categories: mechanical abuse, electrical abuse, and thermal abuse. The most common occurrence of thermal runaway due to electrical abuse. In abusive working conditions, lithium-ion batteries not only release reaction heat, ohmic heat, …

With the popularization of electric vehicles and the continuous expansion of market share, safety issues have also become one of the focuses of consumer attention. Especially the frequent occurrence of electric vehicle spontaneous combustion has attracted widespread attention and discussion in society. The occurrence of these events not only brings concerns to consumers, but also …

With the rapid development of new energy vehicle industry, the power battery of electric vehicles is prone to Thermal runaway due to its own characteristics and use environment. Thermal runaway will cause thermal damage to the power battery, leading to auto ignition and even explosion. Therefore, it is of great significance to analyze the causes …

In recent years, electric vehicles have achieved unprecedented development, and countries are actively carrying out related research work. In civilian vehicles, major automobile manufacturers continue to introduce technologically advanced hybrid electric vehicles and pure electric vehicles. On Military vehicle, many countries have also carried out a lot of research work. Compared with mechanical transmission vehicles, …

In recent years, electric vehicles have developed rapidly, and as a key component of electric vehicles, power batteries have also undergone rapid technological development. The performance and service life of power batteries directly determine the performance and cost of electric transmission vehicles. At present, the main power batteries used in electric drive vehicles are lead-acid …

Energy and environment are the two fundamental issues facing sustainable development in the world today. Hybrid electric vehicles, as a green and efficient means of transportation, have been increasingly promoted worldwide. With the increasingly mature battery preparation technology, the Lithium iron phosphate power battery, as an important part of the hybrid electric vehicle drive system, …

During the battery production process, due to negligence in process control, extremely small metal particles were mixed inside the lithium-ion battery. During battery use, temperature changes or various impact metal particles pierced the separator between the positive and negative electrodes, causing a short circuit inside the battery and causing a large amount of heat, causing …

Lithium iron phosphate battery is a very potential lithium-ion battery in the current market. At present, the research on Lithium iron phosphate battery mainly focuses on Battery management system and state of charge estimation. Its performance needs further research, especially its low-temperature performance. At present, the discarded equipment used for Antarctic scientific research is basically …

With the development of the automobile industry, Alternative fuel vehicle have become a force that cannot be ignored in recent years. With the increasing use of new energy vehicles, we often see news about the spontaneous combustion, explosion and other aspects of new energy vehicles. The essence of new energy vehicle safety accidents is actually …