-Fire prevention measures for lithium-ion batteries

Fire prevention measures for lithium-ion batteries
author:enerbyte source:本站 click335 Release date: 2023-09-04 09:39:01
abstract:
Lithium batteries are generally divided into lithium metal batteries and lithium-ion batteries. Lithium ion batteries are becoming increasingly widely used due to their rechargeability and high energy density. The safety of lithium-ion batteries is a bottleneck in inhibiting the development of...

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Lithium batteries are generally divided into lithium metal batteries and lithium-ion batteries. Lithium ion batteries are becoming increasingly widely used due to their rechargeability and high energy density. The safety of lithium-ion batteries is a bottleneck in inhibiting the development of lithium-ion batteries and related industries, such as new energy vehicles. The electrolyte inside lithium-ion batteries is a flammable liquid, and the electrodes are combustible materials. Lithium batteries can experience thermal runaway in situations such as overcharging, short circuit, overheating, puncture, or collision, which can easily ignite or even explode. There are frequent cases of fires caused by battery fires in mobile phones, electric bicycles, or electric vehicles.

The author has accumulated 20 years of work experience in the fire protection industry and extensively communicated with peers both domestically and internationally. Since 2012, he has been researching the fire prevention of lithium-ion batteries for electric bicycles and electric vehicles. This article shares several fire prevention plans for lithium-ion batteries.

Introduction to Fire Prevention Strategies for Lithium Batteries

Lithium battery fire prevention requires the establishment of multiple lines of defense with strategic depth. In addition to using non combustible or non combustible materials inside the battery as much as possible to ensure its intrinsic safety, the first line of defense outside the battery is to prevent various causes of overheating and ignition, such as overcharging, short circuit, impact, etc. This requires safety design of the electrical system.

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