With the increasing shift towards EV vehicles new researches as well as development for fire retardant batteries have become imminent. Since Lithium Ion batteries catch on fire when impacted it has been a core aim of researchers to come up with technology that can easily dissuade such issues.
This has been a profoundly important step with the increasing dependence on EV batteries for mobility. A research conducted at the Daegu Gyeongbuk Institute of Science and Technology has been able to create a battery with enhanced safety against fire in case of impact. These batteries also have a extended life span. As per the researchers the batteries would be best for a large range of applications such as in EV vehicles as well as Large Scale energy storage systems.
A Three layer Battery
The research team has developed a three layer battery structure for solving the issue. Each one of the layer would serve a distinct purpose, significantly enhancing the safety as well as security if the battery. These layers have distinct compositions for the fire retardant properties. These have Zeolite to enhance the security of the battery, beyond that the batteries also have Lithium Salt “lithium bis (trifluoromethanesulfonyl) imide) (LiTFSI) to facilitate rapid movement of Lithium Ions. This triple layer and a robust middle layer boosts the battery’s Mechanical strength. The Dendrite formation that impacts the usability of the batteries is prevented by the new batteries through their faster movement of Lithium Ions.
When tested the Batteries tested gave out a formidable result, even after a 1000 charging cycles the battery retained about 87.9% of its performance.
What Makes This Battery Unique
The traditional batteries that are used in EV vehicles have lithium ion which over time due to usage forms small tree like structures often known as Dendritis during the constant charging and discharging of the vehicles. These often impact the internal connections of the batteries which increase the risk of fire and explosion. Beyond that the batteries also have a fire suppressant called decabromodiphenyl ethane. This further makes the battery much more useful in EV vehicles.
This is a ground breaking research that is expected to bring profound changes in the commercialization of the use of Lithium Metal Batteries using solid polymer electrolytes. These would providing enhanced stability and efficiency in energy storage devices.
EV-Accidents
If A EV ever goes through a accident and the battery gets impacted , each individual cell in the battery combusts individually. Hence such a outcome nictitates a proper training to fire department upon how to handle EV vehicle fires and how its necessary to take precautions when handling fries related to EV vehicles. These batteries would be able to solve such issues and help EV vehicles get more safer for the long run.
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