Technode Global: Technological breakthroughs make electric vehicle batteries explosion-proof
According to Technode Global – Singapore’s leading technology and innovation newspaper, the lithium-ion batteries used in VinFast electric vehicles are considered safe, thanks to breakthrough technologies applied in the production of electric vehicle batteries. .
Regarding the recent apartment fire in Vietnam, some speculation suggests that the cause is related to electric vehicle batteries. However, the final cause was determined to originate from a gasoline motorbike. This raises the question: Are electric cars or gasoline cars more likely to cause fires?
Thanks to advanced manufacturing technology, lithium-ion batteries are now considered to have a high level of safety. New technologies in electric vehicle batteries, especially improvements in fire resistance, are a key element of the green revolution. These technological breakthroughs not only solve battery problems but also make electric vehicles safer as well as better for the environment.
Advanced battery management system
The advanced battery management system (BMS) plays an important role in improving the safety of electric vehicle batteries, responsible for managing and monitoring battery status. BMSs today use a variety of sensors and algorithms to keep batteries operating within safe limits.
Accordingly, battery temperature is regularly monitored with a thermal sensor to ensure it is within safe limits. If it begins to show signs of significant overheating, the BMS will intervene by reducing the charging speed or even disconnecting to prevent overheating.
In addition, the battery’s voltage level is monitored via a voltage sensor, which can signal potential problems. If the voltage is unstable or exceeds the allowable limit, the BMS will also quickly intervene to ensure safety.
Battery cell balancing reduces the risk of overheating
Another important task in battery management is battery cell balancing. Often, the individual battery cells in a lithium-ion battery pack may be uneven in capacity and characteristics. This can lead to uneven charging and discharging over time, increasing the risk of overheating.
However, this problem has been solved in modern BMS systems through the use of battery cell balancing processes, which help maintain uniform performance across all cells, reducing the likelihood of having a dead cell. stable or overheated.
Thermal management technology cools the battery
To limit overheating, electric vehicle manufacturers have invested in advanced thermal management technologies that can ensure ideal battery temperature levels in many cases.
Liquid cooling systems are quite commonly used on many electric vehicles today. This system uses a network of pipes containing water or coolant to dissipate heat generated during charging and discharging. Some electric vehicles even have active cooling features with fans or pumps that help control temperatures more effectively.
Unlike conventional gasoline cars, electric vehicles have “weapons” that are sophisticated thermal management systems, durable battery cases and compliance with strict safety regulations, thereby significantly reducing the risk of fire, especially especially in basement garages.
The new materials are resistant to high temperatures
The materials used in battery production have also had many improvements to improve safety. Researchers have found new electrode materials that are more stable at high temperatures and less affected by heat loss. For example, silicon anodes are seen as an alternative to traditional graphite ones, allowing batteries to store more energy.
Fireproof battery case and specialized safety system
In addition to active safety features, electric vehicle manufacturers are also integrating complementary solutions such as fire-resistant battery cases and specialized safety systems that can isolate a damaged or overheated battery cell.
Even in the event of a collision or external damage, sensors and safety systems can quickly disconnect and isolate the affected part to prevent serious damage. This not only ensures safety for people in the vehicle but also minimizes the risk of fire spreading if a fire occurs.
Electric vehicle batteries meet strict safety regulations
To ensure the safety of electric vehicle batteries, governments and regulatory agencies have established strict testing and certification systems. Accordingly, electric vehicle manufacturers must comply with specific standards of each market, covering many aspects from performance, safety to battery durability.
Typically, the United Nations Global Technical Regulations on electric vehicle safety have set out safety criteria for electric vehicles, including battery safety. Compliance with these regulations ensures that the product meets strict safety standards, thereby reducing the risk of battery-related incidents.
The development of electric car battery technology goes hand in hand with the criteria of putting safety first, especially minimizing the risk of fire and explosion. Current electric vehicle battery technology and design have made great breakthroughs to help bring safer journeys for everyone.
Efforts to improve safety technology and strict management standards have proven the safety of electric vehicles as well as built community trust in this new type of vehicle. Technological advancements will play a key role in driving user adoption. The future of electric vehicle battery technology isn’t just about extending range and improving performance, it’s much more than that.
Currently in the world, many high-rise buildings, whether offices or apartments, have arranged areas for electric vehicle charging according to regulations. Typically in Japan, the Government has had policies to relax regulations on building fast charging stations for electric cars to consolidate charging station infrastructure to meet increasing demand. By 2030, Japan will install 150,000 charging stations nationwide, including 30,000 fast charging stations.
Source: TnGlobal
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