The system monitors most data on battery charging and discharging such as voltage deviation, insulation resistance, temperature, current and voltage changes, as well as overvoltage and low voltage.Hyundai Motor Co.and Kia are set to add functions, which can detect instantaneous and micro short circuits days in advance, to the BMS.“The current BMS can prevent fire caused by overcharging in advance,” said a Hyundai Motor Group official.“The new technology will be able to avoid battery fire caused by short circuits.” Overcharging is regarded as a cause of EV fire, prompting some South Korean local authorities such as the Seoul Metropolitan Government to seek to ban charging EVs more than 90%, although the fire earlier this month may have been caused by a micro short circuit due to external shocks, industry sources said.Hyundai Motor Co.and Kia plan to upgrade the BMS functions with artificial intelligence and cloud technologies.
EVERYTHING TO ALLEVIATE SAFETY CONCERNSSouth Korean and foreign automakers rushed to take measures to ease worries about safety over EVs and batteries among customers after a Mercedes-Banz electric sedan equipped with cells reportedly produced by Chinese company Farasis Energy Inc.burst into flames in an apartment building garage in Incheon, west of Seoul earlier this month.The blaze on Aug.1 took more than eight hours to put out and damaged 87 other vehicles, boosting EV phobia and placing added pressure on automakers, which have been struggling with the sustained weakness in the green vehicle industry.Hyundai Motor Co.and Kia on Aug.10 disclosed battery suppliers for their EVs while providing safety inspection services in South Korea indefinitely.
Hyundai Motor Group, the world’s third-largest automaker, plans to install its battery management system (BMS) on all electric vehicles to revive sales of the clean vehicles by alleviating safety concerns boosted after a fire of a Mercedes-Benz electric sedan.Hyundai Motor Co.and Kia Corp.on Thursday unveiled the plan to apply the BMS technology, which detects battery abnormalities and immediately notifies vehicle owners and the South Korean conglomerate’s two carmakers, to all upcoming EVs.
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