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The "tip of the iceberg" of spontaneous combustion of electric vehicles is a potential safety hazard under the triumphant progress
04-12
Following the spontaneous combustion accidents caused by Tesla, Weilai and BYD in April this year, Tesla and Weilai had another safety accident in May. The safety issue of electric vehicles has become the focus of social attention. Although none of the above accidents caused casualties, it has aroused consumers' distrust and panic about electric vehicles.
"The specific reasons need to be investigated, but this undoubtedly sounded the alarm for the ternary lithium battery that blindly pursues energy density. If the attenuation of pure electric vehicle driving mileage in winter is still a customer satisfaction issue, the continuous occurrence of pure electric vehicle spontaneous combustion accidents It is a hidden danger to safety, and with the increase in the number of electric vehicles, it is more likely to become a hidden danger to public safety in the future." On May 17, in response to the recent frequent fire incidents of electric vehicles, an industry expert told the reporter of 21st Century Business Herald express.
In fact, Tesla, Weilai, and BYD have had five accidents in China, which are just the tip of the iceberg that surfaced. According to incomplete statistics from public information, with the increase in ownership, the number of electric vehicle fire accidents in my country has increased year by year in the past few years. According to statistics from relevant departments, there were more than 40 electric vehicle fire accidents across the country in 2018. According to the statistics of special calls from charging pile companies, there were 11 electric vehicle fire incidents from April 21 to May 10 alone.
On the one hand, power batteries continue to pursue higher specific energy and higher charging rates, leading to increased safety hazards; on the other hand, early immature new energy vehicles have gradually entered a high-risk period after several years of operation. Calmly thinking about the rapid development of the electric vehicle industry in the past ten years, the most basic problem of battery safety is still an important threshold and must be given great attention.
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