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| New energy car recombustion still need to modify lithium manganese acid flame retardant |
| Time：2019-08-03 Source：SMM Views：11120 |
| July 7, SMM - July 5 afternoon, a new energy vehicle charging station in hongshan district, wuhan city, a geely electric car suddenly billowing black smoke, smoke mainly from the rear of the vehicle, the scene did not appear open fire. After receiving the warning, hongshan nanhu fire squadron 2 fire trucks, 12 firefighters rushed to the scene, at this time the ground under the vehicle has been blackened, firefighters immediately use water gun to cool down the vehicle. Until the manufacturer's technical personnel arrive at the scene, in order to prevent the vehicle from burning or reburning, the plan is to remove the power battery at the bottom of the vehicle. Firefighters and others worked together to roll over the smoking geely electric car and remove the power battery underneath under the guidance of technicians. Later, firefighters used a dry powder fire extinguisher to cover the fire again to remove potential dangers. According to the ministry issued in June on the hidden perils in the new energy automotive safety work notice, all the car companies in its new energy car burst into flames after the accident, should be timely to carry out the investigation of the accidents, and report the basic information of the accident within 12 hours, details within 48 hours of such active reporting new energy vehicles work joint conference led by department and equipment center. Vice minister xin guobin, a member of the party group of the ministry of industry and information technology, recently delivered a keynote speech at the 2019 world new energy automobile conference (WNEVC). Xin guobin nearby time new energy automotive industry wide attention, new energy vehicles, the author introduce the safety problem for new energy vehicles in the near future a fire accident happens, the ministry and take effective measures, on the one hand, from research and development production, fire control using link, speed up and improve the comprehensive and effective safety guarantee system, further implement the industry department's main body responsibility, new energy vehicles on fire accident. On the other hand, the ministry of industry and information technology organized the preparation of electric vehicle safety guidelines, launched the new energy vehicle safety initiative, and carried out a series of actions such as how to safely use electric vehicles, reduce the safety risks of new energy vehicles, and create a good social environment. Earlier, many spontaneous combustion and smoke accidents occurred in nextev. A few days ago, weilai automobile co., ltd. was entrusted to record the recall plan to the state administration of market supervision and administration in accordance with the requirements of "regulations on recall management of defective automobile products" and "implementation measures of regulations on recall management of defective automobile products". Starting from June 27, 2019, the recall includes 4,803 nextev ES8 electric vehicles with power battery packs manufactured between April 2, 2018 and October 19, 2018. After investigation, it is found that the voltage sampling harness in the battery module is squeezed by the cover plate, and the short-circuit risk of low-voltage sampling harness may occur under some extreme conditions, which has potential safety risks. At present, the development of lithium batteries is the general trend, but at the same time of rapid development, we should fully consider the use safety of power batteries and formulate relevant control measures. |
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