How does electric car battery explosion consumers?

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - Pembekal Stesen Janakuasa Mudah Alih

Expert point of view: ◇ At present, my country's electric vehicles generally exceed the standard, the production and sales of these over-standard products reflect the dereliction of law enforcement departments. In this regard, not only the law enforcement department should increase the law enforcement, but also to develop strict standards according to the real situation to protect the public's life and property safety. ◇ It is necessary to regular safety inspection of electric vehicles, especially electric vehicles, can be used to learn from the form of car annual inspection, and the relevant policies are issued to regular safety inspections on vehicles with electricity as all or part of the power system.

◇ Consumers want to buy regular manufacturers products, to understand the size, strength, test indicators, insurance payment, etc. when buying the car. مسٹر

Guo did not think that electric car batteries that were placed in the room often, suddenly exploded and burned a house, his daughter Xiaojuan was also killed. Recently, this trial of social attention in Chaoyang District, Beijing Chaoyang District. In recent years, the accident due to electric vehicle battery explosion.

After the accident, how about the consumer faces? How does electric car battery safety? In this regard, the reporter interviewed the professor of Hebei University of Technology Liang Guangchuan, Qiu Baochang, head of my country Consumer Association Lawyers Group. Battery explosion accident consumers are more trapped, Mr. Guo tells reporters.

On the evening of the incident, Xiaojuan will be charged in the room of electric cars that will be unloaded, but caused explosion. The fire accident certificate of the Chaoyang District Public Security Fire Brigade determined that the fire is caused by the failure of the charging battery appliance. مسٹر

Guo couples will electric automobile manufacturers Tianjin Taifeng Bird Electric Automobile Co., Ltd. (hereinafter referred to as "Tianjin Taifeng") and supporting battery manufacturer Chaowei Power Co.

، لمیٹڈ (hereinafter referred to as "Super Will Power"). "The electric car produced by Tianjin Taifeng has a 'Bird' sign, but there is no indication of any 'bird-specific battery on the charging battery that caused the fire.

The charging battery has nothing to do with the bird's brand. "At that, Tianjin Taifeng's agent lawyer said that Tianjin Taifeng does not have the production conditions of the charging battery, and has never produced electric vehicle charging battery. The agency lawyer of the super-power supply also said that the super-power supply only produces a bare battery in the battery, the cause of the fire should be the connection line short circuit, the cable involved is not the production of Superwater power supply.

In the end, the two sides agreed to conduct professional identification of the battery involved. مسٹر Guo's agent told reporters that because they worried about the evidence of evidence, they did not dare to remove the wreckage after the explosion of the battery, which was originally an electric car manufacturer as the defendant.

When I opened the court for the first time, I opened the wreck shell in the court, and I showed a sign of Chao Wei batteries. The bird electric car also admitted that the Chaowan battery is supplier. مسٹر

Guo, husband and wife, the ultraordin power supply. Electric vehicle manufacturers need to be responsible for electric vehicles. It is reported that most of the electric vehicle manufacturers on the market are only responsible for assembly, and there is no production conditions for electric vehicle batteries.

مسٹر Guo's agent emphasizes that although electric vehicle manufacturers do not produce batteries, product responsibility is strict responsibility, manufacturers have unbailful responsibilities. Liang Guangchuan told reporters that electric automotive manufacturers directly facing consumers and must bear direct responsibility.

After the safety accident, the electric car manufacturer is the subject of payment, but the electric car manufacturer can retain the rights to the battery manufacturer to pursue follow-up responsibility. "As long as it is the product of the electric car brand, it is sold in its name, the manufacturer is responsible for the electric vehicle. "Qiu Baochang told reporters that electric automotive manufacturers as the manufacturer of products, to be responsible for each component within the product, check the parts of the products, and ensure its safety.

Consumers have no understanding of the producers of each component, and don't understand. After the accident, consumers can put manufacturers or sales regulations. As for whether it belongs to a component failure, it is a problem between manufacturers and components manufacturers.

Qiu Baochang said that the current electric car in my country has generally exceeded the standard, these too fast or too heavy electric cars are road killer. Production and sales of over-standard products also reflect the dereliction of loss of law enforcement. In this regard, not only the law enforcement department should increase the law enforcement, but also to develop strict standards according to the real situation to protect the public's life and property safety.

"The criterion is coming to the interests of interest. "Qiu Baochang said that most standards are currently formed in the industry, but standards involving public interests should be developed by the country. When formulating standards, you can absorb the opinions of each manufacturer in the industry, but you can't let it dominate the grass.

It should be made with no interest relationship with them, understand the relevant professional technical knowledge, the third party with qualification and related experience, participate in the drafting. Current battery security certification mode There is a full rechargeable battery that includes a full rechargeable battery, including connecting lines (in series) and multi-battery batteries between the receptacle or patch panel, charger, and multi-piece batteries. At present, the national standard containing the battery is important in 1999, the national standard (hereinafter referred to as "17761 national standard") and the electric power of the electric boost published in 2008 (hereinafter referred to as "No.

22199 ")Wait. Among them, the national standard requirements of 17761, "The nominal voltage of the battery should not be greater than 48V". State 24199 Requirements: The battery is tested in accordance with relevant requirements.

When the outside is in the absence of fire, there should be no burning or explosion. "In the case of meeting these requirements, the battery itself has sufficient safety without fire. "The agency lawyer of the super-power supply, in the case of the charger in accordance with the current and voltage of the charger, the battery does not have flammable substances during the entire charging process, nor does it happen to other threats of security.

It is understood that most of my country's battery production will send the production of battery samples to test institutions identified by various provincial-level quality and technical supervision departments, and apply the contents required by the national standard of 22199, see if it is in line with it. , And issue test reports. "At present, the sample is sent by the manufacturer, so it is easy to do your hands and feet.

"Liang Guangchuan introduced that many manufacturers are used to use good batteries, and the actual production is far from being sent. Some battery manufacturers send the tested battery to apply the membrane with imported ceramic, but in the actual production of ordinary separators, the cost will reduce half. He suggested that it should be transferred to the supervisory body of the supervisory body, but this must have legal or industry regulations.

Battery New National Standard Project Another Drag "The nearest electric vehicle standard requires that the battery pack of electric vehicles has the only correspondence with the frame number, so that the responsibility of the battery manufacturer is easy. "Liang Guangchuan told reporters, the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Environment, Ministry of Commerce, the AQSIQ jointly issued the" Electric Automotive Battery Recycling Technology Policy (2015 Edition) ", which clearly proposes to establish a coding system to establish a battery recovery and reuse Traceable system. When purchasing batteries in the factory, it is necessary to see the battery products of each manufacturer.

Now the identification technology is mature, and the general battery pack manufacturers can supply a unique identifier for the battery pack. He said that the battery currently targets electric bicycles, there is no standard to identify numbers, but some big battery manufacturers have also available supply unique identifiers. "In recent years, although electric vehicles have introduced many new standards, the electric bicycle field is still along the national standard 17761 1999.

"Liang Guangchuan introduced, the core content of the national standard 17761 is also the" 2040 "of the bottleneck, requiring the highest speed to exceed 20 kilometers / hour, the quality of the whole vehicle cannot exceed 40 kg. The current actual market demand and actual production and sales are basically the so-called "super standard car". Liang Guangchuan said, in May 2015, the Ministry of Industry and Information Technology, the Ministry of Public Security, the State Administration for Industry and Commerce, the National Quality Administration of Quality Supervision, clearly proposes that the national standard of "Electric Bicycle General Technical Conditions" National Standards will promote the introduction of new "electric bicycle general technology" ", Replacing the old standard of electric bicycles, but during the introduction, it is repeatedly postponed for various reasons.

According to the requirements of 2015 "New National Standard", many "unqualified" cars will become "qualified" car. Compared with the national standard 17761, the most important changes in 2015 "New National Standard" are required for the maximum speed of no more than 25km / h, and the quality of the battery is not more than 55kg. "Especially pay attention to the quality of the whole vehicle is not more than 55kg '.

"Liang Guangchuan explained that the company and businesses who attach great importance to the development and production of light lithium tram, in the face of 2015" New National Standard "will usher in opportunities. Because the lead-acid battery is generally overweight, the conventional lead-acid battery or the like will face the elimination, so there is a lead-acid battery manufacturer to oppose the "new national standard". He also said that many traffic accidents currently caused by electric bicycles, because the braking force of overweight electric bicycles does not meet the requirements.

"2015 new national standard '" is already the trend of unstoppable, just time problems. "Liang Guangchuan emphasizes that lead-acid battery manufacturers only transform, such as turning to lithium-ion batteries, can not be eliminated by the market. Electric vehicles realize regular inspections or to enforce the official microblogging of Shijiazhuang Municipal Public Security Bureau, Hebei Province, said that the battery can reach 1200 ° C after 3 minutes, and the accident occurred in the charging process.

Battery car self-appliance line short circuit, charger line overload, electric vehicle battery failure is an important cause of accidents. It is reported that the electric car battery present on the current market is important to four power storage batteries, ie valve lead-acid-free maintenance storage batteries, colloid lead-acid batteries, nickel-hydrogen storage batteries and lithium ion batteries. Battery used on electric bicycles, important lead-acid batteries.

According to the "my country's Civil Safety Inspection Rules", the lead-acid battery is classified as corrosive items due to its induction of sulfuric acid, rather than flammable and explosive items. Many lithium ion batteries in the fields of mobile phones, are placed in the range of flammable and explosive items. Liang Guangchuan introduced that the lead-acid battery does not have explosions.

It is important for the wire short circuit. The nickel-hydrogen battery is also very safe, because the electrolyte is aqueous solution, there is no explosion, and the lithium electrolyte is organic liquid, the diaphragm is only more than a dozen Micrometers, the most prone to explosion, is also the least insecure system. A battery area of ​​Guangzhou Polytechnic University said that the current valve lead-acid-free maintenance storage battery and colloidal lead-acid battery have been widely used in power storage of various cars, that is, common battery, which is generally used for fuel stuffed plugs and Light lighting, etc.

The electric vehicle should be high energy density battery pack system, which generally uses a lithium ion battery, and the safety of lithium ion batteries and nickel-hydrogen batteries is largely loaded (lithium ion battery pack) and involves high explosion, high leaks likelihood hydrogen. So the security is lower than the previous two batteries. At present, the electric vehicle with lithium-ion batteries is increasing in life.

The battery pack to be composed of one or two hundred batteries, the more the number of batteries, the greater the possibility of overall defects, and general electric The battery pack of the car is very large because of the quantity, volume, and weight, once problems, the danger is very dangerous. The expert said that it is very necessary to regular safety inspection of electric vehicles, especially electric vehicles, can learn from the form of automotive annual inspection, issued relevant policies, and force vehicles with electricity as all or part of the powertrain for regular safety inspection. Some people think that the service life of electric car batteries is 1 year to 2 years, then replace it.

"Electric vehicle battery explosions and consumers are not regularly replaced by battery replacement. "Liang Guangchuan said that the battery explosion is important is caused by misuse, wire, and interface aging. The consumer replacement battery is important because the battery is consuming, the motor vehicle mileage is shortened, which is market consumption behavior.

Currently, the replacement of electric car batteries has not been required. He suggests that consumers must purchase a regular manufacturer product, to understand the size, strength, test indicators, insurance payment of battery manufacturers when buying a car.