Pure electric car battery retired is expected to replace streetlights

As zero-emission electric vehicles quickly enter the city's public transportation, sanitation, and private car sectors, many citizens and environmentalists are particularly concerned about the final destination of lithium-ion batteries for electric vehicles. The Municipal Science and Technology Commission disclosed to the reporter’s exclusive report yesterday that the draft for the re-use, recovery and scrapping standards of electric vehicle batteries has been drafted, and some of the batteries are expected to transform into energy storage devices for solar street lamps after their retirement.

Compared with traditional fuel-energy vehicles, pure electric vehicles have the unique advantage of zero emissions. However, as its “energy cube”, how will the old battery that was replaced be disposed of? Prior to this, many people in the industry expressed concern about this: If the problem of battery recycling is not solved, new emissions and pollution are likely to occur. According to statistics, a small coin cell can contaminate about 600,000 liters of water, which is equivalent to the amount of water consumed by a person for a lifetime.

Under the support of the Science and Technology Commission of the Municipal Science and Technology Commission, the Beijing Municipal Bureau of Quality and Technical Supervision organized relevant units of this city to draft a draft standard for the maintenance, reuse, recycling, and retirement of lithium-ion batteries for electric vehicles.

“From the current standards, the final outcome of pure electric vehicle batteries is mainly reuse, recycling and scrapping.” According to relevant person in charge of the Municipal Science and Technology Commission, under normal circumstances, the service life of lithium-ion batteries is about 5 years. When the actual energy of the battery is less than 80%, and the appearance is intact and not damaged, and the functional elements are effective, the battery will be considered for secondary use. The initial plan is to charge the solar panel's electrode plates; it can also be used on short-distance field vehicles or tour buses in parks. "It is worth mentioning that in the process of secondary use, the temperature, humidity, voltage level, and ventilation and heat dissipation conditions of the lithium-ion battery environment are the same as those in a pure electric vehicle."

For waste lithium-ion batteries that cannot be reused, workers will disassemble it. "It will generally be divided into sorting, mechanical dismantling, separation, purification and other steps." The responsible person said that we will disassemble the useful components of the battery, such as high-value metal components will be proposed and used, Graphite and other elements will be treated by landfill.

In order to control the pollution at the end of the battery, the standard also stipulates that the enterprises responsible for the disposal of waste batteries should have a sewage treatment station to process the sewage, rainwater, and electrolyte flowing out of the recycling plant. Residues and other residues generated by the battery are all It should be managed according to hazardous wastes. In addition, we must strictly limit the noise pollution of the surrounding environment.