CR1620 battery

The future main force of CR1620 battery technology

Nickel-metal hydride batteries have also entered a mature stage and are a battery technology that is widely commercialized in hybrid vehicle batteries. According to statistics, among existing hybrid vehicles, the market share of nickel-metal hydride power batteries is as high as over 98%. Both Toyota Prius and Honda Civic plug-in hybrid vehicles use nickel-metal hydride batteries. "From the perspective of the development trend of power batteries, lithium batteries will be the main force in the future. Various car companies have regarded the development of lithium batteries as the main direction of new energy vehicles. This includes lithium iron phosphate, lithium cobalt oxide, lithium manganate, and three Yuan materials, etc. "A technical staff of a Japanese brand said that this is mainly due to the high working voltage of lithium batteries, which is three times that of nickel-cadmium batteries and hydrogen-nickel batteries; the specific energy can reach 165WH/kg, which is higher than that of nickel-hydrogen batteries. 3 times; coupled with the characteristics of small size, light weight, long cycle life, and low self-discharge rate. Currently, models such as the BMW i3, Nissan leaf, Tesla Model S, GM Volt and Ford Focus EV all use lithium-ion battery technology. my country's BYD's new E6 is expected to be equipped with a lithium iron manganese phosphate battery, which breaks through the energy density limit of traditional lithium iron phosphate batteries and reaches the ternary material level (about 150Wh/Kg), with an efficiency increase of 60%. The battery adoption system is in urgent need of rapid development of battery technology, which directly promotes the rapid development of new energy vehicles. Data show that in April, my country produced 9,060 new energy vehicles, a year-on-year increase of 1.5 times; in the first four months, my country produced a total of 34,400 new energy vehicles, a year-on-year increase of nearly 3 times. However, the rapid development of new energy vehicles has also brought other troubles. In the future, the large-scale use of power batteries will be a problem that has to be faced. It is predicted that based on the current development rate of new energy vehicles, the cumulative scrap volume of power lithium batteries will reach 20,000 to 40,000 tons this year, and will reach 120,000 to 170,000 tons by 2020. At present, China has only clearly stated in the "Energy Saving and New Energy Vehicle Industry Development Plan (2012-2020)" that it is necessary to formulate CR1620 battery procurement and use management procedures, establish a CR1620 battery cascade use and selection management system, and clarify the relevant parties. responsibilities, rights and tasks. Guide CR1620 battery production companies to strengthen the collection and utilization of used batteries, and encourage the development of specialized battery collection and utilization enterprises. Wu Feng, a professor at Beijing Institute of Technology, said that although electric vehicles achieve zero emissions, power batteries have high pollution characteristics. my country should continue to work hard to establish corresponding standards for new energy vehicle power batteries, although they have not yet reached the period of large-scale scrapping.

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