lithium battery

　　Application of New Energy Vehicle Industry

　　The overall goal for the development of new energy vehicles in China is to achieve a cumulative production and sales volume of 5 million new energy vehicles by 2020, and the scale of China's energy-saving and new energy vehicle industry ranks among the top in the world. Lithium iron phosphate batteries are widely used in passenger cars, buses, logistics vehicles, low-speed electric vehicles, and other fields due to their advantages of good safety and low cost. Although in the current field of new energy passenger vehicles, influenced by the national subsidy policy for new energy vehicles, ternary batteries dominate due to their energy density advantage, lithium iron phosphate batteries still occupy an irreplaceable advantage in fields such as buses and logistics vehicles. In the field of passenger cars, lithium iron phosphate batteries accounted for approximately 76%, 81%, and 78% of the recommended vehicle models for the promotion and application of new energy vehicles in the 5th, 6th, and 7th batches of 2018 (hereinafter referred to as the "Catalogue"), still maintaining the mainstream. In the field of specialized vehicles, lithium iron phosphate batteries accounted for about 30%, 32%, and 40% of the 5th, 6th, and 7th batches of the "Catalogue" in 2018, respectively, and their application proportion gradually increased.

　　Yang Yusheng, an academician of the CAE Member, believes that the use of lithium iron phosphate battery in the incremental electric vehicle market can not only improve the safety of vehicles, but also support the marketization of incremental electric vehicles, and eliminate the anxiety of pure electric vehicles in terms of mileage, safety, price, charging, and subsequent battery problems. During the period from 2007 to 2013, many car companies launched projects to increase the number of pure electric vehicles.

　　Start the application on the power supply

　　Starting type lithium iron phosphate batteries not only have the characteristics of power lithium batteries, but also have the ability to instantly output large power. They replace traditional lead-acid batteries with power type lithium batteries with energy less than one kilowatt hour, and replace traditional starting motors and generators with BSG motors. They not only have the function of idle start and stop, but also have the functions of engine shutdown and sliding, sliding and braking energy recovery, acceleration assistance, and electric cruise.

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