Abstract

Automobile is the symbol of modern industrial civilization, which is inseparable from people's production and life. At present, electric vehicles have entered a period of rapid development. Electric vehicles have the advantages of low pollution, low emission, low energy consumption, low noise and high efficiency, and have incomparable advantages in environmental protection and new energy utilization, which is an effective way to solve the energy crisis and environmental pollution problems. As the power source of electric vehicles, battery directly affects the power and economy of electric vehicles. It is of great significance to fully grasp the performance of batteries and develop high-performance batteries suitable for electric vehicles for optimizing and matching the power system parameters of electric vehicles, improving the power performance of electric vehicles and extending the effective driving range. Taking lead-acid batteries as an example, this paper analyzes the discharge characteristics of new energy batteries, points out the direction for battery product design optimization, performance improvement and product optimization and upgrading, and provides data support and decision-making basis for technological innovation and industrial upgrading of new energy vehicles and key components.

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