Main Development Issues And Solutions For Automotive Systems

The first constraint on the development of pure electric vehicles is the battery's endurance. At present, electric vehicles used in the market generally have a range of 100-300km after completing a single charge, and can only be guaranteed by maintaining an appropriate driving speed and having a good battery regulation system. The issue of range has become the main drawback of electric vehicles. Secondly, the lifespan of the battery is relatively short. The allowable number of charges and discharges for ordinary batteries is only 300-400, and even for high-performance batteries, the number of charges and discharges is only 700-900. Based on 200 charges and discharges per year, the lifespan of a battery is at most 4 years. [4]
The main solutions to the above problems, while controlling costs, are: firstly, reducing the number of members or increasing the interior space to carry more batteries, but blindly increasing the number of batteries has significant limitations. The increase in the number of batteries will inevitably increase the mass of the entire vehicle and the driving resistance of the vehicle, so there is an urgent need to develop energy storage devices for electric vehicles with higher specific power and energy. The second is to carry out energy-saving design for electric vehicles.