Relevance: The values in the table for passenger cars are divided in values for mid-range cars (~400km driving range) and high-range cars (~600km driving range). Assuming an electric consumption of 15kWh/100 km the battery packs of mid-range cars will have ~60kWh and for long-range cars ~100kWh.
Li-ion-based batteries are utilized as the main energy source in BEVs, such as the Nissan Leaf, and Ni-MH batteries are frequently employed as backup energy sources in HEVs, such as the Toyota Prius. As a crucial module of EV, the battery has undergone a lengthy development process to fulfill the requirements of EV manufacturers.
The power requirement usually depends on vehicle type. For instance, performance-oriented cars and heavy-duty vehicles have different power needs. In some cases, improving power capability has to compromise energy density and increase the cost of thermal/electrical systems, so EV batteries need to balance different aspects of performance.
By 2023, the driving ranges of most competitive battery electric passenger cars are expected to reach more than 500 km, and that of long-range BEV model is expected to reach about 700 km. Fig. 2.
Relevance: In BEV the largest part in the overall vehicle cost is the battery pack. This indicator is important to understand the reduction on the costs of the battery system components. However, in certain heavy-duty applications, the total cost of ownership may be more relevant than simply considering only the battery pack costs.
Building on the Technical Roadmap launched in 2019, the new and updated roadmap reflects the performance improvements achieved to date and sets out new goals designed to tap the unlimited potential of advanced lead battery technology.
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