Chinese battery manufacturer CATL presented its new Shenxing Plus LFP battery at the ongoing Auto China 2024 exhibition in Beijing.
The energy density is also higher due to the improved battery architecture. The battery housing, which consists of one block, is adapted to the structure of the cells. This allowed CATL engineers to fit more storage capacity into the volume of the case.
CATL said the gravimetric energy density of the new product is 205 Wh per kg. For comparison: current LFP batteries achieve approximately 190 Wh per kg.
The Shenxing Plus can be loaded with a high C-rate of four. Charging at a C rate of four would fully charge a 90 kWh battery in 15 minutes. This would require a charging capacity of 360 kW. The amount of energy required for a 4C charging process depends on the capacity of the battery. For example, a 100 kWh battery would require 400 kW of charging power.
CATL leaves the exact capacity of the battery secret in the product presentation. However, the manufacturer said that it should be possible to charge the energy required for a 600 km journey within 10 minutes. This means that 1 km of range is charged into the battery every second. A full charge for a range of 1,000 km can reportedly be achieved in 16.6 minutes.
To make this possible, the manufacturer used a number of technologies, such as anodes and cathodes covered with different coatings for higher conductivity. The internal battery management system also uses artificial intelligence to predict the impact of high-current charging at the cell level.
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