Hyundai has really pulled off an impressive move by removing the traditional 12V lead-acid battery from its Ioniq Hybrid model, marking it as the first car globally to do so. This shift has resulted in a notable 11.8 kg reduction in weight, which is a 2.4% improvement.
If you take a closer look, you'll notice that modern engineering has replaced the conventional 12V AGM battery with a lithium-ion battery. These two components have been integrated into what is now called a hybrid integrated battery system. The lithium battery module is cleverly positioned alongside the high-voltage battery, operating at a rated voltage of 12.8V (estimated to be a configuration of 4S4P) with a capacity of 30Ah and an output power of 1.8kW.
Comparing the Ioniq to the Prius 4, the former boasts a larger high-voltage battery capacity of 1.56 kWh, while the latter has 0.75 kWh. This difference gives the Ioniq an edge in terms of fuel efficiency, especially in high-speed segments and integrated MPG modes, allowing it to outperform the Prius in certain scenarios.
In terms of transmission systems, both DCT and ECVT technologies are employed, creating a competitive setup. It’s also worth noting that in the EV version of the Ioniq, the 12V AGM battery is still in use.
The implications of these technological advancements are significant. For companies that manufacture traditional lead-acid and AGM batteries, this could pose a challenge. As we delve deeper into the new system, we can anticipate changes in the way the 12V control system operates. This includes modifications to DC-DC converters, power distribution boxes, and 12V BMS management designs.
This shift represents more than just a change in battery technology; it signals a broader exploration into how vehicles can be made more efficient and sustainable. It opens up opportunities for innovation in vehicle systems and brings us closer to a future where electric vehicles dominate the market.
As we continue to follow these developments, it's clear that the automotive industry is undergoing rapid transformation. Traditional manufacturing processes may need to adapt quickly to keep pace with these changes, making this a pivotal moment for the sector.
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