"By 2027, Hyundai says its next-gen battery packs will be 30% cheaper and deliver 15% more energy density. For context, today's Ioniq 5 with an 84-kilowatt-hour pack has an energy density of 670 watt-hours per liter, according to Hyundai. A 15% bump would push that above 770 Wh/L, which should translate into a longer driving range. And that's on top of the fact that the Ioniq 5, Ioniq 6 and Ioniq 9 all deliver well over 300 miles of EPA range already."
"Charging speeds will see similar gains. Hyundai promised 15% shorter charging times across its lineup. That may sound modest on paper, but shaving a few minutes at a fast charger is no small feat. The standard-range Ioniq 5 today can charge from 10% to 80% in 24 minutes on a 350-kilowatt charger. Cutting that down to under 20 minutes isn't as easy as it sounds. It will take serious improvements in chemistry, cooling and thermal management."
Hyundai plans to introduce next-generation high-voltage battery packs beginning in 2027. The new packs will be about 30% cheaper and provide roughly 15% higher energy density, raising energy density metrics above 770 Wh/L for models like the Ioniq 5 and extending driving range. Charging times are expected to improve by about 15%, reducing typical 10%–80% sessions and requiring advances in chemistry, cooling, and thermal management. Hyundai has analyzed data from 50,000 Ioniq 5s to monitor battery aging and is aligning battery development with expanding higher-powered U.S. charging infrastructure.
Read at InsideEVs
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