[ESG & Green Technology Management Column] "The Promise and Reality of Future Mobility: The Gap Between Academia and Industry"

[ESG·RE100·Green Technology Management Column] Choi Bong-hyeok, Columnist (Director, Korea Association for Public Procurement)

■ Scientific Breakthroughs and Commercialization Hurdles of 5-Minute Charging Battery Technology

A paper published in _Science_ in May 2024 by a research team from the Department of Materials Science and Engineering at KAIST showed a revolutionary advancement in the field of solid-state batteries. They achieved less than 5% capacity reduction after 800 cycles with 5-minute charging, maintaining stability even at voltages exceeding 4.8V using sulfide-based solid electrolytes. Theoretically, this translates to a 5-minute charge for an electric vehicle battery capable of traveling 600km.

However, reality is different.

As of 2024, the average charging speed for commercially available electric vehicle batteries is 20-30 minutes (80% charge) for DC fast charging, and even Tesla's latest 4680 battery takes 15 minutes.

According to a 2023 analysis by the Oak Ridge National Laboratory (ORNL), over 90% of solid-state battery technologies successful in laboratory settings see their efficiency drop to below 50% during mass production.

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Source: theESG news (https://www.esgre100.com)