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New IEE System Doubles EV Battery Capacity, Boosts Durability

5/21/2025

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Summary

Story summary

Researchers from POSTECH and Sogang University have unveiled a groundbreaking Interlocking Electrode–Electrolyte (IEE) system that can double electric vehicle battery capacity. This innovative design tackles the challenges of silicon's volume expansion, achieving an impressive energy density of 403.7 Wh/kg, paving the way for more durable batteries in electric vehicles and consumer electronics.

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Story summary

Researchers from POSTECH and Sogang University have unveiled a groundbreaking Interlocking Electrode–Electrolyte (IEE) system that can double electric vehicle battery capacity. This innovative design tackles the challenges of silicon's volume expansion, achieving an impressive energy density of 403.7 Wh/kg, paving the way for more durable batteries in electric vehicles and consumer electronics.