Korean researchers print a solid-state battery layer like a sticker over 120 cm²
A KRICT team in Korea developed a transfer printing method that makes thin, uniform layers for solid-state batteries.
Researchers made a very thin layer for a safer battery, in a way that is like sticking on a label. It is still a lab test.
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Why it matters
Making thin layers over large areas is a step toward safer, cheaper solid-state batteries.
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The details
- The layer covers 120 cm² with an average thickness of 15 micrometres.
- Ionic conductivity is 2.83×10⁻⁴ S/cm, about 50% higher than direct coating.
- After 100 charge cycles the cells kept 83.6% of capacity, against 36.1% for direct coating.
- A pouch cell held stable voltage at 150°C for 2.5 hours.
- The work is lab-scale with prototype cells, and no product date is given.
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