Giant illite deposit found in South Korea

What happened before and after this story. Background events not previously covered were summarised by AI.

1. 1 Jan 2024Background

   Study tests Yeongdong illite as filler in solid-state battery electrolytes

   A 2024 paper in the journal Coatings examined illite from Korea's Yeongdong region as a filler in polymer solid electrolytes for lithium-ion batteries.

2. 

   13 Nov

   South Korea finds the world's biggest known illite deposit, 20 times China's

   A 104.5-million-tonne illite deposit in Yeongdong is the largest known anywhere, about 20 times China's. The clay is used in everything from batteries to saunas.