SEOUL, March 15 (Reuters) - Volkswagen has notified South Korean battery makers about its plan to gradually switch batteries to a prismatic type from the current pouch type, two sources with knowledge of the matter told Reuters on Monday.
Volkswagen declined to comment. Supplier LG Energy Solution, a unit of LG Chem, said it does not comment on market speculation. SK Innovation, another Volkswagen battery supplier, declined to comment. (Reporting by Heekyong Yang in Seoul; Additional reporting by Christoph Steitz in Frankfurt; Writing by Joyce Lee)