Ulla Lassi from Kempel was sitting on a train when she discovered that old batteries could be made into fertilizer – now she has developed a battery chemical that is coveted around the world

Sometimes the best ideas come to mind unexpectedly. While running, washing dishes, or taking a nap. When the mind is allowed to wander freely.

Dedicated to Ulla Ras This happens all the time.

Several years ago, his research group worked closely with a company that was trying to figure out how to reuse the raw materials of alkaline batteries—the common AA and AAA cells that nearly everyone has in their homes.

The researchers’ experiments have hit dead ends again and again. These batteries contain large amounts of zinc and manganese, but no reasonable way to use them has been found.

Lacy remembers sitting on the train when an idea from college came to his mind.