Meet John Liu, the student who used corn stalks and wheat straw to recover lithium from dilute water |
Image: @JJYAj/YouTube/AI Regenerated Lithium is a crucial ingredient in rechargeable batteries, but recovering it from dilute sources can be difficult and energy-intensive. John Liu, a high school student from St. Paul, Minnesota, approached that problem by looking at materials that are usually left behind after harvest: corn stalks and wheat straw. His project, titled ‘Passive…
