https://www.vice.com/en_us/article/z34zv8/your-electric-car-could-run-on-crabs-one-day

Alternatives to the conventional battery have been explored before, but a team of researchers from the University of Maryland and University of Houston have uncovered a surprising solution often reserved for coastal dinner plates: crabs. More specifically, an electrolyte found in crab shells could help scientists build a better battery.

Their findings were published Thursday in the peer-reviewed journal Matter.