A rechargeable battery made from food

https://techxplore.com/news/2023-04-rechargeable-battery-food.html

"like beings' redox reactions... riboflavin anode, quercetin cathode, activated charcoal increase of conductivity, water based electrolyte, nori seaweed separator,  beeswax encapsulated electrodes and cellulose derived support... 0.65 V,and 48 μA for 12 minutes... health diagnostics, food quality monitoring and edible soft robotics"