Swiss Researchers Have Invented Mushroom-Powered Batteries


(MENAFN- Swissinfo) Swiss researchers have built a battery from mushrooms that could power sensors used in Agriculture and environmental research.

This content was published on January 9, 2025 - 13:26 2 minutes Keystone-SDA
  • Deutsch de Schweizer Forscher haben mit Pilzen betriebene Batterien erfunden Original Read more: Schweizer Forscher haben mit Pilzen betriebene Batterien erfunde

The living battery does not produce much electricity but it could power sensors in remote regions, for example, as the Swiss Federal Laboratories for Materials Science and Technology (Empa) announced on Thursday. Such sensors are used in agriculture and environmental research.

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Strictly speaking, the mushroom battery is a microbial fuel cell. It uses the metabolism of two different types of fungi to generate electricity. At the anode, the negative pole of the cell, a yeast fungus is fed with sugar. As it processes these nutrients, it releases electrons. On the other side of the cell, a white rot fungus produces an enzyme that captures the electrons and conducts them out of the cell.

The battery is produced using a 3D printer. The mushroom cells are mixed into the printing ink. If the battery is dry, it does not produce any electricity. It is activated by adding water and nutrients.

Biodegradable

The biggest advantage of the mushroom battery is that, unlike conventional batteries, it is not only completely non-toxic, but also biodegradable.

The researchers led by Carolina Reyes presented the battery in a study in the journal ACS Sustainable Chemistry & Engineering. The researchers now want to make the mushroom battery more efficient and durable, as they explained in the Empa press release. They also want to look for other types of mushrooms that are suitable for supplying electricity.

Adapted from German by DeepL/ac

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