The Future Will Be Full Of Mushroom Batteries

The Future Will Be Full Of Mushroom Batteries

The portabello mushroom: Great with grilled onions and ketchup, sure, but this fungus can do a lot more than console vegetarians at barbecues. In the future, the humble portabello mushroom might power everything from our smartphones to our cars.

The anodes in the lithium ion batteries that charge our devices are made of graphite, a material that’s expensive to produce and leaves a trail of toxic waste along the way. But as researchers are now discovering, portabello mushrooms — biodegradable by nature — might do the job even better. Their molecular structure is sturdy enough to store energy while porous enough to enable efficient energy transfer.

And while graphite slowly decays due to electrical damage, the high potassium salt concentration in mushroom skin actually improves its capacity over time.

“With battery materials like this, future cell phones may see an increase in run time after many uses, rather than a decrease,” Brennan Campbell, a materials science graduate student at UC Riverside said in a statement.

The Future Will Be Full Of Mushroom Batteries

Diagram showing how mushrooms are turned into a material for battery anodes. Image Credit: UCR News

Campbell is part a team of engineers that’s just developed the world’s first fungal battery anode, built of the heat-treated skin of portabello mushrooms. The concept, reinforcing our infrastructure, nature’s decomposers are full of untapped potential.

And when it comes to batteries, we’re unlocking that potential just in time. Analysts predict that by 2020, we’ll need to fabricate nearly 816,466,266kg of raw graphite for EV anodes alone. If mushroom farms can help reduce that demand, well, sign me up for the leftovers.

[Read the full scientific paper at Nature Scientific Reports h/t UCR News]

Top image via Shutterstock


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