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MIT researchers create biodegradable batteries for ingestible medical devices

Battery design inspired by edible rice paper coating

1 Sep 21 · 2d ago · 1 article · 1 source · development 1 of 3

The battery uses a cellulose-based coating inspired by edible rice paper wrappers, dipped in beeswax to slow stomach acid degradation. The entire system is composed of magnesium (anode), molybdenum trioxide (cathode), and a biodegradable ionic liquid electrolyte that dissolves safely in the digestive tract.

Battery design inspired by edible rice paper coating
Nature News

“We were partly inspired by candies that have an edible rice-paper wrapper.”

Giovanni Traverso

Giovanni Traverso MIT mechanical engineer and gastroenterologistMehmet Girayhan Say MIT postdoc and lead authorReza Ghodssi University of Maryland electrical engineering professor

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1–2Battery design inspired by edible rice…3Expert says battery reduces size…
Sep 21Sep 22yesterdaynow · 1:00 AM ET

What was reported 2 claims about this development

  1. 1 outlet A new battery could make edible electronics safer

    first by The Economist, 2d ago

  2. 1 outlet Edible batteries inspired by rice paper power medical devices in the body

    first by Nature News, 3d ago

All 3 developments of MIT researchers create biodegradable batteries for… →

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