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Related Experiment Video

Updated: May 20, 2025

Characterizing Electron Transport through Living Biofilms

Characterizing Electron Transport through Living Biofilms

Published on: June 1, 2018

Dissolvable Probiotic-Powered Biobatteries: A Safe and Biocompatible Energy Solution for Transient Applications.

Maryam Rezaie¹, Maedeh Mohammadifar¹, Seokheun Choi^1,2

¹Bioelectronics & Microsystems Laboratory, Department of Electrical & Computer Engineering, State University of New York at Binghamton, Binghamton, NY, 13902, USA.

Small (Weinheim an Der Bergstrasse, Germany)

|March 26, 2025

Summary

Scientists developed a transient biobattery using probiotics that harmlessly dissolves after use. This safe, disappearing power source enables new applications for transient electronics in medicine and environmental monitoring.

Keywords:

biocompatible bioresorbable electronics transient biobattery biosafe probiotic biocatalysts transient electronics

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Area of Science:

Materials Science
Biotechnology
Electrical Engineering

Background:

Transient electronics offer disappearing electronic devices, but lack transient power sources.
Microbial biobatteries exist but pose toxicity risks, limiting them to single-use applications.

Purpose of the Study:

To introduce a safe, transient biobattery powered by probiotics that dissolves harmlessly.
To demonstrate a tunable power delivery system for transient electronic applications.

Main Methods:

Fabricated biobatteries on water-soluble or pH-responsive substrates using a 15-strain probiotic blend.
Generated electricity using diverse electrode materials.
Manipulated device length and pH-sensitive polymer encapsulation to control power delivery duration (4 min to over 100 min).

Main Results:

A single module produced 4 µW of power, 47 µA of current, and 0.65 V open-circuit voltage.
Power delivery was successfully tuned from 4 minutes to over 100 minutes.
The biobattery dissolved harmlessly, releasing only beneficial microbes.

Conclusions:

This transient biobattery represents a breakthrough in safe and effective bioenergy systems.
It opens new opportunities for transient biomedical implants, environmental sensors, and disposable electronics.