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New Biobattery Could Replace Oil, Coal and Solar Energy

Monday, December 11, 2017 22:09

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A research team led by faculty at Binghamton University, State University of New York has developed an entirely textile-based, bacteria-powered bio-battery that could one day be integrated into wearable electronics.

Binghamton University researcher Seokheun “Sean” Choi is developing new ways to create electricity using bacteria. His small, paper-based batteries and microbial fuel cells could one day replace oil, coal or even solar energy.

This entirely textile-based, bacteria-powered bio-battery could one day be integrated into wearable electronics.

The research team, led by Binghamton University Electrical and Computer Science Assistant Professor Seokheun Choi, created an entirely textile-based biobattery that can produce maximum power similar to that produced by his previous paper-based microbial fuel cells. Additionally, these textile-based biobatteries exhibited stable electricity-generating capability when tested under repeated stretching and twisting cycles.

This entirely textile-based, bacteria-powered bio-battery could one day be integrated into wearable electronics.

Credit: Seokheun Choi

Choi said that this stretchable, twistable power device could establish a standardized platform for textile-based biobatteries and will be potentially integrated into wearable electronics in the future.

Credit: Binghamton University, State University of New York

“There is a clear and pressing need for flexible and stretchable electronics that can be easily integrated with a wide range of surroundings to collect real-time information,” said Choi. “Those electronics must perform reliably even while intimately used on substrates with complex and curvilinear shapes, like moving body parts or organs. We considered a flexible, stretchable, miniaturized biobattery as a truly useful energy technology because of their sustainable, renewable and eco-friendly capabilities.”

Compared to traditional batteries and other enzymatic fuel cells, microbial fuel cells can be the most suitable power source for wearable electronics because the whole microbial cells as a biocatalyst provide stable enzymatic reactions and a long lifetime, said Choi. Sweat generated from the human body can be a potential fuel to support bacterial viability, providing the long-term operation of the microbial fuel cells.

Binghamton University Electrical and Computer Science Assistant Professor Seokheun Choi

Credit: Binghamton University, State University of New York

“If we consider that humans possess more bacterial cells than human cells in their bodies, the direct use of bacterial cells as a power resource interdependently with the human body is conceivable for wearable electronics,” said Choi.

This work was supported by the National Science Foundation, the Binghamton University Research Foundation and the Binghamton University ADL (Analytical and Diagnostics Laboratory) Small Grant.

The paper, “Flexible and Stretchable Biobatteries: Monolithic Integration of Membrane-Free Microbial Fuel Cells in a Single Textile Layer,” was published in Advanced Energy Materials.

Contacts and sources:
John Brhel
Binghamton University, State University of New York

Source: http://www.ineffableisland.com/2017/12/new-biobattery-could-replace-oil-coal.html

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