New type of bio-solar battery has higher power density!

Reading

Recently, researchers at Binghamton University and the State University of New York at U.S. have designed a miniature bio-based solar cell that has higher power density and longer working hours than existing batteries.

Keywords

Medical Electronics, Battery, Lab Lab, Sensors

background

For small electronic devices, biosensors, medical sensors, its power supply system is particularly critical. Today, let us first review the bio-battery system developed by Seokheun Choi, Assistant Professor of Electrical and Computer Science at Binghamton University:

The first is a microbial fuel cell that can run on bacteria in a few drops of dirty water and looks a bit like origami darts.


(Source: Binghamton University)

The other is a paper-based biofuel cell powered by bacteria that not only powers biosensors, but can also be used to purify the environment because microorganisms can break down contaminants.


(Source: Seokheun Choi)

technology

Seokheun Choi said that this type of microfluidic chip lab system, which can generate its own energy, is particularly critical for stand-alone, independent, self-sustaining point-of-care medical diagnostic devices that operate in resource-constrained and remote locations. For those applications, miniaturized bio-cells (micro-BSCs) will be the most suitable power source because this technology is similar to Earth's natural ecosystem.

Choi said:

“The miniaturized bio-based solar cells provide self-sustainable renewable clean energy through photosynthesis and respiration of the micro-organism's diurnal cycle. However, this technology has not yet been translated into practical applications because of its relatively low power and relatively short life cycle. short."

Choi and Ph.D. student Lin Liu designed a miniature, microfluidic, bio-based solar cell with high electrical power and long-term operational capability that will provide a practical and sustainable power supply for lab-on-a-chip applications.

value

In existing microbiological solar cells, this micro solar cell can produce the highest power density and the longest running time.

Choi said:

"The device promotes the limitations of the breakthrough concept research of bio-energy light conversion technology, and it promotes the technology to be practical and feasible for point-of-care diagnostic equipment that operates independently and in a remote and resource-constrained region. Continuous power application direction."

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