Institute of Bio-Sensing Technology

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IBST is a member of Medilink South West, the region’s life science industry network.


IBST is a member of the Health & Life Sciences Sector Group.

Our purpose is to engage with local life sciences, health and social care organisations to explore areas that could be developed to promote the health and life sciences business sector in the West of England LEP region.

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Microbial Fuel Cells

Photometric stereo Microbial Fuel Cells (MFC) employ live bacteria to produce electricity by breaking down organic matter. The technology commonly consists of two halfcells – an anode and a cathode – that are separated by an ion selective membrane. Commonly bacteria are in the anode side, and chemicals or oxygen are in the cathode side, which complete the reactions (ie close the circuit) to generate power.

This technology looks at utilising a wide range of organic compounds that are considered to be waste, for creating energy. The MFC technology may have potential in a domestic or village setting for the micro-generation of energy.

Applications primarily include Autonomous Robotics, stand-alone Remote Sensing, Waste and Wastewater treatment and utilisation. Further developments may include the powering of other specialised off-the-grid equipment such as portable IT systems, Environmental Monitoring tools and Medical Support apparatus.

Examples of projects

The MFCs technology has already been used to generate power for autonomous robots, such as EcoBot-I (powered by sugar), EcoBot-II (powered by flies and rotten fruit diet) and EcoBot- III (powered by wastewater).

The new project, ‘Urine-tricity: electricity from urine',  aims to produce electricity from urine through stacks of small-scale microbial fuel cells whilst at the same time cleaning the urine stream and getting rid of pathogens that may be found in urine.

The project, if successful, has the potential to achieve energy recovery from urine and other waste streams, and produce a cleaner effluent, which is dischargeable into the environment without expensive wastewater treatment in developing world countries.

Find out more

Dr Ioannis Ieropoulos Lead researcher
Dr Ioannis Ieropoulos, University of the West of England

For more information about Microbial Fuel Cells, please visit the Bristol Robotics Laboratory website.