Skip to main content

Research Repository

Advanced Search

Outputs (53)

Impact of disinfectant on the electrical outputs of urine-fed ceramic and membrane-less microbial fuel cell cascades (2024)
Journal Article
You, J., Walter, X. A., Gajda, I., Greenman, J., & Ieropoulos, I. (2024). Impact of disinfectant on the electrical outputs of urine-fed ceramic and membrane-less microbial fuel cell cascades. International Journal of Hydrogen Energy, 57, 759-763. https://doi.org/10.1016/j.ijhydene.2024.01.042

The application of microbial fuel cells in sanitation has demonstrated feasibility in supplying electricity and providing safety in underserved communities, especially at toilet blocks. Two different designs of urine fed MFC cascades, ceramic MFCs (c... Read More about Impact of disinfectant on the electrical outputs of urine-fed ceramic and membrane-less microbial fuel cell cascades.

Impact of feedstock dilution on the performance of urine-fed ceramic and membrane-less microbial fuel cell cascades designs (2023)
Journal Article
Walter, X. A., You, J., Gajda, I., Greenman, J., & Ieropoulos, I. (2023). Impact of feedstock dilution on the performance of urine-fed ceramic and membrane-less microbial fuel cell cascades designs. Journal of Power Sources, 561(30), 232708. https://doi.org/10.1016/j.jpowsour.2023.232708

Recent advancements in the microbial fuel cell (MFC) field have led to the deployment of pilot-scale autonomous sanitation systems converting the organic content of urine into electricity to power lights in decentralised areas. Two designs have been... Read More about Impact of feedstock dilution on the performance of urine-fed ceramic and membrane-less microbial fuel cell cascades designs.

Microbial fuel cell compared to a chemostat (2022)
Journal Article
Greenman, J., Mendis, B. A., Gajda, I., & Ieropoulos, I. A. (2022). Microbial fuel cell compared to a chemostat. Chemosphere, 296, Article 133967. https://doi.org/10.1016/j.chemosphere.2022.133967

Microbial Fuel Cells (MFCs) represent a green and sustainable energy conversion system that integrate bacterial biofilms within an electrochemical two-electrode set-up to produce electricity from organic waste. In this review, we focus on a novel exp... Read More about Microbial fuel cell compared to a chemostat.

Integration of cost-efficient carbon electrodes into the development of microbial fuel cells (2022)
Book Chapter
You, J., Gajda, I., Greenman, J., & Ieropoulos, I. A. (2022). Integration of cost-efficient carbon electrodes into the development of microbial fuel cells. In Nanoporous Carbons for Soft and Flexible Energy Devices (43-57). Springer. https://doi.org/10.1007/978-3-030-81827-2_3

Microbial fuel cells are a renewable energy technology that can generate electricity from organic fuel such as wastewater, whilst simultaneously treating it. In order to implement this technology at larger scale, a major challenge is the choice of su... Read More about Integration of cost-efficient carbon electrodes into the development of microbial fuel cells.

Microbial fuel cell scale-up options: Performance evaluation of membrane (c-MFC) and membrane-less (s-MFC) systems under different feeding regimes (2021)
Journal Article
Walter, X. A., Madrid, E., Gajda, I., Greenman, J., & Ieropoulos, I. (2022). Microbial fuel cell scale-up options: Performance evaluation of membrane (c-MFC) and membrane-less (s-MFC) systems under different feeding regimes. Journal of Power Sources, 520, 230875. https://doi.org/10.1016/j.jpowsour.2021.230875

In recent years, bioelectrochemical systems have advanced towards upscaling applications and tested during field trials, primarily for wastewater treatment. Amongst reported trials, two designs of urine-fed microbial fuel cells (MFCs) were tested suc... Read More about Microbial fuel cell scale-up options: Performance evaluation of membrane (c-MFC) and membrane-less (s-MFC) systems under different feeding regimes.

Microbial fuel cells and their electrified biofilms (2021)
Journal Article
Greenman, J., Gajda, I., You, J., Mendis, B. A., Obata, O., Pasternak, G., & Ieropoulos, I. (2021). Microbial fuel cells and their electrified biofilms. Biofilms, 3, Article 100057. https://doi.org/10.1016/j.bioflm.2021.100057

Bioelectrochemical systems (BES) represent a wide range of different biofilm-based bioreactors that includes microbial fuel cells (MFCs), microbial electrolysis cells (MECs) and microbial desalination cells (MDCs). The first described bioelectrical b... Read More about Microbial fuel cells and their electrified biofilms.

Electrosynthesis, modulation, and self-driven electroseparation in microbial fuel cells (2021)
Journal Article
Gajda, I., You, J., Mendis, B. A., Greenman, J., & Ieropoulos, I. A. (2021). Electrosynthesis, modulation, and self-driven electroseparation in microbial fuel cells. iScience, 24(8), Article 102805. https://doi.org/10.1016/j.isci.2021.102805

Microbial electrosynthesis (MES) represents a sustainable platform that converts waste into resources, using microorganisms within an electrochemical cell. Traditionally, MES refers to the oxidation/reduction of a reactant at the electrode surface wi... Read More about Electrosynthesis, modulation, and self-driven electroseparation in microbial fuel cells.

Effect of microbial fuel cell operation time on the disinfection efficacy of electrochemically synthesised catholyte from urine (2020)
Journal Article
Merino-Jimenez, I., Obata, O., Pasternak, G., Gajda, I., Greenman, J., & Ieropoulos, I. (2021). Effect of microbial fuel cell operation time on the disinfection efficacy of electrochemically synthesised catholyte from urine. Process Biochemistry, 101, 294-303. https://doi.org/10.1016/j.procbio.2020.10.014

Microbial fuel cells (MFCs) offer an excellent solution to tackle some of the major challenges currently faced by humankind: sustainable energy sources, waste management and water stress. Besides treating wastewater and producing useful electricity f... Read More about Effect of microbial fuel cell operation time on the disinfection efficacy of electrochemically synthesised catholyte from urine.

A new method for urine electrofiltration and long term power enhancement using surface modified anodes with activated carbon in ceramic microbial fuel cells (2020)
Journal Article
Gajda, I., You, J., Santoro, C., Greenman, J., & Ieropoulos, I. A. (2020). A new method for urine electrofiltration and long term power enhancement using surface modified anodes with activated carbon in ceramic microbial fuel cells. Electrochimica Acta, 353, Article 136388. https://doi.org/10.1016/j.electacta.2020.136388

This work is presenting for the first time the use of inexpensive and efficient anode material for boosting power production, as well as improving electrofiltration of human urine in tubular microbial fuel cells (MFCs). The MFCs were constructed usin... Read More about A new method for urine electrofiltration and long term power enhancement using surface modified anodes with activated carbon in ceramic microbial fuel cells.

Electroosmotically generated disinfectant from urine as a by-product of electricity in microbial fuel cell for the inactivation of pathogenic species (2020)
Journal Article
Gajda, I., Obata, O., Greenman, J., & Ieropoulos, I. A. (2020). Electroosmotically generated disinfectant from urine as a by-product of electricity in microbial fuel cell for the inactivation of pathogenic species. Scientific Reports, 10, Article 5533. https://doi.org/10.1038/s41598-020-60626-x

This work presents a small scale and low cost ceramic based microbial fuel cell, utilising human urine into electricity, while producing clean catholyte into an initially empty cathode chamber through the process of electro-osmostic drag. It is the f... Read More about Electroosmotically generated disinfectant from urine as a by-product of electricity in microbial fuel cell for the inactivation of pathogenic species.

Urine in bioelectrochemical systems: An overall review (2020)
Journal Article
Santoro, C., Garcia, M. J. S., Walter, X. A., You, J., Theodosiou, P., Gajda, I., …Ieropoulos, I. (2020). Urine in bioelectrochemical systems: An overall review. ChemElectroChem, 7(6), 1312-1331. https://doi.org/10.1002/celc.201901995

In recent years, human urine has been successfully used as an electrolyte and organic substrate in bioelectrochemical systems (BESs) mainly due of its unique properties. Urine contains organic compounds that can be utilised as a fuel for energy recov... Read More about Urine in bioelectrochemical systems: An overall review.

Microbial fuel cell stack performance enhancement through carbon veil anode modification with activated carbon powder (2020)
Journal Article
Gajda, I., Greenman, J., & Ieropoulos, I. (2020). Microbial fuel cell stack performance enhancement through carbon veil anode modification with activated carbon powder. Applied Energy, 262, Article 114475. https://doi.org/10.1016/j.apenergy.2019.114475

The chemical energy contained in urine can be efficiently extracted into direct electricity by Microbial Fuel Cell stacks to reach usable power levels for practical implementation and a decentralised power source in remote locations. Herein, a novel... Read More about Microbial fuel cell stack performance enhancement through carbon veil anode modification with activated carbon powder.

Long-term bio-power of ceramic microbial fuel cells in individual and stacked configurations (2020)
Journal Article
Gajda, I., Obata, O., Jose Salar-Garcia, M., Greenman, J., & Ieropoulos, I. A. (2020). Long-term bio-power of ceramic microbial fuel cells in individual and stacked configurations. Bioelectrochemistry, 133, Article 107459. https://doi.org/10.1016/j.bioelechem.2020.107459

© 2020 The Authors In order to improve the potential of Microbial Fuel Cells (MFCs) as an applicable technology, the main challenge is to engineer practical systems for bioenergy production at larger scales and to test how the prototypes withstand th... Read More about Long-term bio-power of ceramic microbial fuel cells in individual and stacked configurations.

Microbial fuel cells, concept, and applications (2019)
Book Chapter
Santoro, C., Brown, M., Gajda, I., Greenman, J., Obata, O., García, M. J. S., …Ieropoulos, I. (2019). Microbial fuel cells, concept, and applications. In G. Thouand (Ed.), Handbook of Cell Biosensors (1-35). Springer International Publishing. https://doi.org/10.1007/978-3-319-47405-2_93-1

The first published report of microbial fuel cells (MFCs) was over 100 years ago, yet it is only recently that interest in the technology has grown exponentially with the discovery that bacteria can transfer electrons to the anode without the need fo... Read More about Microbial fuel cells, concept, and applications.

Long Term Feasibility Study of In-field Floating Microbial Fuel Cells for Monitoring Anoxic Wastewater and Energy Harvesting (2019)
Journal Article
Cristiani, P., Gajda, I., Greenman, J., Pizza, F., Bonelli, P., & Ieropoulos, I. (2019). Long Term Feasibility Study of In-field Floating Microbial Fuel Cells for Monitoring Anoxic Wastewater and Energy Harvesting. Frontiers in Energy Research, 7, https://doi.org/10.3389/fenrg.2019.00119

© Copyright © 2019 Cristiani, Gajda, Greenman, Pizza, Bonelli and Ieropoulos. In the present work different prototypes of floating MFCs have been tested in anoxic water environments of wastewater plants in Italy, over a period of 3 years. Several con... Read More about Long Term Feasibility Study of In-field Floating Microbial Fuel Cells for Monitoring Anoxic Wastewater and Energy Harvesting.

Microbial fuel cells (MFC) and microalgae; Photo microbial fuel cell (PMFC) as complete recycling machines (2019)
Journal Article
Greenman, J., Gajda, I., & Ieropoulos, I. (2019). Microbial fuel cells (MFC) and microalgae; Photo microbial fuel cell (PMFC) as complete recycling machines. Sustainable Energy and Fuels, 3(10), 2546-2560. https://doi.org/10.1039/c9se00354a

© 2019 The Royal Society of Chemistry. Humans can exploit natural processes by microorganisms by using Microbial Fuel Cells and integrated Photo Microbial Fuel Cells (MFC/PMFC) chambers containing electrodes to maximise microbial oxidation rates and... Read More about Microbial fuel cells (MFC) and microalgae; Photo microbial fuel cell (PMFC) as complete recycling machines.

Increased power generation in supercapacitive microbial fuel cell stack using Fe–N–C cathode catalyst (2018)
Journal Article
Santoro, C., Kodali, M., Shamoon, N., Serov, A., Soavi, F., Merino-Jimenez, I., …Atanassov, P. (2019). Increased power generation in supercapacitive microbial fuel cell stack using Fe–N–C cathode catalyst. Journal of Power Sources, 412, 416-424. https://doi.org/10.1016/j.jpowsour.2018.11.069

© 2018 The Authors The anode and cathode electrodes of a microbial fuel cell (MFC) stack, composed of 28 single MFCs, were used as the negative and positive electrodes, respectively of an internal self-charged supercapacitor. Particularly, carbon vei... Read More about Increased power generation in supercapacitive microbial fuel cell stack using Fe–N–C cathode catalyst.

Miniaturized ceramic-based microbial fuel cell for efficient power generation from urine and stack development (2018)
Journal Article
Gajda, I., Stinchcombe, A., Merino-Jimenez, I., Pasternak, G., Sanchez-Herranz, D., Greenman, J., & Ieropoulos, I. (2018). Miniaturized ceramic-based microbial fuel cell for efficient power generation from urine and stack development. Frontiers in Energy Research, 6(OCT), https://doi.org/10.3389/fenrg.2018.00084

© 2018 Gajda, Stinchcombe, Merino-Jimenez, Pasternak, Sanchez-Herranz, Greenman and Ieropoulos. One of the challenges in Microbial Fuel Cell (MFC) technology is the improvement of the power output and the lowering of the cost required to scale up the... Read More about Miniaturized ceramic-based microbial fuel cell for efficient power generation from urine and stack development.

Recent advancements in real-world microbial fuel cell applications (2018)
Journal Article
Gajda, I., Greenman, J., & Ieropoulos, I. (2018). Recent advancements in real-world microbial fuel cell applications. Current Opinion in Electrochemistry, 11, 78-83. https://doi.org/10.1016/j.coelec.2018.09.006

© 2018 Elsevier B.V. This short review focuses on the recent developments of the Microbial Fuel Cell (MFC) technology, its scale-up and implementation in real world applications. Microbial Fuel Cells produce (bio)energy from waste streams, which can... Read More about Recent advancements in real-world microbial fuel cell applications.

Small ceramic microbial fuel cell as a trigenerative system for electricity, organics degradation and urine filtration (2018)
Presentation / Conference
Gajda, I., Greenman, J., Santoro, C., Serov, A., Atanassov, P., & Ieropoulos, I. (2018, September). Small ceramic microbial fuel cell as a trigenerative system for electricity, organics degradation and urine filtration. Paper presented at AiMES 2018 : ECS and SMEQ Joint International Meeting, Cancun, Mexico

Bioelectrochemical systems are employing microbes as biocatalysts to convert waste into valuable resources. For example, a Microbial Fuel Cell (MFC) utilises chemical energy locked in human urine into direct electrical current and can be scaled-up to... Read More about Small ceramic microbial fuel cell as a trigenerative system for electricity, organics degradation and urine filtration.

Anode surface modification with activated carbon for improved power generation in urine fed Microbial Fuel Cells (2018)
Presentation / Conference
Gajda, I., You, J., Santoro, C., Greenman, J., & Ieropoulos, I. (2018, September). Anode surface modification with activated carbon for improved power generation in urine fed Microbial Fuel Cells. Poster presented at 69th Annual Meeting of the International Society of Electrochemistry, Bologna, Italy

Microbial Fuel Cells (MFCs) utilise organic feedstocks such as urine as fuel for direct electricity production, by employing anode respiring microbes that convert organic matter into electrons while treating waste. One possible approach to bring this... Read More about Anode surface modification with activated carbon for improved power generation in urine fed Microbial Fuel Cells.

Multi-functional microbial fuel cells for power, treatment and electro-osmotic purification of urine (2018)
Journal Article
Gajda, I., Greenman, J., Santoro, C., Serov, A., Atanassov, P., Melhuish, C., & Ieropoulos, I. (2019). Multi-functional microbial fuel cells for power, treatment and electro-osmotic purification of urine. Journal of Chemical Technology and Biotechnology, 94(7), 2098-2106. https://doi.org/10.1002/jctb.5792

© 2018 The Authors. Journal of Chemical Technology & Biotechnology published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry. BACKGROUND: In this work, a small-scale ceramic microbial fuel cell (MFC) with a novel type of metal–... Read More about Multi-functional microbial fuel cells for power, treatment and electro-osmotic purification of urine.

A New Method for Modulation, Control and Power Boosting in Microbial Fuel Cells (2018)
Journal Article
Ieropoulos, I., You, J., Gajda, I., & Greenman, J. (2018). A New Method for Modulation, Control and Power Boosting in Microbial Fuel Cells. Fuel Cells, 18(5), 663-668. https://doi.org/10.1002/fuce.201800009

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Microbial fuel cells (MFCs) are energy transducers, which through the metabolic reactions of facultative anaerobic microorganisms, transform the energy in organic matter directly into electricity. E... Read More about A New Method for Modulation, Control and Power Boosting in Microbial Fuel Cells.

Development of small scale ceramic Microbial Fuel Cells for clean energy extraction from urine (2018)
Presentation / Conference
Gajda, I., Walter, X. A., Obata, T., Greenman, J., & Ieropoulos, I. (2018, June). Development of small scale ceramic Microbial Fuel Cells for clean energy extraction from urine. Presented at 14th International Ceramics Congress 2018, Perugia, Italy

During the last 20 years great interest in Microbial Fuel Cells (MFCs) has intensified due to the extraction of clean electricity from waste streams such as urine. The technology is based on ceramic built MFCs in which the terracotta chassis is also... Read More about Development of small scale ceramic Microbial Fuel Cells for clean energy extraction from urine.

Ceramic Microbial Fuel Cells Stack: Power generation in standard and supercapacitive mode (2018)
Journal Article
Santoro, C., Flores-Cadengo, C., Soavi, F., Kodali, M., Merino-Jimenez, I., Gajda, I., …Atanassov, P. (2018). Ceramic Microbial Fuel Cells Stack: Power generation in standard and supercapacitive mode. Scientific Reports, 8(3281), https://doi.org/10.1038/s41598-018-21404-y

© 2018 The Author(s). In this work, a microbial fuel cell (MFC) stack containing 28 ceramic MFCs was tested in both standard and supercapacitive modes. The MFCs consisted of carbon veil anodes wrapped around the ceramic separator and air-breathing ca... Read More about Ceramic Microbial Fuel Cells Stack: Power generation in standard and supercapacitive mode.

Improved power and long term performance of microbial fuel cell with Fe-N-C catalyst in air-breathing cathode (2017)
Journal Article
Gajda, I., Greenman, J., Santoro, C., Serov, A., Melhuish, C., Atanassov, P., & Ieropoulos, I. (2018). Improved power and long term performance of microbial fuel cell with Fe-N-C catalyst in air-breathing cathode. Energy, 144, 1073-1079. https://doi.org/10.1016/j.energy.2017.11.135

© 2017 Power output limitation is one of the main challenges that needs to be addressed for full-scale applications of the Microbial Fuel Cell (MFC) technology. Previous studies have examined electrochemical performance of different cathode electrode... Read More about Improved power and long term performance of microbial fuel cell with Fe-N-C catalyst in air-breathing cathode.

Electricity production from human urine in ceramic microbial fuel cells with alternative non-fluorinated polymer binders for cathode construction (2017)
Journal Article
Salar-Garcia, M. J., Ortiz-Martinez, V., Gajda, I., Greenman, J., Hernández-Fernández, F. J., & Ieropoulos, I. (2017). Electricity production from human urine in ceramic microbial fuel cells with alternative non-fluorinated polymer binders for cathode construction. Separation and Purification Technology, 187, 436-442. https://doi.org/10.1016/j.seppur.2017.06.025

© 2017 Elsevier B.V. Polytetrafluoroethylene (PTFE) is one of the most common binders employed to prepare cathode electrodes in microbial fuel cells (MFCs) and yet this fluorinated polymer is neither sustainable nor environmentally friendly. In this... Read More about Electricity production from human urine in ceramic microbial fuel cells with alternative non-fluorinated polymer binders for cathode construction.

Self sustainable cathodes for microbial fuel cells (2016)
Thesis
Gajda, I. Self sustainable cathodes for microbial fuel cells. (Thesis). University of the West of England. Retrieved from https://uwe-repository.worktribe.com/output/908025

The ultimate goal of this thesis was to investigate and produce an MFC with self-sustainable cathode so it could be implemented in real world applications. Using methods previously employed [polarisation curve experiments, power output measurements,... Read More about Self sustainable cathodes for microbial fuel cells.

A review into the use of ceramics in microbial fuel cells (2016)
Journal Article
Winfield, J., Gajda, I., Greenman, J., & Ieropoulos, I. (2016). A review into the use of ceramics in microbial fuel cells. Bioresource Technology, 215, 296-303. https://doi.org/10.1016/j.biortech.2016.03.135

© 2016 The Authors. Microbial fuel cells (MFCs) offer great promise as a technology that can produce electricity whilst at the same time treat wastewater. Although significant progress has been made in recent years, the requirement for cheaper materi... Read More about A review into the use of ceramics in microbial fuel cells.

Microbial fuel cell – A novel self-powered wastewater electrolyser for electrocoagulation of heavy metals (2016)
Journal Article
Gajda, I., Stinchcombe, A., Greenman, J., Melhuish, C., & Ieropoulos, I. (2017). Microbial fuel cell – A novel self-powered wastewater electrolyser for electrocoagulation of heavy metals. International Journal of Hydrogen Energy, 42(3), 1813-1819. https://doi.org/10.1016/j.ijhydene.2016.06.161

© 2016 The Authors This paper describes the suitability of the Microbial Fuel Cell (MFC) for generation of electrical power with a simultaneous synthesis of active catholyte in the form of caustic solution. The active solution formed inside a terraco... Read More about Microbial fuel cell – A novel self-powered wastewater electrolyser for electrocoagulation of heavy metals.

Microalgae as substrate in low cost terracotta-based microbial fuel cells: Novel application of the catholyte produced (2016)
Journal Article
Ieropoulos, I. A., Hanczyc, M. M., Greenman, J., Ortiz-Martínez, V. M., Gajda, I., Salar-García, M. J., …Ieropoulos, I. (2016). Microalgae as substrate in low cost terracotta-based microbial fuel cells: Novel application of the catholyte produced. Bioresource Technology, 209, 380-385. https://doi.org/10.1016/j.biortech.2016.02.083

© 2016 Elsevier Ltd. In this work, the by-product generated during the operation of cylindrical MFCs, made out of terracotta material, is investigated as a feasible means of degrading live microalgae for the first time. In addition to the low cost ma... Read More about Microalgae as substrate in low cost terracotta-based microbial fuel cells: Novel application of the catholyte produced.

Small scale ceramic MFCs for efficient energy harvesting from wastewater and full system development (2016)
Presentation / Conference
Gajda, I., Greenman, J., Melhuish, C., & Ieropoulos, I. (2016, May). Small scale ceramic MFCs for efficient energy harvesting from wastewater and full system development. Presented at The Electrochemical Society, 29th ECS Meeting, San Diego, CA, USA

The main aim of this work was to increase the efficiency of the ceramic based MFCs by compacting the design and exploring the ceramic support as the building block for small scale modular multi-unit systems. The improved energy density would then all... Read More about Small scale ceramic MFCs for efficient energy harvesting from wastewater and full system development.

Electricity and disinfectant production from wastewater: Microbial Fuel Cell as a self-powered electrolyser (2016)
Journal Article
Gajda, I., Greenman, J., Melhuish, C., & Ieropoulos, I. A. (2016). Electricity and disinfectant production from wastewater: Microbial Fuel Cell as a self-powered electrolyser. Scientific Reports, 6(25571), https://doi.org/10.1038/srep25571

This study presents a simple and sustainable Microbial Fuel Cell as a standalone, self-powered reactor for in situ wastewater electrolysis, recovering nitrogen from wastewater. A process is proposed whereby the MFC electrical performance drives the e... Read More about Electricity and disinfectant production from wastewater: Microbial Fuel Cell as a self-powered electrolyser.

Scaling-up of a novel, simplified MFC stack based on a self-stratifying urine column (2016)
Journal Article
Walter, X. A., Gajda, I., Forbes, S., Winfield, J., Greenman, J., & Ieropoulos, I. (2016). Scaling-up of a novel, simplified MFC stack based on a self-stratifying urine column. Biotechnology for Biofuels, 9(1), https://doi.org/10.1186/s13068-016-0504-3

© 2016 Walter et al. Background: The microbial fuel cell (MFC) is a technology in which microorganisms employ an electrode (anode) as a solid electron acceptor for anaerobic respiration. This results in direct transformation of chemical energy into e... Read More about Scaling-up of a novel, simplified MFC stack based on a self-stratifying urine column.

Study of the effects of ionic liquid-modified cathodes and ceramic separators on MFC performance (2016)
Journal Article
Ieropoulos, I., Hernández-Fernández, F. J., Greenman, J., Salar-García, M. J., Gajda, I., Ortiz-Martínez, V. M., …Ieropoulos, I. (2016). Study of the effects of ionic liquid-modified cathodes and ceramic separators on MFC performance. Chemical Engineering Journal, 291, 317-324. https://doi.org/10.1016/j.cej.2016.01.084

© 2016 Elsevier B.V. Ceramic-based MFC designs have proven to be a low cost alternative for power production and wastewater treatment. The use of ionic liquids in ceramic MFCs is explored for the first time in the present work in order to improve pow... Read More about Study of the effects of ionic liquid-modified cathodes and ceramic separators on MFC performance.

Microbial Fuel Cell-driven caustic potash production from wastewater for carbon sequestration (2016)
Journal Article
Gajda, I., Greenman, J., Melhuish, C., Santoro, C., & Ieropoulos, I. (2016). Microbial Fuel Cell-driven caustic potash production from wastewater for carbon sequestration. Bioresource Technology, 215, 285-289. https://doi.org/10.1016/j.biortech.2016.04.004

© 2016 The Authors. This work reports on the novel formation of caustic potash (KOH) directly on the MFC cathode locking carbon dioxide into potassium bicarbonate salt (kalicinite) while producing, instead of consuming electrical power. Using potassi... Read More about Microbial Fuel Cell-driven caustic potash production from wastewater for carbon sequestration.

The practical implementation of microbial fuel cell technology (2016)
Book Chapter
Ieropoulos, I., Winfield, J., Gajda, I., Walter, X. A., Papacharalampos, G., Merino Jimenez, I., …Greenman, J. (2016). The practical implementation of microbial fuel cell technology. In K. Scott, & E. Hao Yu (Eds.), Microbial Electrochemical and Fuel Cells (357-380). Woodhead (Elsevier). https://doi.org/10.1016/B978-1-78242-375-1.00012-5

© 2016 Elsevier Ltd. All rights reserved. New green technologies are emerging in response to decades of damaging human activity. Among those are microbial fuel cells (MFCs), electric transducers that transform wet organic matter into electricity via... Read More about The practical implementation of microbial fuel cell technology.

Pee power urinal-microbial fuel cell technology field trials in the context of sanitation (2016)
Journal Article
Ieropoulos, I., Stinchcombe, A., Gajda, I., Forbes, S., Merino-Jimenez, I., Pasternak, G., …Greenman, J. (2016). Pee power urinal-microbial fuel cell technology field trials in the context of sanitation. Environmental Science: Water Research & Technology, 2(2), 336-343. https://doi.org/10.1039/c5ew00270b

This paper reports on the pee power urinal field trials, which are using microbial fuel cells for internal lighting. The first trial was conducted on Frenchay Campus (UWE, Bristol) from February-May 2015 and demonstrated the feasibility of modular MF... Read More about Pee power urinal-microbial fuel cell technology field trials in the context of sanitation.

Microbial fuel cell - A self-powered wastewater electrolyser for electrocoagulation (2015)
Presentation / Conference
Gajda, I., Stinchcombe, A., Greenman, J., Melhuish, C., & Ieropoulos, I. (2015, December). Microbial fuel cell - A self-powered wastewater electrolyser for electrocoagulation. Presented at EFC15 European Fuel Cell Technology & Applications - Piero Lunghi Conference, Naples, Italy

This abstract describes the suitability of the Microbial Fuel Cell (MFC) for generation of electrical power with a simultaneous synthesis of active catholyte in the form of caustic solution. The active solution was a product of self-powered electroly... Read More about Microbial fuel cell - A self-powered wastewater electrolyser for electrocoagulation.

Electro-osmotic-based catholyte production by Microbial Fuel Cells for carbon capture (2015)
Journal Article
Gajda, I., Greenman, J., Melhuish, C., Santoro, C., Li, B., Cristiani, P., & Ieropoulos, I. (2015). Electro-osmotic-based catholyte production by Microbial Fuel Cells for carbon capture. Water Research, 86, 108-115. https://doi.org/10.1016/j.watres.2015.08.014

© 2015 The Authors. In Microbial Fuel Cells (MFCs), the recovery of water can be achieved with the help of both active (electro-osmosis), and passive (osmosis) transport pathways of electrolyte through the semi-permeable selective separator. The elec... Read More about Electro-osmotic-based catholyte production by Microbial Fuel Cells for carbon capture.

Self-sustainable electricity production from algae grown in a microbial fuel cell system (2015)
Journal Article
Gajda, I., Greenman, J., Melhuish, C., & Ieropoulos, I. (2015). Self-sustainable electricity production from algae grown in a microbial fuel cell system. Biomass and Bioenergy, 82, 87-93. https://doi.org/10.1016/j.biombioe.2015.05.017

© 2015 The Authors. This paper describes the potential for algal biomass production in conjunction with wastewater treatment and power generation within a fully biotic Microbial Fuel Cell (MFC). The anaerobic biofilm in the anodic half-cell is genera... Read More about Self-sustainable electricity production from algae grown in a microbial fuel cell system.

Simultaneous electricity generation and microbially-assisted electrosynthesis in ceramic MFCs (2015)
Journal Article
Gajda, I., Greenman, J., Melhuish, C., & Ieropoulos, I. (2015). Simultaneous electricity generation and microbially-assisted electrosynthesis in ceramic MFCs. Bioelectrochemistry, 104, 58-64. https://doi.org/10.1016/j.bioelechem.2015.03.001

© 2015 Elsevier B.V. To date, the development of microbially assisted synthesis in Bioelectrochemical Systems (BESs) has focused on mechanisms that consume energy in order to drive the electrosynthesis process. This work reports - for the first time... Read More about Simultaneous electricity generation and microbially-assisted electrosynthesis in ceramic MFCs.

Ceramic MFCs with internal cathode producing sufficient power for practical applications (2015)
Journal Article
Gajda, I., Stinchcombe, A., Greenman, J., Melhuish, C., & Ieropoulos, I. (2015). Ceramic MFCs with internal cathode producing sufficient power for practical applications. International Journal of Hydrogen Energy, 40(42), 14627-14631. https://doi.org/10.1016/j.ijhydene.2015.06.039

© 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved. This communication reports on the potential of using MFCs for powering real world applications, whereby three interconnected MFCs directly energise an external... Read More about Ceramic MFCs with internal cathode producing sufficient power for practical applications.

Cathode materials for ceramic based microbial fuel cells (MFCs) (2015)
Journal Article
Santoro, C., Artyushkova, K., Gajda, I., Babanova, S., Serov, A., Atanassov, P., …Cristiani, P. (2015). Cathode materials for ceramic based microbial fuel cells (MFCs). International Journal of Hydrogen Energy, 40(42), 14706-14715. https://doi.org/10.1016/j.ijhydene.2015.07.054

© 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved. This study showed the electrochemical performance of different cathode electrodes tested on a ceramic separator functioning as a cation exchange membrane. Part... Read More about Cathode materials for ceramic based microbial fuel cells (MFCs).

Ceramic MFCs for energy conversion in practical applications (2014)
Presentation / Conference
Gajda, I., Stinchcombe, A., Greenman, J., Melhuish, C., & Ieropoulos, I. (2014, December). Ceramic MFCs for energy conversion in practical applications. Paper presented at Euro-mediterranean Hydrogen Technologies Conference 2014 (EmHyTeC2014), Taormina, Italy

Simultaneous electricity generation and microbially-assisted electrosynthesis in MFCs (2014)
Presentation / Conference
Gajda, I., Greenman, J., Melhuish, C., & Ieropoulos, I. (2014, October). Simultaneous electricity generation and microbially-assisted electrosynthesis in MFCs. Paper presented at 226th ECS Meeting,Electrochemical Society, Cancun, Mexico

Microbial Fuel Cells (MFCs) are bio-electrochemical transducers that generate electricity as a direct result of microbial metabolism, when breaking down organic matter for continuous growth and maintenance. On the other hand, Microbial Electrolysis C... Read More about Simultaneous electricity generation and microbially-assisted electrosynthesis in MFCs.

Artificial photosynthesis coupled with electricity generation - microbial fuel cells as artificial plants (2014)
Presentation / Conference
Gajda, I., Greenman, J., Stinchcombe, A., Melhuish, C., & Ieropoulos, I. (2014, July). Artificial photosynthesis coupled with electricity generation - microbial fuel cells as artificial plants. Paper presented at ALIFE 14: The Fourteenth International Conference on the Synthesis and Simulation of Living Systems, NY, USA

To meet the global goal of carbon reduction process there is a need to develop an artificial system that may act as an autonomous CO2 scrubber. This paper describes the direct electricity generation by the Microbial Fuel Cell with the simultaneous bi... Read More about Artificial photosynthesis coupled with electricity generation - microbial fuel cells as artificial plants.

Algal 'lagoon' effect for oxygenating MFC cathodes (2014)
Journal Article
Gajda, I., Stinchcombe, A., Greenman, J., Melhuish, C., & Ieropoulos, I. (2014). Algal 'lagoon' effect for oxygenating MFC cathodes. International Journal of Hydrogen Energy, 39(36), 21857-21863. https://doi.org/10.1016/j.ijhydene.2014.05.173

© 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved. This paper describes the active oxygenation performed by photosynthetic organisms in the cathode of a two-chamber Microbial Fuel Cell system. The algal biomass... Read More about Algal 'lagoon' effect for oxygenating MFC cathodes.

Water formation at the cathode and sodium recovery using Microbial Fuel Cells (MFCs) (2014)
Journal Article
Gajda, I., Greenman, J., Melhuish, C., Santoro, C., Li, B., Cristiani, P., & Ieropoulos, I. (2014). Water formation at the cathode and sodium recovery using Microbial Fuel Cells (MFCs). Sustainable Energy Technologies and Assessments, 7, 187-194. https://doi.org/10.1016/j.seta.2014.05.001

Microbial Fuel Cells (MFCs) utilise biodegradable carbon compounds in organic waste to generate electric current. The aim of this work was to enhance MFC performance by using low cost and catalyst (platinum)-free cathode materials. The results showed... Read More about Water formation at the cathode and sodium recovery using Microbial Fuel Cells (MFCs).

Algal "lagoon" effect for oxygenating MFC cathodes (2013)
Conference Proceeding
Gajda, I., Greenman, J., Melhuish, C., & Ieropoulos, I. (2013). Algal "lagoon" effect for oxygenating MFC cathodes. In V. Cigolotti, C. Barchiesi, & M. Chianella (Eds.), Proceedings of the 5th European Fuel Cell Piero Lunghi Conference. , (193-194)

Copyright © 2013 Delta Energy and Environment. This paper describes the active oxygenation performed by the photosynthetic organisms in the cathode of a two-chamber Microbial Fuel Cell system. The algal growth provided dissolved oxygen to the cathode... Read More about Algal "lagoon" effect for oxygenating MFC cathodes.

Photosynthetic cathodes for microbial fuel cells (2013)
Journal Article
Gajda, I., Greenman, J., Melhuish, C., & Ieropoulos, I. (2013). Photosynthetic cathodes for microbial fuel cells. International Journal of Hydrogen Energy, 38(26), 11559-11564. https://doi.org/10.1016/j.ijhydene.2013.02.111

One of the major limiting factors in the practical implementation of Microbial Fuel Cells is finding efficient and sustainable catalysts for the cathode half reaction, in an attempt to avoid expensive and/or toxic catalysts. The use of phototrophic o... Read More about Photosynthetic cathodes for microbial fuel cells.