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.

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.

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).