John Greenman's Outputs (105)

Microbial fuel cell compared to a chemostat (2022)
Journal Article

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.

Microbial fuel cells in the house: A study on real household wastewater samples for treatment and power (2021)
Journal Article

In line with the global movement towards sustainable buildings and dwellings, this work investigated the potential for integrating microbial fuel cell technology into future architecture. Various types of domestic greywater and wastewater from five d... Read More about Microbial fuel cells in the house: A study on real household wastewater samples for treatment and power.

Microbial fuel cells and their electrified biofilms (2021)
Journal Article

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

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.

Impact of inoculum type on the microbial community and power performance of urine-fed microbial fuel cells (2020)
Journal Article

Bacteria are the driving force of the microbial fuel cell (MFC) technology, which benefits from their natural ability to degrade organic matter and generate electricity. The development of an efficient anodic biofilm has a significant impact on the p... Read More about Impact of inoculum type on the microbial community and power performance of urine-fed microbial fuel cells.

Effect of microbial fuel cell operation time on the disinfection efficacy of electrochemically synthesised catholyte from urine (2020)
Journal Article

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.

Evaluation of artificial neural network algorithms for predicting the effect of the urine flow rate on the power performance of microbial fuel cells (2020)
Journal Article

© 2020 The Authors Microbial fuel cell (MFC) power performance strongly depends on the biofilm growth, which in turn is affected by the feed flow rate. In this work, an artificial neural network (ANN) approach has been used to simulate the effect of... Read More about Evaluation of artificial neural network algorithms for predicting the effect of the urine flow rate on the power performance of microbial fuel cells.

Scaling up self-stratifying supercapacitive microbial fuel cell (2020)
Journal Article

Self-stratifying microbial fuel cells with three different electrodes sizes and volumes were operated in supercapacitive mode. As the electrodes size increased, the equivalent series resistance decreased, and the overall power was enhanced (small: ES... Read More about Scaling up self-stratifying supercapacitive microbial fuel cell.

Developing 3D-printable cathode electrode for monolithically printed microbial fuel cells (MFCs) (2020)
Journal Article

© 2020 by the authors. Microbial Fuel Cells (MFCs) employ microbial electroactive species to convert chemical energy stored in organic matter, into electricity. The properties of MFCs have made the technology attractive for bioenergy production. Howe... Read More about Developing 3D-printable cathode electrode for monolithically printed microbial fuel cells (MFCs).

From the lab to the field: Self-stratifying microbial fuel cells stacks directly powering lights (2020)
Journal Article

The microbial fuel cell (MFC) technology relies on energy storage and harvesting circuitry to deliver stable power outputs. This increases costs, and for wider deployment into society, these should be kept minimal. The present study reports how a MFC... Read More about From the lab to the field: Self-stratifying microbial fuel cells stacks directly powering lights.

Air-breathing cathode self-powered supercapacitive microbial fuel cell with human urine as electrolyte (2020)
Journal Article

In this work, a membraneless microbial fuel cell (MFC) with an empty volume of 1.5 mL, fed continuously with hydrolysed urine, was tested in supercapacitive mode (SC-MFC). In order to enhance the power output, a double strategy was used: i) a double... Read More about Air-breathing cathode self-powered supercapacitive microbial fuel cell with human urine as electrolyte.

Electroosmotically generated disinfectant from urine as a by-product of electricity in microbial fuel cell for the inactivation of pathogenic species (2020)
Journal Article

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.

Resilience and limitations of MFC anodic community when exposed to antibacterial agents (2020)
Journal Article

This study evaluates the fate of certain bactericidal agents introduced into microbial fuel cell (MFC) cascades and the response of the microbial community. We tested the response of functioning urine fed MFC cascades using two very different bacteri... Read More about Resilience and limitations of MFC anodic community when exposed to antibacterial agents.

Scalability and stacking of self-stratifying microbial fuel cells treating urine (2020)
Journal Article

The scalability of Microbial fuel cells (MFCs) is key to the development of stacks. A recent study has shown that self-stratifying membraneless MFCs (S-MFCs) could be scaled down to 2 cm without performance deterioration. However, the scaling-up limi... Read More about Scalability and stacking of self-stratifying microbial fuel cells treating urine.

Microbial fuel cell stack performance enhancement through carbon veil anode modification with activated carbon powder (2020)
Journal Article

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.

Development of efficient electroactive biofilm in urine-fed microbial fuel cell cascades for bioelectricity generation (2020)
Journal Article

The Microbial fuel cell (MFC) technology harnesses the potential of some naturally occurring bacteria for electricity generation. Digested sludge is commonly used as the inoculum to initiate the process. There are, however, health hazards and practic... Read More about Development of efficient electroactive biofilm in urine-fed microbial fuel cell cascades for bioelectricity generation.

Microbial fuel cells directly powering a microcomputer (2019)
Journal Article

© 2019 The Authors Many studies have demonstrated that microbial fuel cells (MFC) can be energy-positive systems and power various low power applications. However, to be employed as a low-level power source, MFC systems rely on energy management circ... Read More about Microbial fuel cells directly powering a microcomputer.

A comprehensive study of custom-made ceramic separators for microbial fuel cells: Towards "living" bricks (2019)
Journal Article

Towards the commercialisation of microbial fuel cell (MFC) technology, well-performing, cost-effective, and sustainable separators are being developed. Ceramic is one of the promising materials for this purpose. In this study, ceramic separators made... Read More about A comprehensive study of custom-made ceramic separators for microbial fuel cells: Towards "living" bricks.

Long Term Feasibility Study of In-field Floating Microbial Fuel Cells for Monitoring Anoxic Wastewater and Energy Harvesting (2019)
Journal Article

© 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.

Living architecture: Toward energy generating buildings powered by microbial fuel cells (2019)
Journal Article

In this study, possibilities of integrating microbial fuel cell (MFC) technology and buildings were investigated. Three kinds of conventional house bricks from two different locations were tested as MFC reactors and their electrochemical characterist... Read More about Living architecture: Toward energy generating buildings powered by microbial fuel cells.