Imperial College London

Professor Nigel Brandon OBE FREng

Faculty of Engineering

Dean of the Faculty of Engineering
 
 
 
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Contact

 

+44 (0)20 7594 8600n.brandon Website

 
 
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Location

 

2.06Faculty BuildingSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

399 results found

Somalu MR, Yufit V, Brandon NP, 2013, The effect of solids loading on the screen-printing and properties of nickel/scandia-stabilized-zirconia anodes for solid oxide fuel cells, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, Vol: 38, Pages: 9500-9510, ISSN: 0360-3199

JOURNAL ARTICLE

Chakrabarti MH, Brandon NP, Hashim MA, Mjalli FS, AlNashef IM, Bahadori L, Manan NSA, Hussain MA, Yufit Vet al., 2013, Cyclic Voltammetry of Iron (III) Acetylacetonate in Quaternary Ammonium and Phosphonium Based Deep Eutectic Solvents, INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE, Vol: 8, Pages: 9652-9676, ISSN: 1452-3981

JOURNAL ARTICLE

Somalu MR, Yufit V, Shapiro IP, Xiao P, Brandon NPet al., 2013, The impact of ink rheology on the properties of screen-printed solid oxide fuel cell anodes, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, Vol: 38, Pages: 6789-6801, ISSN: 0360-3199

JOURNAL ARTICLE

Mook WT, Aroua MK, Chakrabarti MH, Low CTJ, Aravind PV, Brandon NPet al., 2013, The application of nano-crystalline PbO2 as an anode for the simultaneous bio-electrochemical denitrification and organic matter removal in an up-flow undivided reactor, ELECTROCHIMICA ACTA, Vol: 94, Pages: 327-335, ISSN: 0013-4686

JOURNAL ARTICLE

Lanzini A, Leone P, Guerra C, Smeacetto F, Brandon NP, Santarelli Met al., 2013, Durability of anode supported Solid Oxides Fuel Cells (SOFC) under direct dry-reforming of methane, CHEMICAL ENGINEERING JOURNAL, Vol: 220, Pages: 254-263, ISSN: 1385-8947

JOURNAL ARTICLE

Ruiz-Trejo E, Boldrin P, Lubin A, Tariq F, Brandon N, Fearn S, Chater R, Atkinson A, Tighe C, Darr Jet al., 2013, Silver-ceria composites for oxygen separation from air, 224th Electrochemical society meeting

CONFERENCE PAPER

Guerra C, Lanzini A, Leone P, Santarelli M, Smeacetto F, Fiorili S, Gondolini A, Mercadelli E, Sanson A, Brandon NPet al., 2013, Comparison of the catalytic properties of SOFC anode supports under dry reforming of methane, Pages: 73-74

Copyright © 2013 Delta Energy and Environment. The work investigates the catalytic properties of different SOFC anode substrates towards the chemical conversion of methane and carbon dioxide into H2 and CO-rich mixtures. The analysis is carried out by means of experiments in micro-reactor configuration. A mass spectrometer is provided to analyze the composition of the gas mixture leaving the reactor and thus allowing the evaluation of methane conversion rate. Furthermore, Temperature Programmed Oxidation (TPO) experiments are performed on the anode samples aiming at the analysis of material activity towards the cracking reaction of methane. Anode substrates based on different materials and microstructures are taken into account. The work features the effect of materials' composition and microstructure on the methane conversion rate and carbon cracking.

CONFERENCE PAPER

Somalu MR, Muchtar A, Baboli MG, Yufit V, Shapiro IP, Xiao P, Brandon NPet al., 2013, Understanding the Relationship between Ink Rheology and Film Properties for Screen-Printed Nickel/Scandia-Stabilized-Zirconia Anodes, 13th International Symposium on Solid Oxide Fuel Cells (SOFC-XIII), Publisher: ELECTROCHEMICAL SOC INC, Pages: 1321-1330, ISSN: 1938-5862

CONFERENCE PAPER

Mazur C, Contestabile M, Offer GJ, Brandon NPet al., 2013, Understanding the automotive industry: German OEM behaviour during the last 20 years and its implications, World Electric Vehicle Journal, Vol: 6, Pages: 1054-1067, ISSN: 2032-6653

© 2013 WEVA Page. This work presents a study of how the automotive industry has responded in the last 20 years to pressures driven by economic and environmental issues, and by the transition towards electric mobility. Timelines for the major German automotive OEMs are presented to understand the industry's behaviour in the past in order to design suitable policies that are appropriate to reach future goals around the electrification of road transport. Based upon a comparison of the pressures arising in the automotive sector and the companies' behaviour with regard to technology choice and R&D, a set of hypotheses concerning this behaviour is then presented.

JOURNAL ARTICLE

Maher RC, Duboviks V, Offer G, Cohen LF, Brandon NPet al., 2013, In-operando Raman Characterization of Carbon Deposition on SOFC Anodes, 13th International Symposium on Solid Oxide Fuel Cells (SOFC-XIII), Publisher: ELECTROCHEMICAL SOC INC, Pages: 1619-1626, ISSN: 1938-5862

CONFERENCE PAPER

Duboviks V, Maher RC, Offer G, Cohen LF, Brandon NPet al., 2013, In-Operando Raman Spectroscopy Study of Passivation Effects on Ni-CGO Electrodes in CO2 Electrolysis Conditions, 13th International Symposium on Solid Oxide Fuel Cells (SOFC-XIII), Publisher: ELECTROCHEMICAL SOC INC, Pages: 3111-3117, ISSN: 1938-5862

CONFERENCE PAPER

Lomberg M, Ruiz-Trejo E, Offer G, Kilner J, Brandon Net al., 2013, Characterization of a Novel Ni-impregnated GDC Electrode for Solid Oxide Fuel Cell and Electrolysis Cell Applications, SOLID OXIDE FUEL CELLS 13 (SOFC-XIII), Vol: 57, Pages: 1349-1357, ISSN: 1938-5862

JOURNAL ARTICLE

Parkes M, Refson K, d'Avezac M, Offer G, Brandon N, Harrison Net al., 2013, Determining Surface Chemistry and Vibrational Properties of SOFC Anode Materials Through ab initio Calculations, SOLID OXIDE FUEL CELLS 13 (SOFC-XIII), Vol: 57, Pages: 2419-2427, ISSN: 1938-5862

JOURNAL ARTICLE

Wu B, Yufit V, Campbell J, Offer GJ, Martinez-Botas RF, Brandon NPet al., 2013, Simulated and experimental validation of a fuel cell-supercapacitor passive hybrid system for electric vehicles, IET Conference Publications, Vol: 2013

The concept of a fuel cell-supercapacitor hybrid system involves the direct coupling of the two devices to achieve the same benefits of hybridisation but without the need for costly DCDC converters. Using an experimentally validated steady state fuel cell model and a transmission line based supercapacitor model, it has been shown that the passive hybridisation allows for efficiency gains of approximately 16% compared to a pure fuel cell system. Under load, the supercapacitors meets the peak power requirement due to their lower impedance giving the FC time to ramp up. Under no load conditions, the fuel cell gradually charges the supercapacitors back to the steady state thermodynamic equilibrium potential. A fast fourier transform analysis of the respective loads under an automotive drive cycle showed that the supercapacitors act as a low pass filter, reducing the magnitude of load oscillations from the fuel cell. This therefore addresses two of the main modes of fuel cell degradation in automotive applications: rapid power cycling and no load idling.

JOURNAL ARTICLE

Tariq F, Kishimoto M, Cooper SJ, Shearing P, Brandon Net al., 2013, Advanced 3D Imaging and Analysis of SOFC Electrodes, SOLID OXIDE FUEL CELLS 13 (SOFC-XIII), Vol: 57, Pages: 2553-2562, ISSN: 1938-5862

JOURNAL ARTICLE

Maskell WC, Brett DJL, Brandon NP, 2013, Improvements to Zirconia Thick-Film Oxygen Sensors, 17th Conference on Sensors and Their Applications, Publisher: IOP PUBLISHING LTD, ISSN: 1742-6588

CONFERENCE PAPER

Yufit V, Hale B, Matian M, Mazur P, Brandon NPet al., 2013, Development of a Regenerative Hydrogen-Vanadium Fuel Cell for Energy Storage Applications, JOURNAL OF THE ELECTROCHEMICAL SOCIETY, Vol: 160, Pages: A856-A861, ISSN: 0013-4651

JOURNAL ARTICLE

Clague R, Marquis AJ, Brandon NP, 2013, Time independent and time dependent probability of failure of solid oxide fuel cells by stress analysis and the Weibull method, JOURNAL OF POWER SOURCES, Vol: 221, Pages: 290-299, ISSN: 0378-7753

JOURNAL ARTICLE

Cooper SJ, Kishimoto M, Tariq F, Bradley RS, Marquis AJ, Brandon NP, Kilner J, Shearing PRet al., 2013, Microstructural Analysis of an LSCF Cathode Using In-Situ Tomography and Simulation, SOLID OXIDE FUEL CELLS 13 (SOFC-XIII), Vol: 57, Pages: 2671-2678, ISSN: 1938-5862

JOURNAL ARTICLE

Mazur C, Contestabile M, Offer G, Brandon Net al., 2012, Comparing electric mobility policies to transition science: Transition management already in action?, Pages: 123-128, ISSN: 2165-4387

Driven by sustainability issues as well as economic aspects, governments have been creating and applying policies and regulations with the aim of shifting national personal transport towards electric mobility. In this context, transition science offers insights into the relevant socio-technological systems and the process of transition. This paper gives an overview of transition science, and furthermore presents current policy making by the UK and German governments that aim to manage the shift to electric mobility. A comparison of the two different policies with transition science shows that there is an overlap between the applied policy making and theory, especially for the case of the UK. Although both governments do not explicitly follow transition management their actions can be explained with the help of transition science. However, it should be noted that transition science is still a young field which needs to be further developed in order to provide policy makers with tools that enable them to manage such transitions. ©2012 IEEE.

CONFERENCE PAPER

Maher RC, Offer G, Brandon NP, Cohen LFet al., 2012, In-situ Raman characterization of SOFC anodes, Materials Research Society Symposium Proceedings, Vol: 1385, Pages: 25-34, ISSN: 0272-9172

Solid oxide fuel cells (SOFCs) have many advantages when compared to other fuel cell technologies, particularly for distributed stationary applications. As a consequence they are becoming ever more economically competitive with incumbent energy solutions. However, as with all technologies, improvements in durability, efficiency and cost is required before they become feasible alternatives. Such improvements are enabled through improved understanding of the critical material interactions occurring during operation. Raman spectroscopy is a noninvasive and non-destructive optical characterization tool which is ideally suited to the study of these critical chemical processes occurring within operational SOFCs. In this paper we will discuss advantages of using Raman characterization for understanding these important chemical processes occurring within SOFCs. We will present the specific examples of the type of measurement possible and discuss the direction of future research. © 2012 Materials Research Society.

JOURNAL ARTICLE

Staffell I, Brett D, Brandon N, Hawkes Aet al., 2012, A review of domestic heat pumps, ENERGY & ENVIRONMENTAL SCIENCE, Vol: 5, Pages: 9291-9306, ISSN: 1754-5692

JOURNAL ARTICLE

Iora P, Taher MAA, Chiesa P, Brandon NPet al., 2012, A one dimensional solid oxide electrolyzer-fuel cell stack model and its application to the analysis of a high efficiency system for oxygen production, CHEMICAL ENGINEERING SCIENCE, Vol: 80, Pages: 293-305, ISSN: 0009-2509

JOURNAL ARTICLE

Ang SMC, Brett DJL, Staffell I, Hawkes AD, Fraga ES, Samsatli NJ, Brandon NPet al., 2012, Design of fuel-cell micro-cogeneration systems through modeling and optimization, WILEY INTERDISCIPLINARY REVIEWS-ENERGY AND ENVIRONMENT, Vol: 1, Pages: 181-193, ISSN: 2041-8396

JOURNAL ARTICLE

Wu B, Offer GJ, Yufit V, Howey DA, Brandon NPet al., 2012, Fault analysis in battery module design for electric and hybrid vehicles

In this paper systems integration issues, such as electrical and thermal design and management of full battery packs - often containing hundreds of cells - are discussed. The design and construction of a 9 kWh battery pack for a motorsports application is used as an example. The pack contained 504 lithium cells arranged into 2 sidepods, each containing 3 modules, with each module in a 12P7S configuration. This paper focuses on describing problems related to cells being connected in parallel, known as massively parallel packs. We also demonstrate how a full vehicle test can be used to identify malfunctioning strings of cells for further investigation. It is shown that normal inter-cell contact resistances can cause currents to flow unevenly within the pack, leading to cells being unequally worked. This is supported by a Matlab/Simulink model of one battery module, including contact resistances, which was able to reproduce the results that were seen in experimental tests. Over time the unequal current flowing through cells can lead to significant differences in cells' state of charge and open circuit voltages, large currents flowing between cells even when the load is disconnected, and ultimately, some cells discharging and aging more quickly than others and jeopardising the energy storage capacity and lifetime of the entire pack.

CONFERENCE PAPER

Clague R, Marquis AJ, Brandon NP, 2012, Finite element and analytical stress analysis of a solid oxide fuel cell, JOURNAL OF POWER SOURCES, Vol: 210, Pages: 224-232, ISSN: 0378-7753

JOURNAL ARTICLE

Konda NVSNM, Shah N, Brandon NP, 2012, Dutch hydrogen economy: evolution of optimal supply infrastructure and evaluation of key influencing elements, ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING, Vol: 7, Pages: 534-546, ISSN: 1932-2135

JOURNAL ARTICLE

Shearing PR, Bradley RS, Gelb J, Tariq F, Withers PJ, Brandon NPet al., 2012, Exploring microstructural changes associated with oxidation in Ni-YSZ SOFC electrodes using high resolution X-ray computed tomography, SOLID STATE IONICS, Vol: 216, Pages: 69-72, ISSN: 0167-2738

JOURNAL ARTICLE

Offer GJ, Yufit V, Howey DA, Wu B, Brandon NPet al., 2012, Module design and fault diagnosis in electric vehicle batteries, JOURNAL OF POWER SOURCES, Vol: 206, Pages: 383-392, ISSN: 0378-7753

JOURNAL ARTICLE

Brightman E, Maher R, Offer GJ, Duboviks V, Heck C, Cohen LF, Brandon NPet al., 2012, Designing a miniaturised heated stage for in situ optical measurements of solid oxide fuel cell electrode surfaces, and probing the oxidation of solid oxide fuel cell anodes using in situ Raman spectroscopy, REVIEW OF SCIENTIFIC INSTRUMENTS, Vol: 83, ISSN: 0034-6748

JOURNAL ARTICLE

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