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

Hart NT, Brandon NP, Day MJ, Lapena-Rey Net al., 2002, Functionally graded composite cathodes for solid oxide fuel cells, 7th Grove Fuel Cell Symposium, Publisher: ELSEVIER SCIENCE BV, Pages: 42-50, ISSN: 0378-7753

CONFERENCE PAPER

Pangalis MG, Martinez-Botas RF, Brandon NP, 2002, Integration of solid oxide fuel cells into gas turbine power generation cycles. Part 1: fuel cell thermodynamic modelling, PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY, Vol: 216, Pages: 129-144, ISSN: 0957-6509

JOURNAL ARTICLE

Oishi N, Rudkin R, Steele BCH, Atkinson A, Brandon NP, Kilner JAet al., 2002, Stainless steel supported thick film it-SOFCS for operation at 500-600 degrees C - Fabrication of ceria film on stainless steel substrate by EPD, 1st International Conference on Electrophoretic Deposition, Publisher: ELECTROCHEMICAL SOCIETY INC, Pages: 230-237

CONFERENCE PAPER

Xu XY, Brandon N, Spikes H, 2002, Study of zinc dialkyldithiophosphate using electrochemical techniques, 28th Leeds-Lyon Symposium on Tribology, Publisher: ELSEVIER SCIENCE BV, Pages: 175-181

CONFERENCE PAPER

Jiang JQ, Graham NJD, Andre CM, Kelsall GH, Brandon NP, Chipps MJet al., 2002, Comparative performance of an electrocoagulation flotation system with chemical coagulation/dissolved air flotation: a pilot-scale trial, London, International conference on innovations in conventional and advanced water treatment processes, Amsterdam, Netherlands, Publisher: I W A Publishing, Pages: 289-297

CONFERENCE PAPER

Jiang JQ, Graham NJD, Andre CM, Kelsall GH, Brandon NP, Chipps MJet al., 2002, Comparative performance of an electrocoagulation/flotation system with chemical coagulation/dissolved air flotation: a pilot-scale trial, Water Science and Technology: Water Supply, Vol: 2, Pages: 289-298, ISSN: 1606-9749

JOURNAL ARTICLE

Xu X, Brandon N, Spikes HA, 2002, Study of zinc dialkyldithiophosphate using electrochemical techniques, Boundary and mixed lubricants: science and application: proceedings of the 28th Leeds-Lyon Symposium on tribology, Vienna, Austria, 4th-7th September, 2001, Editors: Dowson, Priest, Dalmaz, Lubrecht, Dowson, Priest, Dalmaz, Lubrecht, Publisher: Elsevier Science, Pages: 175-181, ISBN: 9780444509697

BOOK CHAPTER

Jiang JQ, Graham NJD, Andre CM, Kelsall GH, Brandon NP, Chipps MJet al., 2002, Comparative performance of an electrocoagulation/flotation system with chemical coagulation/dissolved air flotation: a pilot-scale trial, Water Science and Technology: Water Supply, Vol: 2, Pages: 289-298, ISSN: 1606-9749

JOURNAL ARTICLE

Brett DJL, Atkins S, Brandon NP, Vesovic V, Vasileiadis N, Kucernak ARet al., 2001, Measurement of the current distribution along a single flow channel of a solid polymer fuel cell, ELECTROCHEMISTRY COMMUNICATIONS, Vol: 3, Pages: 628-632, ISSN: 1388-2481

JOURNAL ARTICLE

Karakoussis V, Brandon NP, Leach A, Leach M, van der Vorst Ret al., 2001, The environmental impact of manufacturing planar and tubular solid oxide fuel cells, JOURNAL OF POWER SOURCES, Vol: 101, Pages: 10-26, ISSN: 0378-7753

JOURNAL ARTICLE

Brandon N, 2001, Fuel cells: a chemical reactor in every home and car?, CHEMICAL ENGINEER-LONDON, Pages: 46-48, ISSN: 0302-0797

JOURNAL ARTICLE

Yin Q, Kelsall GH, Vaughan DJ, Brandon NPet al., 2001, Mathematical models for time-dependent impedance of passive electrodes, JOURNAL OF THE ELECTROCHEMICAL SOCIETY, Vol: 148, Pages: A200-A208, ISSN: 0013-4651

JOURNAL ARTICLE

Hart NT, Brandon NP, Day MJ, Shemilt JEet al., 2001, Functionally graded cathodes for solid oxide fuel cells, JOURNAL OF MATERIALS SCIENCE, Vol: 36, Pages: 1077-1085, ISSN: 0022-2461

JOURNAL ARTICLE

Brandon NP, Francis PA, Jeffrey J, Kelsall GH, Yin Qet al., 2001, Thermodynamics and electrochemical behaviour of Hg-S-Cl-H2O systems, JOURNAL OF ELECTROANALYTICAL CHEMISTRY, Vol: 497, Pages: 18-32, ISSN: 0022-0728

JOURNAL ARTICLE

Xu XY, Spikes H, Brandon N, 2001, New electrolytes for electrochemical study in hydrocarbon solution, Conference of the NATO Advanced Study Institute on Fundamentals of Tribology and Bridging the Gap Between the Macro-and Micro/Nanoscales, Publisher: SPRINGER, Pages: 711-716

CONFERENCE PAPER

Brandon NP, Kelsall GH, Yin Q, 2001, Simultaneous electrodeposition of lead and lead dioxide from battery effluents, Pennington, International symposium on energy and electrochemical processes for a cleaner environment, San Francisco, California, Publisher: Electrochemical Society Inc, Pages: 306-322

CONFERENCE PAPER

Brandon NP, Kelsall GH, Muller T, Olijve R, Schmidt M, Yin Qet al., 2001, Metal recovery from electronic scrap by leaching and electrowinning, Pennington, International symposium on energy and electrochemical processes for a cleaner environment, San Francisco, California, Publisher: Electrochemical Society Inc, Pages: 323-338

CONFERENCE PAPER

Leah RT, Brandon NP, Vesovic V, Kelsall GHet al., 2000, Numerical modeling of the mass transport and chemistry of a simplified membrane-divided chlor-alkali reactor, JOURNAL OF THE ELECTROCHEMICAL SOCIETY, Vol: 147, Pages: 4173-4183, ISSN: 0013-4651

JOURNAL ARTICLE

N P Brandon, B C H Steele, J Kilner, A Atkinson, R Rudkinet al., 2000, Fuel Cells, GB 2,368,450A, US 6794075B2, WO 02/35628

PATENT

Yin Q, Brandon NP, Kelsall GH, 2000, Electrochemical synthesis of Cr(II) at carbon electrodes in acidic aqueous solutions, JOURNAL OF APPLIED ELECTROCHEMISTRY, Vol: 30, Pages: 1109-1117, ISSN: 0021-891X

JOURNAL ARTICLE

Hart N, Brandon N, Shemilt J, 2000, Environmental evaluation of thick film ceramic fabrication techniques for solid oxide fuel cells, Materials and Manufacturing Processes, Vol: 15, Pages: 47-64, ISSN: 1042-6914

Solid Oxide Fuel Cells (SOFCs) offer many advantages over conventional methods of electrical generation including higher efficiencies and lower emissions. The environmental benefits of the use phase of SOFCs have been extensively reported but it is important that the total environmental burden is evaluated. This is done by adopting a Life Cycle Analysis (LCA) approach. An essential element of the LCA of SOFCs is the fabrication stage. This paper describes the environmental impact of six SOFC fabrication methods; screen-printing, slurry spraying, tape casting, calendering, electrochemical vapor deposition and physical vapor deposition.

JOURNAL ARTICLE

Gardner FJ, Day MJ, Brandon NP, Pashley MN, Cassidy Met al., 2000, SOFC technology development at Rolls-Royce, Journal of Power Sources, Vol: 86, Pages: 122-129, ISSN: 0378-7753

Fuel cells have the prospect for exploiting fossil fuels more benignly and more efficiently than alternatives. The various types represent quite different technologies, with no clear winner, yet. Nevertheless, the high temperature MCFC and solid oxide fuel cell (SOFC) types seem better suited to power generation in a hydrocarbon fuel economy. Presently, the costs of MCFCs and SOFCs are too high to compete directly with contemporary power generation plant. Seeking to overcome the drawbacks of first generation fuel cells, over the past 7 years an innovative second generation SOFC concept has been evolved in the Rolls-Royce Strategic Research Centre, with encouraging results. It is distinguished from other types by the name: Integrated Planar Solid Oxide Fuel Cell (IP-SOFC). It is a family of integrated system concepts supporting product flexibility with evolutionary stretch potential from a common SOFC module. Fabrication of the key component of the IP-SOFC, the `multi-cell membrane electrode assembly (multi-cell MEA) module' carrying many series connected cells with supported electrolyte membranes only 10 to 20 μm thick, has been proved. Development of the internal reforming subsystem, the next big hurdle, is now in hand. Following an outline of its salient features and test results, the methodology and results of recent IP-SOFC stack costing studies are presented, and the continuing research and development programme indicated.

JOURNAL ARTICLE

Yin Q, Brandon NP, England K, Kelsall GH, Vaughan Det al., 2000, Surface oxidation of chalcopyrite in alkaline solutions, Journal of the Electrochemical Society, Vol: 147, Pages: 2945-2951

JOURNAL ARTICLE

Kelsall GH, Yin Q, Vaughan DJ, England KER, Brandon NPet al., 1999, Electrochemical oxidation of pyrite (FeS2) in aqueous electrolytes, JOURNAL OF ELECTROANALYTICAL CHEMISTRY, Vol: 471, Pages: 116-125, ISSN: 0022-0728

JOURNAL ARTICLE

Hart N, Brandon N, Shemilt J, 1999, The environmental impact of solid oxide fuel cell manufacturing, Fuel Cells Bulletin, Vol: 2, Pages: 4-7, ISSN: 1464-2859

Solid oxide fuel cells (SOFCs) offer many advantages over conventional methods of electrical generation, including higher efficiencies and lower emissions. The environmental benefits of the use phase of SOFCs have been extensively reported, but it is important that the total environmental burden is evaluated. This article compares the environmental impact of six fabrication methods which have the potential to be used within the SOFC manufacturing process: screen printing, slurry spraying, tape casting, calendering, electrochemical vapour deposition and physical vapour deposition.

JOURNAL ARTICLE

Daveau S, Brandon NP, Bonanos N, 1997, Electrical conduction phenomena in coked industrial reforming catalysts, Materials Research Bulletin, Vol: 32, Pages: 205-212, ISSN: 0025-5408

Industrial Pt/Al2O3reforming catalysts containing up to 26 wt% of carbon have been studied by admittance spectroscopy. Spectra obtained on heating in nitrogen in the range 200-500°C displayed low frequency relaxations, which were interpreted in terms of a network of carbon islands linked by surface ionic conduction. During subsequent cooling, these features disappeared, suggesting that they were generated by dissociation of strongly bound water. Isothermal ac measurements in nitrogen showed that the conductance was determined by the carbon content. Similar measurements made in dilute oxygen showed that the conductance decreased with burn-off of carbon. Analysis of gases evolved on heating revealed aqueous and chloride species, originating from acid sites on the catalyst support. The results suggest that electrical techniques could be used to characterize coked reforming catalysts. Copyright © 1997 Elsevier Science Ltd.

JOURNAL ARTICLE

Bonanos N, Brandon NP, Mahmood MN, Brown Det al., 1996, The effect of imposed electrical current on torque release at the metal-mudcake interface, Journal of Applied Electrochemistry, Vol: 26, Pages: 977-980, ISSN: 0021-891X

Differential sticking arises in drilling operations when the drillstring embeds into a layer of mud on the borehole wall. The present work is aimed at proving the concept of an unconventional method of releasing the drill string, namely, the application of an electrical current. An instrument has been designed and constructed to measure the slippage torque at the interface between a steel disc and a filtercake prepared from a model aqueous drilling mud. Experiments have demonstrated that a cathodic current of 1 mA cm-2 reduced the slippage torque by about 50% with both mild and stainless steel. The same effect was obtained galvanically, using a magnesium sacrificial anode connected to the steel, thus dispensing with the need for an external power source. It is hoped that this effect could be used to inhibit differential sticking in aqueous drilling muds, as well as offering a fast method of stuck pipe release. © 1996 Chapman & Hall.

JOURNAL ARTICLE

Bonanos N, Brandon NP, Mahmood MN, Brown Det al., 1994, Effect of imposed electrical current on torque release at the metal-mudcake interface, Society of Petroleum Engineers of AIME, (Paper) SPE, Pages: 1-17

Differential sticking arises in drilling operations when the drillstring embeds into a layer of mud on the borehole wall. The present work is aimed at proving the concept of an unconventional method of releasing the drill string, namely the application of an electrical current.

JOURNAL ARTICLE

BRANDON NP, PANESAR SS, BONANOS N, FOGARTY PO, MAHMOOD MNet al., 1993, THE EFFECT OF CATHODIC CURRENTS ON FRICTION AND STUCK PIPE RELEASE IN AQUEOUS DRILLING MUDS, JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, Vol: 10, Pages: 75-82, ISSN: 0920-4105

JOURNAL ARTICLE

Brandon NP, Wood RJK, 1993, The influence of interfacial potential on friction and wear in an aqueous drilling mud, Wear, Vol: 170, Pages: 33-38, ISSN: 0043-1648

Aqueous drilling muds, whilst recognised as environmentally benign, give higher coefficients of friction than their oil-based counterparts, leading to increased torque and drag on the drillstring. This work concerns a novel approach to improving the lubricity of aqueous drilling muds, namely by controlling the electrochemical potential at the drillstring-drilling mud interface. A Cameron-Plint high-frequency friction machine, modified to accept an electrochemical cell, has been used to measure friction and wear in aqueous drilling muds for mild steel pins rubbing on mild steel or sandstone wear plates. It was found that the coefficient of friction at metal-rock contacts decreased on application of a cathodic potential, whilst friction at metal-metal contacts decreased when an anodic potential was applied. © 1993.

JOURNAL ARTICLE

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