• Pontoppidanstræde 111, 1-129

    9220 Aalborg Ø

    Denmark

19972021
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Research Output 1997 2020

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Journal article
2015
33 Citations (Scopus)

Lifetime Estimation of the Nanophosphate LiFePO4/C Battery Chemistry Used in Fully Electric Vehicles

Swierczynski, M. J., Stroe, D. L., Stroe, A-I., Teodorescu, R. & Kær, S. K., Jul 2015, In : I E E E Transactions on Industry Applications. 51, 4, p. 3453 - 3461 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Electric vehicles
Lithium
Degradation
Ions
Life cycle
32 Citations (Scopus)

Modeling and optimization of a heat-pump-assisted high temperature proton exchange membrane fuel cell micro-combined-heat-and-power system for residential applications

Arsalis, A., Kær, S. K. & Nielsen, M. P., Jun 2015, In : Applied Energy. 147, p. 569-581 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

combined heat and power
Proton exchange membrane fuel cells (PEMFC)
fuel cell
Pumps
membrane
67 Citations (Scopus)

On the complex ageing characteristics of high-power LiFePO4/graphite battery cells cycled with high charge and discharge currents

Groot, J., Swierczynski, M. J., Stroe, A-I. & Kær, S. K., 15 Jul 2015, In : Journal of Power Sources. 286, p. 475 - 487 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Graphite
electric batteries
Life cycle
graphite
Aging of materials
17 Citations (Scopus)

Performance Degradation Tests of Phosphoric Acid Doped Polybenzimidazole Membrane Based High Temperature Polymer Electrolyte Membrane Fuel Cells

Zhou, F., Araya, S. S., Grigoras, I., Andreasen, S. J. & Kær, S. K., Apr 2015, In : Journal of Fuel Cell Science and Technology. 12, 2, 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Phosphoric acid
Proton exchange membrane fuel cells (PEMFC)
Methanol
Membranes
Degradation
17 Citations (Scopus)

System model development for a methanol reformed 5 kW high temperature PEM fuel cell system

Sahlin, S. L., Andreasen, S. J. & Kær, S. K., Oct 2015, In : International Journal of Hydrogen Energy. 40, 38, p. 13080–13089 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

fuel cells
Fuel cells
Methanol
evaporators
methyl alcohol
2014
16 Citations (Scopus)
406 Downloads (Pure)

Comparative study of the break in process of post doped and sol–gel high temperature proton exchange membrane fuel cells

Vang, J. R., Andreasen, S. J., Araya, S. S. & Kær, S. K., Sep 2014, In : International Journal of Hydrogen Energy. 39, 27, p. 14959–14968 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

File
Proton exchange membrane fuel cells (PEMFC)
fuel cells
impedance
membranes
protons
89 Citations (Scopus)

Energy management strategy based on short-term generation scheduling for a renewable microgrid using a hydrogen storage system

Cau, G., Cocco, D., Petrollese, M., Kær, S. K. & Milan, C., Nov 2014, In : Energy Conversion and Management. 87, p. 820-831 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Energy management
Hydrogen storage
Scheduling
Energy storage
Wind turbines
20 Citations (Scopus)

Field Experience from Li-Ion BESS Delivering Primary Frequency Regulation in the Danish Energy Market

Swierczynski, M. J., Stroe, D. I., Lærke, R., Stan, A-I., Kjær, P. C., Teodorescu, R. & Kær, S. K., 2014, In : ECS Transactions. 61, 37, p. 1-14 14 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Energy storage
Inspection
Degradation
Ions
Lithium-ion batteries
12 Citations (Scopus)

Influence of anodic gas recirculation on solid oxide fuel cells in a micro combined heat and power system

Liso, V., Nielsen, M. P. & Kær, S. K., 2014, In : Sustainable Energy Technologies and Assessments. 8, p. 99–108 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

22 Citations (Scopus)

Optimization of a thermoelectric generator subsystem for high temperature PEM fuel cell exhaust heat recovery

Gao, X., Andreasen, S. J., Kær, S. K. & Rosendahl, L., 15 Apr 2014, In : International Journal of Hydrogen Energy. 39, 12, p. 6637–6645 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

thermoelectric generators
Waste heat utilization
fuel cells
Fuel cells
recovery
23 Citations (Scopus)
751 Downloads (Pure)

Performance and endurance of a high temperature PEM fuel cell operated on methanol reformate

Araya, S. S., Grigoras, I., Zhou, F., Andreasen, S. J. & Kær, S. K., 31 Oct 2014, In : International Journal of Hydrogen Energy. 39, 32, p. 18343–18350 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

File
endurance
fuel cells
Fuel cells
Durability
Methanol
29 Citations (Scopus)
54 Downloads (Pure)

Test of hybrid power system for electrical vehicles using a lithium-ion battery pack and a reformed methanol fuel cell range extender

Andreasen, S. J., Ashworth, L., Sahlin, S. L., Jensen, H-C. B. & Kær, S. K., 22 Jan 2014, In : International Journal of Hydrogen Energy. 39, 4, p. 1856-1863 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Methanol fuels
fuel cells
electric batteries
Fuel cells
vehicles
54 Citations (Scopus)
443 Downloads (Pure)

Thermal modeling and temperature control of a PEM fuel cell system for forklift applications

Liso, V., Nielsen, M. P., Kær, S. K. & Mortensen, H. H., 27 May 2014, In : International Journal of Hydrogen Energy. 39, 16, p. 8410–8420 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

temperature control
Temperature control
fuel cells
Fuel cells
Hydration
2013
21 Citations (Scopus)
Proton exchange membrane fuel cells (PEMFC)
Electricity
Temperature
Lead
Stirling engines
22 Citations (Scopus)

Comprehensive study of ignition and combustion of single wooden particles

Momenikouchaksaraei, M., Yin, C., Kær, S. K. & Hvid, S. L., 2013, In : Energy & Fuels. 27, 2, p. 1061-1072

Research output: Contribution to journalJournal articleResearchpeer-review

Ignition
Pulverized fuel
Biomass
Oxygen
Wood
36 Citations (Scopus)
454 Downloads (Pure)

Control and experimental characterization of a methanol reformer for a 350 W high temperature polymer electrolyte membrane fuel cell system

Andreasen, S. J., Kær, S. K. & Sahlin, S. L., 6 Feb 2013, In : International Journal of Hydrogen Energy. 38, 3, p. 1676-1684 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Proton exchange membrane fuel cells (PEMFC)
fuel cells
Methanol
methyl alcohol
electrolytes
27 Citations (Scopus)
8 Citations (Scopus)
37 Citations (Scopus)

Evaluation of Fuel-Cell Range Extender Impact on Hybrid Electrical Vehicle Performance

Jensen, H-C. B., Schaltz, E., Koustrup, P. S., Andreasen, S. J. & Kær, S. K., Jan 2013, In : I E E E Transactions on Vehicular Technology. 62, 1, p. 50-60 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Vehicle performance
Fuel cells
Electric vehicles
Hybrid vehicles
Internal combustion engines
44 Citations (Scopus)

Experimental study on effects of particle shape and operating conditions on combustion characteristics of single biomass particles

Momenikouchaksaraei, M., Yin, C., Kær, S. K., Troels, B. H., Jensen, P. & Glarborg, P., 2013, In : Energy & Fuels. 27, 1, p. 507-514

Research output: Contribution to journalJournal articleResearchpeer-review

Ignition
Biomass
Oxygen
CCD cameras
Combustors
8 Citations (Scopus)

Optimization of a High Temperature PEMFC micro-CHP System by Formulation and Application of a Process Integration Methodology

Arsalis, A., Nielsen, M. P. & Kær, S. K., 2013, In : Fuel Cells. 13, 2, p. 238-248 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Temperature
Nonlinear programming
Heat exchangers
Costs
2012
12 Citations (Scopus)
2 Downloads (Pure)

Comparison of reynolds averaged navier stokes based simulation and large eddy simulation for one isothermal swirling flow

Yang, Y. & Kær, S. K., 2012, In : Journal of Thermal Science. 21, 2, p. 154-161 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

swirling
large eddy simulation
vortex breakdown
grids
simulation
23 Citations (Scopus)

Experimental Characterization of the Poisoning Effects of Methanol-Based Reformate Impurities on a PBI-Based High Temperature PEM Fuel Cell

Araya, S. S., Andreasen, S. J. & Kær, S. K., 24 Oct 2012, In : Energies. 5, 11, p. 4251-4267

Research output: Contribution to journalJournal articleResearchpeer-review

Fuel Cell
Impurities
Fuel cells
Methanol
Membrane
22 Citations (Scopus)

Investigating the effects of methanol-water vapor mixture on a PBI-based high temperature PEM fuel cell

Araya, S. S., Andreasen, S. J., Nielsen, H. V. & Kær, S. K., 2012, In : International Journal of Hydrogen Energy. 37, 23, p. 18231–18242 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

polybenzimidazole
Water vapor
fuel cells
water vapor
Fuel cells
23 Citations (Scopus)

Large-eddy simulations of the non-reactive flow in the Sydney swirl burner

Yang, Y. & Kær, S. K., 2012, In : International Journal of Heat and Fluid Flow. 36, p. 47-57

Research output: Contribution to journalJournal articleResearchpeer-review

swirling
Large eddy simulation
burners
large eddy simulation
Fuel burners
12 Citations (Scopus)

Low stoichiometry operation of a proton exchange membrane fuel cell employing the interdigitated flow field: A modeling study

Berning, T. & Kær, S. K., 2012, In : International Journal of Hydrogen Energy. 37, 10, p. 8477-8489 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Stoichiometry
fuel cells
stoichiometry
Flow fields
41 Citations (Scopus)

Modeling and optimization of a 1 kWe HT-PEMFC-based micro-CHP residential system

Arsalis, A., Nielsen, M. P. & Kær, S. K., 1 Feb 2012, In : International Journal of Hydrogen Energy. 37, 3, p. 2470-2481 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
heat
optimization
reactors
Water gas shift
36 Citations (Scopus)

Numerical model of a thermoelectric generator with compact plate-fin heat exchanger for high temperature PEM fuel cell exhaust heat recovery

Xin, G., Andreasen, S. J., Chen, M. & Kær, S. K., May 2012, In : International Journal of Hydrogen Energy. 37, 10, p. 8490-8498 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

thermoelectric generators
fins
Waste heat utilization
heat exchangers
fuel cells
1 Citation (Scopus)

Numerical simulation of effect of catalyst wire-mesh pressure drop characteristics on flow distribution in catalytic parallel plate steam reformer

Sigurdsson, H. Ö. & Kær, S. K., Jun 2012, In : International Journal of Hydrogen Energy. 37, 12, p. 9485-9495 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

wire cloth
heat exchangers
pressure drop
parallel plates
steam
18 Citations (Scopus)
Coal
Straw
Fuel burners
Suspensions
Biomass
2011
45 Citations (Scopus)

Analysis of the impact of Heat-to-Power Ratio for a SOFC-based mCHP system for residential application under different climate regions in Europe

Liso, V., Zhao, Y., Brandon, N., Nielsen, M. P. & Kær, S. K., 2011, In : International Journal of Hydrogen Energy. 36, 21, p. 13715-13726

Research output: Contribution to journalJournal articleResearchpeer-review

Solid oxide fuel cells (SOFC)
climate
heat
Space heating
electricity
6 Citations (Scopus)

Boundary model-based reference control of blower cooled high temperature polymer electrolyte membrane fuel cells

Jensen, H-C. B. & Kær, S. K., Apr 2011, In : International Journal of Hydrogen Energy. 36, 8, p. 5030-5037 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

blowers
Blowers
Proton exchange membrane fuel cells (PEMFC)
fuel cells
Fuel cells
81 Citations (Scopus)

Chemistry and radiation in oxy-fuel combustion: A computational fluid dynamics modeling study

Yin, C., Rosendahl, L. & Kær, S. K., Apr 2011, In : Fuel. 90, 7, p. 2519-2529 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Computational fluid dynamics
Radiation
Furnace fuels
Computer simulation
Heat radiation
98 Citations (Scopus)

High Temperature PEM Fuel Cell Performance Characterisation with CO and CO2 using Electrochemical Impedance Spectroscopy

Andreasen, S. J., Vang, J. R. & Kær, S. K., 1 Aug 2011, In : International Journal of Hydrogen Energy. 36, 16, p. 9815-9830 16 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Electrochemical impedance spectroscopy
fuel cells
Fuel cells
impedance
Anodes
2 Citations (Scopus)

Low stoichiometry operation of a polymer electrolyte membrane fuel cell employing the interdigitated flow field design

Berning, T., Odgaard, M. & Kær, S. K., Oct 2011, In : ECS Transactions. 41, 1, p. 1897-1908 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Stoichiometry
Flow fields
Membranes
Anodes
61 Citations (Scopus)
Proton exchange membrane fuel cells (PEMFC)
Hot water heating
Space heating
Temperature
Fuel cells
59 Citations (Scopus)

Modeling and parametric study of a 1 kWe HT-PEMFC-based residential micro-CHP system

Arsalis, A., Nielsen, M. P. & Kær, S. K., Apr 2011, In : International Journal of Hydrogen Energy. 36, 8, p. 5010-5020 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
fuel cells
Fuel cells
membranes
protons

Modelling multiphase flow inside the porous media of a polymer electrolyte membrane fuel cell

Berning, T. & Kær, S. K., 2011, In : WIT Transactions on Engineering Sciences. 70, 6, p. 299-310 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Multiphase flow
Proton exchange membrane fuel cells (PEMFC)
Porous materials
Aquaporins
Diffusion in gases
111 Citations (Scopus)
56 Downloads (Pure)

Performance comparison between partial oxidation and methane steam for SOFC micro-CHP systems

Liso, V., Olesen, A. C., Nielsen, M. P. & Kær, S. K., Jul 2011, In : Energy. 36, 7, p. 4216-4226 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Solid oxide fuel cells (SOFC)
Methane
Steam
Steam reforming
Oxidation
32 Citations (Scopus)

Water balance simulations of a polymer-electrolyte membrane fuel cell using a two-fluid model

Berning, T., Odgaard, M. & Kær, S. K., 2011, In : Journal of Power Sources. 196, 15, p. 6305-6317 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

water balance
two fluid models
Proton exchange membrane fuel cells (PEMFC)
fuel cells
electrolytes
2010
37 Citations (Scopus)
297 Downloads (Pure)

A study of multi-phase flow through the cathode side of an interdigitated flow field using a multi-fluid model

Berning, T., Odgaard, M. & Kær, S. K., Feb 2010, In : Journal of Power Sources. 195, 15, p. 4842-4852 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

multiphase flow
Multiphase flow
Flow fields
flow distribution
Cathodes
65 Citations (Scopus)

Co-firing straw with coal in a swirl-stabilized dual-feed burner: modelling and experimental validation

Yin, C., Kær, S. K., Rosendahl, L. & Hvid, S. L., 2010, In : Bioresource Technology. 101, 11, p. 4169-4178 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Coal
Straw
Fuel burners
straw
coal
21 Citations (Scopus)

Flow and Pressure Distribution in Fuel Cell Manifolds

Lebæk, J., Bang, M. & Kær, S. K., Aug 2010, In : Journal of Fuel Cell Science and Technology. 7, 6, p. 061001-1 - 061001-8 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Pressure distribution
Fuel cells
Pressure gages
Cathodes
Air
146 Citations (Scopus)

New weighted sum of gray gases model applicable to Computational Fluid Dynamics (CFD) modeling of oxy-fuel combustion: Derivation, validation and implementation

Yin, C., Johansen, L. C. R., Rosendahl, L. & Kær, S. K., 2010, In : Energy & Fuels. 24, 12, p. 6275-6282 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Computational fluid dynamics
Gases
Furnaces
Air
Gas mixtures
23 Citations (Scopus)

Particle Image Velocimetry and Computational Fluid Dynamics Analysis of Fuel Cell Manifold

Lebæk, J., Blazniak Andreasen, M., Andresen, H. A., Bang, M. & Kær, S. K., Jun 2010, In : Journal of Fuel Cell Science and Technology. 7, 3, p. 031001-1 - 031001-10 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Velocity measurement
Dynamic analysis
Fuel cells
Computational fluid dynamics
Pipe flow
26 Citations (Scopus)

Quantification of in situ temperature measurements on a PBI-based high temperature PEMFC unit cell

Lebæk, J., Ali, S. T., Møller, P., Mathiasen, C., Nielsen, L. P. & Kær, S. K., Sep 2010, In : International Journal of Hydrogen Energy. 35, 18, p. 9943-9953 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Temperature measurement
fuel cells
temperature measurement
anodes
41 Citations (Scopus)
3 Downloads (Pure)

System modeling and validation of a thermoelectric fluidic power source: Proton Exchange Membrane Fuel Cell and Thermoelectric Generator (PEMFC-TEG)

Chen, M., Andreasen, S. J., Rosendahl, L., Kær, S. K. & Condra, T., 2010, In : Journal of Electronic Materials. 39, 9, p. 1593 1600 p.

Research output: Contribution to journalJournal articleResearchpeer-review

19 Citations (Scopus)
717 Downloads (Pure)

Thin film thermocouples for in situ membrane electrode assembly temperature measurements in a polybenzimidazole-based high temperature proton exchange membrane unit cell

Talat Ali, S., Jespersen, J. L., Pleth Nielsen, L., Mathiasen, C., Møller, P. & Kær, S. K., Feb 2010, In : Journal of Power Sources. 195, 15, p. 4835-4841 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

polybenzimidazole
Kapton (trademark)
thermocouples
Thermocouples
Temperature measurement
2009
29 Citations (Scopus)

A Computational Analysis of Multiphase Flow Through PEMFC Cathode Porous Media Using the Multifluid Approach

Berning, T., Odgaard, M. & Kær, S. K., 14 Sep 2009, In : Journal of the Electrochemical Society. 156, 11, p. B1301-B1311 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review