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2017
2 Citations (Scopus)

Calendar Ageing of LiFePO4/C Batteries in the Second Life Applications

Swierczynski, M. J., Stroe, D-I. & Kær, S. K., Sep 2017, Proceedings of 2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe). IEEE, p. P1 - P8 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Aging of materials
Degradation
Hybrid vehicles
Electric vehicles
Economics
2016
4 Citations (Scopus)
535 Downloads (Pure)

Multiphysics Based Thermal Modeling of a Pouch Lithium-Ion Battery Cell for the Development of Pack Level Thermal Management System

Khan, M. R. & Kær, S. K., Apr 2016, Proceedings of 2016 Eleventh International Conference on Ecological Vehicles and Renewable Energies (EVER) . IEEE Press, p. 1-9 9 p.

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

File
Heat generation
Temperature control
Calorimeters
Computational fluid dynamics
Physics
2014
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
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
2013
150 Downloads (Pure)

Heat exchanger selection and optimization of a thermoelectric generator subsystem for HT-PEM fuel cell exhaust heat recovery

Xin, G., Andreasen, S. J., Kær, S. K., Rosendahl, L. & Rezaniakolaei, A., 2013. 1 p.

Research output: Contribution to conference without publisher/journalPosterCommunication

Open Access
File
2012
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
2015
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
4 Citations (Scopus)

The Effect of PFSA Membrane Compression on the Predicted Performance of a High Pressure PEM Electrolysis Cell

Olesen, A. C. & Kær, S. K., 2015, In : ECS Transactions. 68, 3, p. 99-116 17 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Electrolysis
Compaction
Membranes
Water
Ionomers
2017
4 Citations (Scopus)

The discharge behavior of lithium-ion batteries using the Dual-Potential Multi-Scale Multi-Dimensional (MSMD) Battery Model

Saeed Madani, S., Swierczynski, M. J. & Kær, S. K., Apr 2017, Proceedings of the 2017 Twelfth International Conference on Ecological Vehicles and Renewable Energies (EVER). IEEE Press, 14 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Temperature
Short circuit currents
Lithium-ion batteries
2018
4 Citations (Scopus)
264 Downloads (Pure)

Influence of Battery Parametric Uncertainties on the State-of-Charge Estimation of Lithium Titanate Oxide-Based Batteries

Stroe, A-I., Meng, J., Stroe, D-I., Swierczynski, M. J., Teodorescu, R. & Kær, S. K., Mar 2018, In : Energies. 11, 4, p. 1-19 19 p., 795.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Parametric Uncertainty
Battery
Oxides
Lithium
Charge
2011
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
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
2017
1130 Downloads (Pure)

Electrochemical Impedance Spectroscopy (EIS) Characterization of Reformate-operated High Temperature PEM Fuel Cell Stack

Sahlin, S. L., Simon Araya, S., Andreasen, S. J. & Kær, S. K., Apr 2017, In : International Journal of Power and Energy Research. 1, 1, p. 20-40 20 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Electrochemical impedance spectroscopy
Stoichiometry
Fuel cells
Anodes
Reforming reactions
2011
1 Citation (Scopus)
2017
16 Citations (Scopus)
705 Downloads (Pure)

VOF modelling of gas–liquid flow in PEM water electrolysis cell micro-channels

Lafmejani, S. S., Olesen, A. C. & Kær, S. K., Jun 2017, In : International Journal of Hydrogen Energy. 42, 26, p. 16333-16344 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
electrolysis
Electrolysis
Anodes
Fluids
fluids
2015
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
2018
1 Citation (Scopus)

Investigation of the Effect of State-of-Charge and C-Rates on the Heat Loss and Efficiency of a Lithium-Ion Battery

Madani, S. S., Schaltz, E. & Kær, S. K., Aug 2018, In : ECS Transactions. 87, 1, p. 51-58 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Heat losses
Heat flux
Calorimeters
Anodes
Lithium
6 Citations (Scopus)

A Review of Different Electric Equivalent Circuit Models and Parameter Identification Methods of Lithium-Ion Batteries

Madani, S. S., Schaltz, E. & Kær, S. K., Aug 2018, In : ECS Transactions. 87, 1, p. 23-37 15 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Equivalent circuits
Identification (control systems)
Lithium-ion batteries
Electric vehicles
Electrochemical impedance spectroscopy
2016
1 Citation (Scopus)

The Effect of Nitrogen Cross-Over on Water Balance Measurements in Proton Exchange Membrane Fuel Cell Using Constant Temperature Anemometry

Al Shakhshir, S., Berning, T. & Kær, S. K., Oct 2016, In : ECS Transactions. 75, 14, p. 101-110 10 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Nitrogen
Water
Wire
Temperature
2017
18 Citations (Scopus)
218 Downloads (Pure)

Towards an Ultimate Battery Thermal Management System: A Review

Khan, M. R., Swierczynski, M. J. & Kær, S. K., Mar 2017, In : Batteries. 3, 1, 18 p., 9.

Research output: Contribution to journalReview articleResearchpeer-review

Open Access
File
Temperature control
2011
1 Citation (Scopus)

Estimation of Membrane Hydration Status for Standby Proton Exchange Membrane Fuel Cell Systems by Impedance Measurement: First Results on Cell Characterization

Bidoggia, B. & Kær, S. K., 2011, Proceedings of the 33rd IEEE International Telecommunications Energy Conference, INTELEC 2011. IEEE Press, p. 1-7 7 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Hydration
Fuel cells
Membranes
Atmospheric humidity
2014
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
522 Downloads (Pure)

Novel Battery Thermal Management System for Greater Lifetime Ratifying Current Quality and Safety Standard

Khan, M. R., Andreasen, S. J. & Kær, S. K., 1 Aug 2014, In : Battery Connections . p. 6-10 4 p.

Research output: Contribution to journalContribution to newspaper - Feature articleCommunication

Open Access
File
Temperature control
Temperature
Uninterruptible power systems
Telecommunication
Life cycle
2016

Modelling of gas-liquid, two-phase flow in porous media and channels of a PEM water electrolysis cell using the Euler-Euler framework of OpenFOAM

Olesen, A. C. & Kær, S. K., 22 May 2016. 1 p.

Research output: Contribution to conference without publisher/journalConference abstract for conferenceResearch

two phase flow
porous medium
electrokinesis
liquid
gas
2019
15 Downloads (Pure)

Effect of Current Rate and Prior Cycling on the Coulombic Efficiency of a Lithium-Ion Battery

Madani, S. S., Schaltz, E. & Kær, S. K., Aug 2019, In : Batteries. 5, 3, 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Aging of materials
Degradation
Lithium-ion batteries
Experiments
2016
4 Citations (Scopus)
277 Downloads (Pure)

Determination of the behavior and performance of commercial Li-Ion pouch cells by means of isothermal calorimeter

Khan, M. R., Swierczynski, M. J. & Kær, S. K., Apr 2016, Proceedings of 2016 Eleventh International Conference on Ecological Vehicles and Renewable Energies (EVER). IEEE Press, p. 1-8 8 p.

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

File
Calorimeters
Heat generation
Ions
Heat flux
Thermocouples
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
2013
2 Citations (Scopus)

Estimation of Membrane Hydration Status for Standby Proton Exchange Membrane Fuel Cell Systems by Impedance Measurement: First Results on Variable Temperature Stack Characterization

Bidoggia, B. & Kær, S. K., 2013, Proceedings of the 2013 8th International Conference and Exhibition on Ecological Vehicles and Renewable Energies (EVER): EVER. IEEE Press, p. 1-10 10 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Hydration
Fuel cells
Membranes
Temperature
2017
7 Citations (Scopus)

New load cycling strategy for enhanced durability of high temperature proton exchange membrane fuel cell

Thomas, S., Jeppesen, C., Steenberg, T., Araya, S. S., Vang, J. R. & Kær, S. K., Nov 2017, In : International Journal of Hydrogen Energy. 42, 44, p. 27230-27240

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
durability
fuel cells
Loads (forces)
Durability
2014

Parametric Sensitivity Tests- European PEM Fuel Cell Stack Test Procedures

Araya, S. S., Andreasen, S. J. & Kær, S. K., Jul 2014, ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology collocated with the ASME 2014 8th International Conference on Energy Sustainability: ES/FuelCell 2014. Boston, USA: American Society of Mechanical Engineers, p. V001T06A006 9 p. FuelCell2014-6378

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Fuel cells
Proton exchange membrane fuel cells (PEMFC)
Stoichiometry
Atmospheric humidity
Current density
2017
11 Citations (Scopus)
568 Downloads (Pure)

Accelerated Aging of Lithium-Ion Batteries based on Electric Vehicle Mission Profile

Stroe, D-I., Swierczynski, M. J., Kær, S. K., Martinez-Laserna, E. & Sarasketa-Zabala, E., Oct 2017, Proceedings of 2017 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE Press, p. 5631-5637 7 p. (IEEE Energy Conversion Congress and Exposition).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
Electric vehicles
Aging of materials
Degradation
Manganese
Cobalt
2018
6 Citations (Scopus)

The Influence of Phosphoric Acid Migration on the Performance of High Temperature Polymer Electrolyte Fuel Cells

Halter, J., Thomas, S., Kær, S. K., Schmidt, T. J. & Büchi, F. N., Sep 2018, In : Journal of Power Sources. 399, p. 151-156 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

phosphoric acid
Phosphoric acid
Electrolytes
fuel cells
Fuel cells
2019
2 Citations (Scopus)

The effect of Fe 3+ contamination in feed water on proton exchange membrane electrolyzer performance

Li, N., Araya, S. S. & Kær, S. K., May 2019, In : International Journal of Hydrogen Energy. 44, 26, p. 12952-12957 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Ion exchange
Protons
contamination
Contamination
membranes
2017
3 Citations (Scopus)
161 Downloads (Pure)

Analysing Gas-Liquid Flow in PEM Electrolyser Micro-Channels Using a Micro-Porous Ceramic as Gas Permeable Wall

Lafmejani, S. S., Olesen, A. C., Al Shakhshir, S. & Kær, S. K., 2017, In : ECS Transactions. 80, 8, p. 1107-1115 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Electrolysis
Electricity
Membranes
Liquids
Current density
2016
27 Citations (Scopus)
196 Downloads (Pure)

Generalized Characterization Methodology for Performance Modelling of Lithium-Ion Batteries

Stroe, D. L., Swierczynski, M. J., Stroe, A-I. & Kær, S. K., Dec 2016, In : Batteries. 2, 4, 20 p., 37.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Open circuit voltage
Parameterization
Energy storage
Economics
Lithium-ion batteries
2020

Modeling and Design of a Multi-Tubular Packed-Bed Reactor for Methanol Steam Reforming over a Cu/ZnO/Al2O3 Catalyst

Zhu, J., Simon Araya, S., Cui, X., Sahlin, S. L. & Kær, S. K., 31 Jan 2020, In : Energies. 13, 3

Research output: Contribution to journalJournal articleResearchpeer-review

Packed Bed
Steam reforming
Packed beds
Catalyst
Reactor
2011
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
2016

Physical and combustion characteristics of biomass particles prepared by different milling processes for suspension firing in utility boilers

Yin, C., Momenikouchaksaraei, M. & Kær, S. K., May 2016, Proceedings of 9th International Conference on Multiphase Flow, May 22-27, 2016, Firenze, Italy. International Conference on Multiphase Flow, 5 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

boilers
biomass
hammers
rollers
coal
2020

Analyzing Discharging and Charging Performance of a Lithium-ion Battery

Madani, S. S., Schaltz, E. & Kær, S. K., 2020, (Submitted) In : ECS Transactions.

Research output: Contribution to journalJournal articleResearchpeer-review

Electric vehicles
Lithium-ion batteries
2018
2 Citations (Scopus)

Experimental and numerical study of flow in expanded metal plate for water electrolysis applications

Lafmejani, S. S., Müller, M., Olesen, A. C. & Kær, S. K., Sep 2018, In : Journal of Power Sources. 397, p. 334-342 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Plate metal
metal plates
electrolysis
Electrolysis
Metals
2011

A transient fuel cell model to simulate HTPEM fuel cell impedance spectra

Vang, J. R., Andreasen, S. J. & Kær, S. K., 2011, Proceedings of ASME 2011 5th International Conference on Energy Sustainability & 9th Fuel Cell Science, Engineering and Technology Conference. American Society of Mechanical Engineers, p. 817-830 14 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Fuel cells
Catalysts
Membranes
Diffusion in gases
Finite volume method
2013
871 Downloads (Pure)

Design and Control of High Temperature PEM Fuel Cell Systems using Methanol Reformers with Air or Liquid Heat Integration: Proceedings CD

Andreasen, S. J., Kær, S. K., Sahlin, S. L. & Justesen, K. K., 16 Apr 2013, 5th International Conference FDFC 2013 Proceedings: Fundamentals & Development of Fuel Cells. European Institute for Energy Research (EIFER), 11 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
Fuel cells
Methanol
Liquids
Air
Hydrogen
2016
28 Downloads (Pure)

Enthalpy analysis and Heat Exchanger Sizing of an Air-cooled Proton Exchange Membrane Fuel Cell System

Gao, X., Berning, T. & Kær, S. K., 2 Oct 2016.

Research output: Contribution to conference without publisher/journalConference abstract for conferenceResearch

File
Proton exchange membrane fuel cells (PEMFC)
Heat exchangers
Enthalpy
Fuel cells
Wheels
98 Downloads (Pure)

Analysing Gas-Liquid Flow in PEM Electrolyser Micro-Channels (Poster)

Lafmejani, S. S., Olesen, A. C. & Kær, S. K., Oct 2016. 1 p.

Research output: Contribution to conference without publisher/journalPosterResearchpeer-review

Open Access
File
Electrolysis
Current density
Liquids
Gases
Water
2011

Factors Influencing the Ignition and Burnout of a Single Biomass Particle

Momenikouchaksaraei, M., Kær, S. K. & Yin, C., 2011, Proceedings of the 5th European Combustion Meeting. Cardiff University, 6 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Ignition
Biomass
Momentum transfer
Gasification
Drying
2012
156 Downloads (Pure)

Determining HTPEM electrode parameters using a mechanistic impedance model

Vang, J. R., Mamlouk, M., Scott, K. & Kær, S. K., 2012. 1 p.

Research output: Contribution to conference without publisher/journalPosterResearch

Open Access
File
2011
175 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., Jensen, H-C. B. & Sahlin, S. L., 3 Dec 2011. 1 p.

Research output: Contribution to conference without publisher/journalConference abstract for conferenceResearch

Open Access
File
2012
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
2011
61 Citations (Scopus)
Proton exchange membrane fuel cells (PEMFC)
Hot water heating
Space heating
Temperature
Fuel cells
2 Citations (Scopus)

Experimental and Numerical Evaluation of the By-Pass Flow in a Catalytic Plate Reactor for Hydrogen Production

Sigurdsson, H. Ö. & Kær, S. K., 7 Aug 2011, Proceedings of ASME 2011 5th International Conference on Energy Sustainability & 9th Fuel Cell Science, Engineering and Technology Conference: ESFuelCell2011. American Society of Mechanical Engineers, 9 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Hydrogen production
Wire
Methane
Catalysts
Steam reforming