• Pontoppidanstræde 111, 1-129

    9220 Aalborg Ø

    Denmark

19972021
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Research Output 1997 2020

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Journal article
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

An Analytical Solution for Lithium-Ion Batteries Cooling

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

Research output: Contribution to journalJournal articleResearchpeer-review

Cooling
Electric vehicles
Liquids
Air
Lithium-ion batteries

Thermal Analysis of an Indirect Liquid Cooling with Different Geometries for a Lithium-ion Battery

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

Research output: Contribution to journalJournal articleResearchpeer-review

Thermoanalysis
Cooling
Geometry
Liquids
Heat generation
2019
3 Citations (Scopus)
56 Downloads (Pure)

An Electrical Equivalent Circuit Model of a Lithium Titanate Oxide Battery

Madani, S. S., Schaltz, E. & Kær, S. K., Mar 2019, In : Batteries. 5, 1, p. 1-14 14 p., 31.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Equivalent circuits
Lithium
Oxides
Parameterization
Dynamic models
5 Downloads (Pure)

An experimental analysis of entropic coefficient of a lithium titanate oxide battery

Madani, S. S., Schaltz, E. & Kær, S. K., Jul 2019, In : Energies. 12, 14, p. 1-10 10 p., 2685.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Experimental Analysis
Battery
Oxides
Lithium
Heat
14 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
5 Citations (Scopus)

Fault Characterization of a Proton Exchange Membrane Fuel Cell Stack

Simon Araya, S., Zhou, F., Sahlin, S. L., Thomas, S., Jeppesen, C. & Kær, S. K., Jan 2019, In : Energies. 12, 1, p. 1-17 17 p., 152.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
Fuel Cell
Proton exchange membrane fuel cells (PEMFC)
Drying
Fault
Membrane
1 Citation (Scopus)

Hydrogen mass transport resistance changes in a high temperature polymer membrane fuel cell as a function of current density and acid doping

Thomas, S., Araya, S. S., Frensch, S. H., Steenberg, T. & Kær, S. K., Sep 2019, In : Electrochimica Acta. 317, p. 521-527 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Fuel cells
Hydrogen
Polymers
Current density
Mass transfer
1 Citation (Scopus)
30 Downloads (Pure)

Impact of iron and hydrogen peroxide on membrane degradation for polymer electrolyte membrane water electrolysis: Computational and experimental investigation on fluoride emission

Frensch, S. H., Serre, G., Fouda-Onana, F., Jensen, H. C., Christensen, M. L., Simon Araya, S. & Kær, S. K., 30 Apr 2019, In : Journal of Power Sources. 420, p. 54-62 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

peroxides
electrolysis
hydrogen peroxide
Fluorides
Electrolysis
1 Citation (Scopus)

Long-term contamination effect of iron ions on cell performance degradation of proton exchange membrane water electrolyser

Li, N., Araya, S. S. & Kær, S. K., Sep 2019, In : Journal of Power Sources. 434, p. 1-7 7 p., 226755.

Research output: Contribution to journalJournal articleResearchpeer-review

Protons
Ion exchange
contamination
Contamination
Iron
1 Citation (Scopus)

Simulation of Thermal Behaviour of a Lithium Titanate Oxide Battery

Madani, S. S., Schaltz, E. & Kær, S. K., Feb 2019, In : Energies. 12, 4, p. 1-15 15 p., 679.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
Battery
Oxides
Lithium
Lithium-ion Battery
Heat generation

The disordering-enhanced performances of the Al-MOF/graphene composite anodes for lithium ion batteries

Gao, C., Wang, P., Wang, Z., Kær, S. K., Zhang, Y. & Yue, Y., Nov 2019, In : Nano Energy. 65, 9 p., 104032.

Research output: Contribution to journalJournal articleResearchpeer-review

Graphite
Graphene
Anodes
Metals
Composite materials

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
Open Access
Carbon Dioxide
Water gas shift
Hydrogenation
Methanol
Carbon Monoxide
5 Citations (Scopus)

Towards uniformly distributed heat, mass and charge: A flow field design study for high pressure and high current density operation of PEM electrolysis cells

Olesen, A. C., Frensch, S. H. & Kær, S. K., Jan 2019, In : Electrochimica Acta. 293, p. 476-495 20 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Electrolysis
Protons
Ion exchange
Flow fields
Current density
2018
17 Citations (Scopus)
41 Downloads (Pure)

Degradation Behavior of Lithium-Ion Batteries during Calendar Ageing – The Case of the Internal Resistance Increase

Stroe, D-I., Swierczynski, M. J., Kær, S. K. & Teodorescu, R., 1 Jan 2018, In : I E E E Transactions on Industry Applications. 54, 1, p. 517-525 9 p., 8048537.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Aging of materials
Energy storage
Degradation
Temperature
Lithium-ion batteries
1 Citation (Scopus)

Effect of Bad Connection on Surface Temperature of Lithium-Ion Batteries by Using Infrared Thermography

Madani, S. S., Schaltz, E. & Kær, S. K., Aug 2018, In : ECS Transactions. 87, 1, p. 39-50 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Electric vehicles
Temperature distribution
Temperature
Vehicle performance
Thermocouples
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
1 Citation (Scopus)

From rotating disk electrode to single cell: Exploration of PtNi/C octahedral nanocrystal as practical proton exchange membrane fuel cell cathode catalyst

Wang, J., Li, B., Gao, X., Yang, D., Lv, H., Xiao, Q., Kær, S. K. & Zhang, C., Dec 2018, In : Journal of Power Sources. 406, p. 118-127 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

cell cathodes
rotating disks
Rotating disks
Proton exchange membrane fuel cells (PEMFC)
Nanocrystals
3 Citations (Scopus)
80 Downloads (Pure)

Heat Loss Measurement of Lithium Titanate Oxide Batteries under Fast Charging Conditions by Employing Isothermal Calorimeter

Madani, S. S., Schaltz, E. & Kær, S. K., Nov 2018, In : Batteries. 4, 4, p. 1-15 15 p., 59.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Calorimeters
Heat losses
Lithium
Oxides
Temperature
4 Citations (Scopus)
246 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
1 Citation (Scopus)

Investigating different break-in procedures for reformed methanol high temperature proton exchange membrane fuel cells

Thomas, S., Araya, S. S., Vang, J. R. & Kær, S. K., Aug 2018, In : International Journal of Hydrogen Energy. 43, 31, p. 14691-14700 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
fuel cells
Methanol
methyl alcohol
membranes
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
1 Citation (Scopus)
143 Downloads (Pure)

Modelling and Experimental Analysis of a Polymer Electrolyte Membrane Water Electrolysis Cell at Different Operating Temperatures

Liso, V., Savoia, G., Simon Araya, S., Cinti, G. & Kær, S. K., Nov 2018, In : Energies. 11, 12, p. 1-18 18 p., 3273.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Electrolyte
Experimental Analysis
Electrolysis
Membrane
Polymers
10 Citations (Scopus)
367 Downloads (Pure)

Model-supported characterization of a PEM water electrolysis cell for the effect of compression

Frensch, S. H., Olesen, A. C., Simon Araya, S. & Kær, S. K., Feb 2018, In : Electrochimica Acta. 263, p. 228-236 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

File
Electrolysis
Polarization
Water
Contact resistance
Mass transfer
8 Citations (Scopus)
367 Downloads (Pure)

Review of Parameter Determination for Thermal Modeling of Lithium Ion Batteries

Saeed Madani, S., Schaltz, E. & Kær, S. K., Apr 2018, In : Batteries. 4, 2, p. 1-16 16 p., 20.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Electric vehicles
Temperature control
Hybrid vehicles
Specific heat
Heat generation
1 Citation (Scopus)

Study of Temperature Impacts on a Lithium-Ion Battery Thermal Behaviour by Employing Isothermal Calorimeter

Madani, S. S., Schaltz, E. & Kær, S. K., Aug 2018, In : ECS Transactions. 87, 1, p. 295-305 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Calorimeters
Heat generation
Temperature
Temperature control
Lithium
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
1 Citation (Scopus)

Thermal Modelling of a Lithium Titanate Oxide Battery

Madani, S. S., Schaltz, E. & Kær, S. K., Aug 2018, In : ECS Transactions. 87, 1, p. 315-326 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Heat losses
Lithium
Oxides
Heat generation
Calorimeters
8 Citations (Scopus)
1 Downloads (Pure)

Thermodynamic analysis of steam reforming and oxidative steam reforming of propane and butane for hydrogen production

Cui, X. & Kær, S. K., Jul 2018, In : International Journal of Hydrogen Energy. 43, 29, p. 13009-13021 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Steam reforming
Butane
hydrogen production
Hydrogen production
butanes
3 Citations (Scopus)

Two-dimensional thermal analysis of radial heat transfer of monoliths in small-scale steam methane reforming

Cui, X. & Kær, S. K., Jul 2018, In : International Journal of Hydrogen Energy. 43, 27, p. 11952-11968 17 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Steam reforming
steam
Thermoanalysis
Heat radiation
thermal analysis
2017
3 Citations (Scopus)
152 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
6 Citations (Scopus)
177 Downloads (Pure)

An EIS alternative for impedance measurement of a high temperature PEM fuel cell stack based on current pulse injection

Jeppesen, C., Araya, S. S., Sahlin, S. L., Andreasen, S. J. & Kær, S. K., Jun 2017, In : International Journal of Hydrogen Energy. 42, 24, p. 15851-15860 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

File
impedance measurement
Electrochemical impedance spectroscopy
fuel cells
Fuel cells
impedance
1085 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
9 Citations (Scopus)

Electrothermal impedance spectroscopy as a cost efficient method for determining thermal parameters of lithium ion batteries: Prospects, measurement methods and the state of knowledge

Swierczynski, M. J., Stroe, D. L., Stanciu, T. & Kær, S. K., Jul 2017, In : Journal of Cleaner Production. 155, Part 1, p. 63-71 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

measurement method
lithium
spectroscopy
Spectroscopy
ion
12 Citations (Scopus)
25 Downloads (Pure)

Experimental study to distinguish the effects of methanol slip and water vapour on a high temperature PEM fuel cell at different operating conditions

Thomas, S., Vang, J. R., Araya, S. S. & Kær, S. K., Apr 2017, In : Applied Energy. 192, p. 422–436 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

fuel cell
density current
Water vapor
methanol
Fuel cells
7 Citations (Scopus)
195 Downloads (Pure)

Fault detection and isolation of high temperature proton exchange membrane fuel cell stack under the influence of degradation

Jeppesen, C., Araya, S. S., Sahlin, S. L., Thomas, S., Andreasen, S. J. & Kær, S. K., Aug 2017, In : Journal of Power Sources. 359, p. 37-47 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

File
fault detection
Proton exchange membrane fuel cells (PEMFC)
Fault detection
fuel cells
isolation
6 Citations (Scopus)

Impedance characterization of high temperature proton exchange membrane fuel cell stack under the influence of carbon monoxide and methanol vapor

Jeppesen, C., Polverino, P., Andreasen, S. J., Araya, S. S., Sahlin, S. L., Pianese, C. & Kær, S. K., Aug 2017, In : International Journal of Hydrogen Energy. 42, 34, p. 21901-21912 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Carbon monoxide
carbon monoxide
fuel cells
Methanol
4 Citations (Scopus)

In-situ experimental characterization of the clamping pressure effects on low temperature polymer electrolyte membrane electrolysis

Al Shakhshir, S., Cui, X., Frensch, S. H. & Kær, S. K., Aug 2017, In : International Journal of Hydrogen Energy. 42, 34, p. 21597-21606 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Pressure effects
electrolysis
pressure effects
Electrolysis
Electrolytes
6 Citations (Scopus)

Lithium-Ion Battery Power Degradation Modelling by Electrochemical Impedance Spectroscopy

Stroe, D-I., Swierczynski, M. J., Stroe, A-I., Kær, S. K. & Teodorescu, R., 2017, In : IET Renewable Power Generation. 11, 9, p. 1136-1141 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Electrochemical impedance spectroscopy
Aging of materials
Degradation
Lithium-ion batteries
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
15 Citations (Scopus)
673 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
2016
9 Citations (Scopus)

Analysing Gas-Liquid Flow in PEM Electrolyser Micro-Channels

Lafmejani, S. S., Olesen, A. C. & Kær, S. K., Sep 2016, In : ECS Transactions. 75, 14, p. 1121-1127 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Liquids
Gases
Current density
Water
Electrolysis
29 Citations (Scopus)

A numerical study of the gas-liquid, two-phase flow maldistribution in the anode of a high pressure PEM water electrolysis cell

Olesen, A. C., Rømer, C. & Kær, S. K., Jan 2016, In : International Journal of Hydrogen Energy. 41, 1, p. 52–68 17 p.

Research output: Contribution to journalJournal articleResearchpeer-review

two phase flow
electrolysis
Electrolysis
Two phase flow
Ion exchange
26 Citations (Scopus)
181 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
27 Citations (Scopus)

Modeling and experimental validation of water mass balance in a PEM fuel cell stack

Liso, V., Araya, S. S., Olesen, A. C., Nielsen, M. P. & Kær, S. K., Jan 2016, In : International Journal of Hydrogen Energy. 41, 4, p. 3079-3092 14 p.

Research output: Contribution to journalJournal articleResearchpeer-review

mass balance
Proton exchange membrane fuel cells (PEMFC)
fuel cells
electrolytes
membranes
2015
32 Citations (Scopus)

Analysis of accelerated degradation of a HT-PEM fuel cell caused by cell reversal in fuel starvation condition

Zhou, F., Andreasen, S. J., Kær, S. K. & Yu, D., 14 Jan 2015, In : International Journal of Hydrogen Energy. 40, 6, p. 2833-2839 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

fuel cells
Fuel cells
Anodes
degradation
anodes
15 Citations (Scopus)

Experimental investigation of carbon monoxide poisoning effect on a PBI/H3PO4 high temperature polymer electrolyte membrane fuel cell: Influence of anode humidification and carbon dioxide

Zhou, F., Andreasen, S. J., Kær, S. K. & Park, J. O., Nov 2015, In : International Journal of Hydrogen Energy. 40, 43, p. 14932- 14941 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

carbon monoxide poisoning
Proton exchange membrane fuel cells (PEMFC)
dioxides
Carbon monoxide
fuel cells
17 Citations (Scopus)

Experimental study of cell reversal of a high temperature polymer electrolyte membrane fuel cell caused by H2 starvation

Zhou, F., Andreasen, S. J. & Kær, S. K., Jun 2015, In : International Journal of Hydrogen Energy. 40, 20, p. 6672–6680 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
fuel cells
Current density
electrolytes
membranes
31 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