Research output per year
Research output per year
Personal profile
Profile
Main Research Area: Materials, Devices, and Diagnostics for Electrochemical Energy Conversion and Storage
- Physical processes, performance, and lifetime limiting effects in electrochemical energy systems
- Electrode and electrolyte materials for batteries and redox flow batteries
- Organic energy materials, membranes, polymers, synthesis
- Molecular electrochemistry
- Electrochemical impedance spectroscopy
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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Collaborations and top research areas from the last five years
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Publications
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Sulfonated para-Polybenzimidazole Membranes for Use in Vanadium Redox Flow Batteries
Bui, T. T., Shin, M., Abbas, S., Ikhsan, M. M., Do, X. H., Dayan, A., Almind, M. R., Park, S., Aili, D., Hjelm, J., Hwang, J., Ha, H. Y., Azizi, K., Kwon, Y. & Henkensmeier, D., 2025, (Accepted/In press) In: Advanced Energy Materials. 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile44 Downloads (Orbit) -
Aggregation and Capacity Limiting Effects in Anthraquinone-Based Flow Battery Negolytes
Pasadakis-Kavounis, A., Baj, V. & Hjelm, J., 2024, In: Journal of the Electrochemical Society. 171, 2, 7 p., 020501.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile68 Downloads (Orbit) -
Correlating Electrolyte Infiltration with Accessible Surface Area in Macroporous Electrodes using Neutron Radiography
Boz, E. B., van der Heijden, M., Jacquemond, R. R., Boillat, P., Hjelm, J. & Forner-Cuenca, A., 2024, In: Journal of the Electrochemical Society. 171, 5, 11 p., 053509.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile21 Downloads (Orbit) -
Electrochemical Performance of Dual-layer Carbon Electrodes for Aqueous Redox Flow Batteries
Liu, B., De Angelis, S., Dahl, V. A., Simonsen, S. B. & Hjelm, J., 2024, Energy Proceedings: Energy Transitions toward Carbon Neutrality: Part IV. Vol. 41. 6 p. (Energy Proceedings, Vol. 41).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Open AccessFile61 Downloads (Orbit) -
Gas-phase electrochemical CO2 reduction on silver-copper BTC MOF in a zero-gap membrane electrode assembly
Nambi, A., Chatzitakis, A., Olsbye, U., Hjelm, J., Zhao, Y. & Kaiser, A., 2024, In: Electrochimica Acta. 506, 10 p., 144763.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile50 Downloads (Orbit)
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Simulations of stability of flow battery electrolytes
Sessa, A. (PhD Student), de Silva, P. (Main Supervisor) & Hjelm, J. (Supervisor)
01/03/2025 → 29/02/2028
Project: PhD
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Electrode and Flow-field Optimization for Advanced Alkaline and Anion Exchange Membrane Electrolysis Cells
Singhofen, L. A. (PhD Student), Chatzichristodoulou, C. (Main Supervisor), Hjelm, J. (Supervisor) & Groot, M. T. D. (Supervisor)
01/03/2025 → 29/02/2028
Project: PhD
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Understanding Water Transport and Degradation Pathways in Membranes Tailored for CO2 Reduction Reactors
Dragani, T. (PhD Student), Hjelm, J. (Main Supervisor) & Konovalova, A. (Supervisor)
15/01/2025 → 14/01/2028
Project: PhD
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FerroBAT: Iron Flow Batteries for Maritime and Stationary Applications
Træholt, C. (PI), Zhao, C. (Project Participant) & Hjelm, J. (PI)
01/03/2023 → 28/02/2026
Project: Research
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Organic electrosynthesis for integration of renewable electricity into sustainable plastics, polymers and chemicals (OrganicEC)
Tran, D. (PhD Student), Hjelm, J. (Main Supervisor), Holtappels, P. W. (Supervisor), Kaiser, A. (Supervisor), Lam, K. (Examiner) & Stephens, I. E. L. (Examiner)
01/12/2020 → 15/07/2024
Project: PhD
Activities
- 1 Conference presentations
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Regenerating the performance of solid oxide electrolyzers by periodic treatments to extend lifetime
Graves, C. R. (Speaker), Skafte, T. L. (Other), Marchese, M. (Other), Hauch, A. (Other), Lanzini, A. (Other), Hansen, K. V. (Guest lecturer), Jacobsen, T. (Other), Blennow, P. (Other) & Hjelm, J. (Other)
13 Jun 2017Activity: Talks and presentations › Conference presentations
Press/Media
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Forsknings- og uddannelsesministeren på besøg hos batteriforskere på DTU
Vegge, T., Hjelm, J., Kibsgaard, J. & Madsen, H.
09/10/2018
1 Media contribution
Press/Media: Press / Media