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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Research output
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Bipolar Verdazyl Radicals for Symmetrical Batteries: Properties and Stability in All States of Charge
Steen, J. S., De Vries, F., Hjelm, J. & Otten, E., 2022, (Accepted/In press) In: ChemPhysChem.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile2 Downloads (Pure) -
Blatter Radicals as Bipolar Materials for Symmetrical Redox-Flow Batteries
Steen, J. S., Nuismer, J. L., Eiva, V., Wiglema, A. E. T., Daub, N., Hjelm, J. & Otten, E., 2022, In: Journal of the American Chemical Society. 144, p. 5051-5058 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile9 Downloads (Pure) -
Leveraging coordination chemistry in the design of bipolar energy storage materials for redox flow batteries
Skavenborg, M. L., McPherson, J. N., Pasadakis-Kavounis, A., Hjelm, J., Waite, T. D. & McKenzie, C. J., 2022, In: Sustainable Energy and Fuels. 6, p. 2179-2190 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Electrochemical Characterization of Aromatic Molecules with 1,4-Diaza Groups for Flow Battery Applications
Pasadakis-Kavounis, A., Baj, V. & Hjelm, J., 2021, In: Molecules. 26, 8, 13 p., 2227.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile44 Downloads (Pure) -
Molecular Engineering Strategies for Symmetric Aqueous Organic Redox Flow Batteries
Fornari, R. P., Mesta, M., Hjelm, J., Vegge, T. & de Silva, P., 2020, In: ACS Materials Letters . 2, 3, p. 239-246Research output: Contribution to journal › Letter › peer-review
Open AccessFile180 Downloads (Pure)
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MOF derived carbon nanofiber structures for electrocatalytic conversion of CO2
Nambi, A., Kaiser, A., Hjelm, J., Ruiter, G. D. & Zhang, W.
15/11/2020 → 14/11/2023
Project: PhD
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Reactor and membrane engineering of advanced redox flow batteries
Pasadakis-Kavounis, A., Hjelm, J. & Aili, D.
01/05/2020 → 30/04/2023
Project: PhD
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In situ studies of rechargeable batteries using neutron and hard X-ray diffraction
Graae, K. V., Norby, P., Hjelm, J. & Ravnsbæk, D. B.
01/06/2019 → 20/12/2022
Project: PhD
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Machine Learning Orchestrated Discovery and Synthesis of Organic Materials
Parackal, B. B., Hjelm, J., Andreasen, J. W. & Aili, D.
01/05/2019 → 31/10/2022
Project: PhD
Activities
- 1 Conference presentations
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Regenerating the performance of solid oxide electrolyzers by periodic treatments to extend lifetime
Christopher R. Graves (Speaker), Theis Løye Skafte (Other), Marco Marchese (Other), Anne Hauch (Other), Andrea Lanzini (Other), Karin Vels Hansen (Guest lecturer), Torben Jacobsen (Other), Peter Blennow (Other) & Johan Hjelm (Other)
13 Jun 2017Activity: Talks and presentations › Conference presentations
Press / Media
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Forsknings- og uddannelsesministeren på besøg hos batteriforskere på DTU
Tejs Vegge, Johan Hjelm, Jakob Kibsgaard & Henrik Madsen
09/10/2018
1 Media contribution
Press/Media: Press / Media