Research Output per year
Network
Recent external collaboration on country level. Dive into details by clicking on the dots.
Research Output 2007 2018
Complementary analyses of aging in a commercial LiFePO4/graphite 26650 cell
Scipioni, R., Jørgensen, P. S., Stroe, D. I., Younesi, R., Simonsen, S. B., Norby, P., Hjelm, J. & Jensen, S. H., 10 Sep 2018, In : Electrochimica Acta. 284, p. 454-468Research output: Contribution to journal › Journal article › Research › peer-review
Electrochemical Characterization of a PEMEC Using Impedance Spectroscopy (vol 164, F1419, 2017)
Elsøe, K., Grahl-Madsen, L., Scherer, G. G., Hjelm, J. & Mogensen, M. B., 2018, In : Journal of the Electrochemical Society. 165, 10, p. X9-X9Research output: Contribution to journal › Comment/debate › Communication
Electrochemical impedance of an alkaline organic flow battery
Hoffmeyer, D. & Hjelm, J., 2018, Book of Conference Papers of the International Flow Battery Forum (IFBF 2018). 3 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Noise Phenomena in Electrochemical Impedance Spectroscopy of Polymer Electrolyte Membrane Electrolysis Cells
Elsøe, K., Kraglund, M. R., Grahl-Madsen, L., Scherer, G. G., Hjelm, J., Jensen, S. H., Jacobsen, T. & Mogensen, M. B., 2018, In : Fuel Cells. 18, 5, p. 640-648Research output: Contribution to journal › Journal article › Research › peer-review
Open Access
File
Reactivating the Ni-YSZ electrode in solid oxide cells and stacks by infiltration
Skafte, T. L., Hjelm, J., Blennow Tullmar, P. & Graves, C. R., 2018, In : Journal of Power Sources. 378, p. 685-690Research output: Contribution to journal › Journal article › Research › peer-review
Open Access
File
Projects 2008 2022
Machine Learning Orchestrated Discovery and Synthesis of Organic Materials
Parackal, B., Hjelm, J., Andreasen, J. W. & Søndergaard, R. R.
01/05/2019 → 30/04/2022
Project: PhD
Organic Redox Flow Batteries: Active Materials and Cell Stability
Hoffmeyer, D., Hjelm, J., Vegge, T. & Søndergaard, R. R.
01/01/2018 → 31/12/2020
Project: PhD
Nano-Editor: Development of nano-materials based printing media for all-ceramic solid oxide fuel cells manufacturing
Rosa, M., Esposito, V., Zielke, P., Kiebach, W., Lesch, A., Hjelm, J., Faro, M. T. & Sanson, A.
01/09/2016 → 11/12/2019
Project: PhD
Electrochemical Characterization for Improvement of PEM Eletrolysers for Flexible Energy Storage
Elsøe, K., Hjelm, J., Hauch, A., Arico, A. S., Sunde, S. & Mogensen, M. B.
15/06/2015 → 30/09/2018
Project: PhD
In-operando spatially resolved probing of solid oxide electrolysis/fuel cells
Pitscheider, S., Chatzichristodoulou, C., Chueh, W. C., Hansen, K. V., Hjelm, J., Hendriksen, P. V., Knudsen, J. & Fleig, J.
01/05/2015 → 16/08/2018
Project: PhD
Activities 2017 2017
- 1 Conference presentations
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 2017
Activity: Talks and presentations › Conference presentations
Press / Media
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