Department of Chemistry

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 Department of Chemistry Research Research areas and groups Inorganic chemistry Materials for rechargeable batteries Publications

Publications

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Klemmt, R., Salek, A. G., Karlsen, M. A., Ravnsbæk, D. B., Martin, A. V. & Bøjesen, E. D. (2026). Disentangling Intra- and Interlayer Disorder in Disordered Carbons via Pair-Angle Distribution Function Analysis. ACS Materials Letters, 8(3), 925-931. https://doi.org/10.1021/acsmaterialslett.5c01636
Karade, S. S., Sharma, R., Gyergyek, S., Morgen, P., Andersen, B. P., Karlsen, M. A., Ravnsbæk, D. & Andersen, S. M. (2026). Hydrolysis synthesis of iridium oxide (IrOx) on carbon for acidic oxygen evolution: Influence of heat-treatment on structure and electrocatalytic activity. Surfaces and Interfaces, 81, Article 108451. https://doi.org/10.1016/j.surfin.2026.108451
Uth, M., Verdelin, J. K., Buhl, K. B., Hjelm, J., Pedersen, S. U., Daasbjerg, K. & Ravnsbæk, D. B. (2026). Impact of Graphene Oxide Lateral Size on the Long-Term Stability of LiNi0.5Mn1.5O4 Electrodes. Batteries and Supercaps, 9(2), Article e202500357. https://doi.org/10.1002/batt.202500357
Jiang, Z., Zhang, Y., Ravnsbæk, D. B., Gao, C., Christensen, N. B., Cui, F., Pan, R., Luo, K., Zhang, G., Zhang, W., Lei, S., Sun, L., He, G., Yin, K. & Yue, Y. (2025). An Adaptable Structure of Metal-Organic Framework Glass Interlayer Enables Superior Performance in Aqueous Zinc-Ion Batteries. Advanced Materials, 37(7), Article 2413167. https://doi.org/10.1002/adma.202413167
Guo, J., Stroe, D. I., Adelhelm, P. & Bomholdt Ravnsbæk, D. (2025). Battery Aging Mechanisms Under Real-World Driving Conditions. Paper presented at Swiss Battery Days 2025, Zurich, Switzerland.
Bjerre-Christensen, N., Eriksen, C. B., Sylvester-Hvid, K. O. & Ravnsbæk, D. B. (2025). Characterization of Industrial Black Mass from End-of-Life LiFePO4-Graphite Batteries. Batteries, 11(6), Article 210. https://doi.org/10.3390/batteries11060210
Drejer, A. Ø., Schou Hansen, M., Johansen, M., Dunker, J., Poppe, R., Hadermann, J. & Ravnsbæk, D. B. (2025). Charge-Discharge Mechanisms in O3-NaxFe0.5Mn0.5O2 Na-Ion Battery Electrodes─Unraveling the Structure of the X-Phase. Chemistry of Materials, 37(14), 5234-5248. https://doi.org/10.1021/acs.chemmater.5c00961
Praetz, S., Johansen, M., Kober, D., Tesic, M., Schlesiger, C., Bomholdt Ravnsbæk, D. & Kanngießer, B. (2025). Operando laboratory XAS on battery materials using the DANOISE cell in a von Hámos spectrometer. Journal of Analytical Atomic Spectrometry, 40(9), 2447-2461. https://doi.org/10.1039/d5ja00155b
Guo, J., Stroe, D. I., Adelhelm, P. & Ravnsbæk, D. (2025). Pulse Current Charging for Lithium-Ion Batteries and Beyond. 1. Abstract from 248th ECS Meeting 2025.
Johansen, M., Verdelin, J. K., Kallio, A.-J., Kessler, T. O., Huotari, S. & Ravnsbæk, D. B. (2024). DANOISE; A 3D Printable Battery Cell for Laboratory Operando X‑ray Diffraction and Absorption Spectroscopy. Batteries & Supercaps, 7(8), Article e202400033. https://doi.org/10.1002/batt.202400033
Jakobsen, C. L., Johansen, M., Ericsson, T., Häggström, L., Christensen, C. K., Nielsen, I., Brant, W. R. & Ravnsbæk, D. B. (2024). Ion-intercalation mechanism and structural relaxation in layered iron phosphate Na3Fe3(PO4)4 cathodes. Frontiers in Batteries and Electrochemistry, 3. https://doi.org/10.3389/fbael.2024.1433241
Karlsen, M. A., Billet, J., Tao, S., Van Driessche, I., Billinge, S. J. L. & Ravnsbæk, D. B. (2024). Operando pair distribution function analysis of nanocrystalline functional materials: the case of TiO2-bronze nanocrystals in Li-ion battery electrodes. Journal of Applied Crystallography, 57(Pt 4), 1171-1183. https://doi.org/10.1107/S1600576724005624
Pandit, B., Johansen, M., Susana Martínez-Cisneros, C., Naranjo-Balseca, J. M., Levenfeld, B., Ravnsbæk, D. B. & Varez, A. (2024). Na3V2(PO4)3 Cathode for Room-Temperature Solid-State Sodium-Ion Batteries: Advanced In Situ Synchrotron X-ray Studies to Understand Intermediate Phase Evolution. Chemistry of Materials, 36(5), 2314-2324. https://doi.org/10.1021/acs.chemmater.3c02585
Johansen, M. & Ravnsbæk, D. B. (2024). Order-Disorder Transition in Rutile VO2(M) Electrodes during Li Intercalation and Extraction. ACS Omega, 9(34), 36291-36298. https://doi.org/10.1021/acsomega.4c02839
Jakobsen, C. L., Andersen, B. P., Johansen, M., Christensen, C. K., Drejer, A. Ø., Karlsen, M. A. & Ravnsbæk, D. B. (2024). Structure and evolution of disordered deep-charge phases in NaxCrO2 Na-ion battery electrodes. Journal of Power Sources, 591, Article 233875. https://doi.org/10.1016/j.jpowsour.2023.233875
Sørensen, S. S., Christensen, A. K. R., Bouros-Bandrabur, E. A., Andersen, E. S., Christiansen, H. F., Lang, S., Cao, F., Jalaludeen, M. F. U., Christensen, J. F. S., Winters, W. M. W., Andersen, B. P., Nielsen, A. B., Nielsen, N. C., Bomholdt Ravnsbæk, D., Kristensen, P. K., Yue, Y. & Smedskjær, M. M. (2024). Water Promotes Melting of a Metal-Organic Framework. Chemistry of Materials, 36(6), 2756-2766. https://doi.org/10.1021/acs.chemmater.3c02873
Pandit, B., Johansen, M., Andersen, B. P., Martínez-Cisneros, C. S., Levenfeld, B., Ravnsbæk, D. B. & Varez, A. (2023). All-solid-state sodium-ion batteries operating at room temperature based on NASICON-type NaTi2(PO4)3 cathode and ceramic NASICON solid electrolyte: A complete in situ synchrotron X-ray study. Chemical Engineering Journal, 472, Article 144509. https://doi.org/10.1016/j.cej.2023.144509
Christensen, C. K., Karlsen, M. A., Drejer, A. Ø., Andersen, B. P., Jakobsen, C. L., Johansen, M., Sørensen, D. R., Kantor, I., Jørgensen, M. R. V. & Ravnsbæk, D. B. (2023). Beam damage in operando X-ray diffraction studies of Li-ion batteries. Journal of Synchrotron Radiation, 30(Part 3), 561-570. https://doi.org/10.1107/S160057752300142X
Drejer, A. Ø., Pedersen, M. S., Johansen, M. & Ravnsbæk, D. B. (2023). Local and Global Structures in the Phase Evolution of P2-NaxFeyMn1-yO2 Electrodes for Na-Ion Batteries. ACS Applied Energy Materials, 6(9), 4909-4921. https://doi.org/10.1021/acsaem.3c00387
Drejer, A. Ø., Andersen, B. P. & Ravnsbæk, D. B. (2023). Structural evolution dependency on depth-of-discharge in VO2(B) Li-ion battery electrodes. Journal of Power Sources, 556, Article 232435. https://doi.org/10.1016/j.jpowsour.2022.232435
Sørensen, D. R., Drejer, A. Ø., Heere, M., Senyshyn, A., Frontzek, M., Hansen, T., Didier, C., Peterson, V. K., Bomholdt Ravnsbæk, D. & Jørgensen, M. R. V. (2022). An Easy-to-Use Custom-Built Cell for Neutron Powder Diffraction Studies of Rechargeable Batteries. Chemistry-Methods, 2(10), Article e202200046. https://doi.org/10.1002/cmtd.202200046
Jakobsen, C. L., Brighi, M., Andersen, B. P., Ducrest, G., Černý, R. & Ravnsbæk, D. B. (2022). Expanded solid-solution behavior and charge-discharge asymmetry in NaxCrO2 Na-ion battery electrodes. Journal of Power Sources, 535, Article 231317. https://doi.org/10.1016/j.jpowsour.2022.231317
Gao, C., Jiang, Z., Qi, S., Wang, P., Jensen, L. R., Johansen, M., Christensen, C. K., Zhang, Y., Ravnsbæk, D. B. & Yue, Y. (2022). Metal-Organic Framework Glass Anode with an Exceptional Cycling-Induced Capacity Enhancement for Lithium-Ion Batteries. Advanced Materials, 34(10), Article 2110048. https://doi.org/10.1002/adma.202110048
Thatcher, Z., Liu, C. H., Yang, L., McBride, B. C., Thinh Tran, G., Wustrow, A., Karlsen, M. A., Neilson, J. R., Ravnsbæk, D. B. & Billinge, S. J. L. (2022). nmfMapping: a cloud-based web application for non-negative matrix factorization of powder diffraction and pair distribution function datasets. Acta Crystallographica Section A: Foundations and Advances, 78, 242-248. https://doi.org/10.1107/S2053273322002522
Boesenberg, U., Henriksen, C., Rasmussen, K. L., Chiang, Y.-M., Garrevoet, J. & Bomholdt Ravnsbæk, D. (2022). State of LiFePO4 Li-Ion Battery Electrodes after 6533 Deep-Discharge Cycles Characterized by Combined Micro-XRF and Micro-XRD. ACS Applied Energy Materials, 5(4), 4358-4368. https://doi.org/10.1021/acsaem.1c03966
Ozer, B., Karlsen, M. A., Thatcher, Z., Lan, L., McMahon, B., Strickland, P. R., Westrip, S. P., Sang, K. S., Billing, D. G., Ravnsbaek, D. B. & Billinge, S. J. L. (2022). Towards a machine-readable literature: finding relevant papers based on an uploaded powder diffraction pattern. Acta Crystallographica Section A: Foundations and Advances, A78(Part 5), 386-394. https://doi.org/10.1107/S2053273322007483
Sharma, R., Karlsen, M., Morgen, P., Chamier, J., Ravnsbæk, D. B. & Andersen, S. M. (2021). Crystalline Disorder, Surface Chemistry, and Their Effects on the Oxygen Evolution Reaction (OER) Activity of Mass-Produced Nanostructured Iridium Oxides. ACS Applied Energy Materials, 4(3), 2552–2562. https://doi.org/10.1021/acsaem.0c03127
Rasmussen, K. L., Delbey, T., Skytte, L., La Nasa, J., Colombini, M. P., Ravnsbæk, D. B., Jørgensen, B., Kjeldsen, F., Grønnow, B. & Larsen, S. (2021). In the darkest hour: Analyses of a black spot on the last page of the diary of polar explorer Jørgen Brønlund (d. 1907). Archaeometry, 63(4), 893-905. https://doi.org/10.1111/arcm.12641
Jakobsen, C. L., Skovgaard Nielsen, K., Morgen, P., Bøjesen, E. D. & Bomholdt Ravnsbæk, D. (2021). Polymorphic Purity and Structural Charge–Discharge Evolution of β-LiVOPO4 Cathodes. The Journal of Physical Chemistry Part C, 125(44), 24301-24309. https://doi.org/10.1021/acs.jpcc.1c05494
Andersen, A. B. A., Henriksen, C., Wang, Q., Bomholdt Ravnsbæk, D., Hansen, L. P. & Nielsen, U. G. (2021). Synthesis and Thermal Degradation of MAl4(OH)12SO4·3H2O with M = Co2+, Ni2+, Cu2+, and Zn2+. Inorganic Chemistry, 60(21), 16700–16712. https://doi.org/10.1021/acs.inorgchem.1c02579
Christensen, C. K. & Ravnsbaek, D. B. (2021). Understanding disorder in oxide-based electrode materials for rechargeable batteries. JPhys Energy, 3(3), Article 031002. https://doi.org/10.1088/2515-7655/abf0f1
Henriksen, C., Mathiesen, J. K. & Ravnsbæk, D. B. (2020). Improving capacity and rate capability of Li-ion cathode materials through ball milling and carbon coating – Best practice for research purposes. Solid State Ionics, 344, Article 115152. https://doi.org/10.1016/j.ssi.2019.115152
Hirscher, M., Yartys, V. A., Baricco, M., Bellosta von Colbe, J., Blanchard, D., Bowman, R. C., Broom, D. P., Buckley, C. E., Chang, F., Chen, P., Cho, Y. W., Crivello, J. C., Cuevas, F., David, W. I. F., de Jongh, P. E., Denys, R. V., Dornheim, M., Felderhoff, M., Filinchuk, Y. ... Zlotea, C. (2020). Materials for hydrogen-based energy storage – past, recent progress and future outlook. Journal of Alloys and Compounds, 827, Article 153548. https://doi.org/10.1016/j.jallcom.2019.153548
Henriksen, C., Karlsen, M. A., Jakobsen, C. L. & Ravnsbæk, D. B. (2020). Na-Ion storage in iron hydroxide phosphate hydrate through a reversible crystalline-to-amorphous phase transition. Nanoscale, 12(24), 12824-12830. https://doi.org/10.1039/d0nr01922d
Nielsen, M. Ø., Lund, P. B., McKee, V., Ravnsbæk, D. B., Warner, T. E. & Wegeberg, C. (2020). On the synthesis and structure of the copper-molybdenum oxide bronzes: Monoclinic Cu2Mo10O30 and orthorhombic CuMo9O26. Journal of Solid State Chemistry, 285, Article 121259. https://doi.org/10.1016/j.jssc.2020.121259
Sørensen, D. R., Drejer, A. Ø., Karlsen, M. A., Nielsen, U. G., Heere, M., Senyshyn, A. & Ravnsbæk, D. B. (2020). The Effect of oxygen defects on the structural evolution of LiVPO4F1−yoy cathode materials. ACS Applied Energy Materials, 3(10), 9750-9759. https://doi.org/10.1021/acsaem.0c01348
Drejer, A. Ø., Sørensen, D. R., Heere, M. & Ravnsbæk, D. B. (2019). A new operando cell for neutron diffraction on Li-ion battery materials. Poster session presented at Nordbatt 2019, Kongens Lyngby, Denmark.
Latroche, M., Blanchard, D., Cuevas, F., El Kharbachi, A., Hauback, B. C., Jensen, T. R., de Jongh, P. E., Kim, S., Nazer, N. S., Ngene, P., Orimo, S. I., Ravnsbæk, D. B. & Yartys, V. A. (2019). Full-cell hydride-based solid-state Li batteries for energy storage. International Journal of Hydrogen Energy, 44(15), 7875-7887. https://doi.org/10.1016/j.ijhydene.2018.12.200
Drejer, A. Ø., Sørensen, D. R. & Ravnsbæk, D. B. (2019). Investigation of Intercalation Mechanisms in rechargeable Li-ion batteries. Poster session presented at Nordic Neutron Meeting 2019, Aarhus, Denmark.
Drejer, A. Ø., Sørensen, D. R. & Ravnsbæk, D. B. (2019). Investigation of Intercalation Mechanisms in Rechargeable Li-ion Batteries with X-ray and Neutron Diffraction. Poster session presented at DanScatt Annual Meeting 2019, Aarhus, Denmark.
Drejer, A. Ø., Sørensen, D. R. & Ravnsbæk, D. B. (2019). Investigation of Intercalation Mechanisms in Second Generation rechargeable Li-ion batteries. Poster session presented at 3rd Inorganic Graduate Student Seminar, Odense, Denmark.
Drejer, A. Ø. & Ravnsbæk, D. B. (2019). Investigation of li-ion intercalation mechanisms in a crystalline vo2(b) phase in rechargeable li-ion batteries. Poster session presented at Annual Meeting of The Danish Electrochemical Society 2019, Korsør, Denmark.
Warner, T. E., Bancells, M. M., Lund, P. B., Lund, F. W. & Ravnsbæk, D. B. (2019). On the thermal stability of manganese(II) sulfate and its reaction with zeolite A to form the sodalite Na6Mn2[Al6Si6O24](SO4)2. Journal of Solid State Chemistry, 277, 434-440. https://doi.org/10.1016/j.jssc.2019.06.038
Christensen, C. K., Mamakhel, M. A. H., Balakrishna, A. R., Iversen, B. B., Chiang, Y. M. & Ravnsbæk, D. B. (2019). Order-disorder transition in nano-rutile TiO2 anodes: A high capacity low-volume change Li-ion battery material. Nanoscale, 11(25), 12347-12357. https://doi.org/10.1039/c9nr01228a
Ravnsbaek, D. (2019). Order-disorder transitions in battery electrodes studied by operando x-ray scattering. Acta Crystallographica Section A: Foundations and Advances, A75(Supplement), E308. Article MS18-02. https://doi.org/10.1107/S2053273319092489
Henriksen, C., Mathiesen, J. K., Chiang, Y. M., Jensen, K. M. Ø. & Ravnsbæk, D. B. (2019). Reducing Transformation Strains during Na Intercalation in Olivine FePO4 Cathodes by Mn Substitution. ACS Applied Energy Materials, 2(11), 8060-8067. https://doi.org/10.1021/acsaem.9b01560
Christensen, C. K., Sørensen, D. R., Hvam, J. & Ravnsbæk, D. B. (2019). Structural Evolution of Disordered LixV2O5 Bronzes in V2O5 Cathodes for Li-Ion Batteries. Chemistry of Materials, 31(2), 512-520. https://doi.org/10.1021/acs.chemmater.8b04558
Huen, P. & Ravnsbæk, D. B. (2018). All-solid-state lithium batteries – The Mg2FeH6-electrode LiBH4-electrolyte system. Electrochemistry Communications, 87, 81-85. https://doi.org/10.1016/j.elecom.2018.01.001
Sørensen, D. R., Mathiesen, J. K. & Ravnsbæk, D. B. (2018). Dynamic charge-discharge phase transitions in Li3V2(PO4)3 cathodes. Journal of Power Sources, 396, 437-443. https://doi.org/10.1016/j.jpowsour.2018.06.023
Henriksen, C., Wegeberg, C. & Ravnsbæk, D. B. (2018). Phase Transformation Mechanism of Li-Ion Storage in Iron(III) Hydroxide Phosphates. Journal of Physical Chemistry C, 122(4), 1930-1938. https://doi.org/10.1021/acs.jpcc.7b10352

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Revised 17.04.2023