Publications directly related to the team's expertises

S. J. Kaufmann, J. Quade, J. Buschmann, J. Meyer, K. P. Birke, P. Rößner,
Bridging Plasma Dynamics and Reaction Engineering: A Framework for Predictable CO2 Conversion in Rotating Non-Thermal Arcs,
Chemistry-Methods 2026, 6 (3), e202600002.
DOI: 10.1002/cmtd.202600002

V. B. Seithümmer, S. J. Kaufmann, F. J. Brucker, R. C. Sahin, K. P. Birke, P. Rößner,
Integrating Direct Air Capture Technology and Plasma Based Calcination for Sustainable Syngas and Concrete - An Experimental Investigation,
Adv. Mater. Interfaces 2026, 13 (6), e00992.
DOI: 10.1002/admi.202500992

H. Chinnaraj, S. J. Kaufmann, V. Seithümmer, M. Minas, J. Lang, K. P. Birke,
Development of an Inverter Topology Using the Transformer Leakage Parameters for Dielectric Barrier Discharge Plasma Reactor,
IEEE Trans. Plasma Sci. 2026, 1-10.
DOI: 10.1109/TPS.2026.3665048

S. J. Kaufmann, J. Quade, J. Buschmann, H. Chinnaraj, K. P. Birke, P. Rößner,
CO2 and CH4 conversion in a rotating DC glow to arc plasma with big discharge gap,
J. CO2 Util. 2026, 105, 103347.
DOI: 10.1016/j.jcou.2026.103347

F. Hauf, S. van Daele, M. K. Birhanu, S. Haufe, T. Breugelmans, E. Klemm,
Integrated CO2 Capture and Electrolysis: Advancing Industrial Implementation,
Curr. Opin. Chem. Eng. 2026, 51, 101222.
DOI: 10.1016/j.coche.2025.101222

N. Heimann, F. Moser, M. Raab, J. Hüttenrauch, R.-U. Dietrich,
Standardized techno-economic assessment of synthetic natural gas and synthetic hydrogen natural gas production for the transport sector and gas grid.
Energy Convers. Manage. 2026, 351, 120973.
DOI: 10.1016/j.enconman.2025.120973

M. Troia, C. Vagkidis, A. Schulz, A. Köhn-Seemann, M. Walker, G. Tovar,
NOx Production via an Atmospheric Microwave Air Plasma Torch,
Chem. Ing. Tech. 2025, 97 (5), 435-443.
DOI: 10.1002/cite.202400137

S. M. Krämer, A. S. Nielsen, S. Maier, S. Mucci, M. Hillestad, O. S. Burheim,
Power- and biomass-to-liquid processes with fuel-assisted solid oxide electrolysis cells and water gas shift-adjusted systems: A techno-economic analysis.
Fuel 2025, 396, 135290.
DOI: 10.1016/j.fuel.2025.135290

N. Heimann, M. Raab, N. Wulff, S. Haas, S. Pichlmaier and R.-U. Dietrich,
Contribution to a standardized economic and ecological assessment methodology for e-fuel production in Germany.
Front. Energy Res. 2025, 13, 1297299.
DOI: 10.3389/fenrg.2025.1297299

J. Weyand, S. Adelung, J. Wallinder, B. Sridharan, R. Venderbosch, H. J. Heeres, R.-U. Dietrich,
Sustainable aviation fuel from Kraft lignin – Technical, economic and ecological process analysis.
J. Cleaner Prod. 2025, 500, 144559.
DOI: 10.1016/j.jclepro.2024.144559

A. Rashid, M. Thiem, M. Wellmann, M. Bresser, O. Lindemann, K. Wiegers, J. P. Hofmann, A. Schulz, A. Feldhoff, A. Weidenkaff, M. Widenmeyer,
Enhancing the hydrogen tolerance of La0.6Ca0.4Co0.2Fe0.8O3–d oxygen transport membranes with the substitution of 10 % Mn at the B site for plasma assisted CO2 conversion,
Open Ceram. 2025, 22, 100781.
DOI: 10.1016/j.oceram.2025.100781

R.-U. Dietrich, S. Adelung, F. Habermeyer, N. Heimann, S. Maier, M. Raab, and Y. Rahmat,
Large-scale transport of renewable energy via hydrogen and derivates.
Encyclopedia of Electrochemical Power Sources (Second Edition) 2025, 6, 199-231.
DOI: 10.1016/B978-0-323-96022-9.00183-3

V. B. Seithümmer, C. Dubiel, S. J. Kaufmann, H. Chinnaraj, P. Rößner, K. P. Birke,
Direct Air Capture via Counter-Current NaOH Absorption System: Evolution of pH for Subsequent Plasma-Enhanced CO₂ Utilization,
Chem. Ing. Tech. 2025, 97 (5), 554-559.
DOI: 10.1002/cite.202400145

A. Schulz, K. Wiegers, M. Troia, M. Bresser, S. Merli, M. Walker, G. Tovar,
Novel Microwave Plasma Source for Plasma Chemistry in Gases
Chem. Ing. Tech. 2025, 97 (5), 487-494.
 DOI: 10.1002/cite.202400158

M. Bresser, K. Wiegers, A. Schulz, M. Walker, G. Tovar,
CO Generation from CO2 Using an Atmospheric Microwave Plasma Process
Chem. Ing. Tech. 2025, 97 (5), 479-486.
 DOI: 10.1002/cite.202400157

G. Lombardo, Y. Wang, C. Stockinger, J. P. Spatz, U. Nieken,
A Particle-Based Model Reduction for Lithium-Ion Batteries,
J. Electrochem. Soc. 2025, 172, 060512.
DOI: 10.1149/1945-7111/add910 

F. Hauf, R. Kollmuß, S. Haufe, E. Klemm,
Evaluation of absorbent solutions for the integrated CO2 desorption and electrolysis,
Adv. Sustainable Syst. 2025, 9 (10), e00846.
DOI: 10.1002/adsu.202500846

D. Kleschew, M. Sentko, U. Nieken,
Electrically Heated Multilayer Ceramic Composite Tubes for High-Temperature Endothermic Reactions,
Chem. Ing. Tech. 2025, 97 (6), 608-617.
DOI: 10.1002/cite.202500005

C. Vagkidis, A. Schulz, S. Merli, M. Ramisch, E. Holzhauer, W. Kasparek, G. Tovar, A. Köhn-Seemann,
Advanced microwave method for electron density profile reconstruction of an atmospheric plasma torch,
Plasma Sources Sci. Technol. 2025, 34, 105004.
DOI: 10.1088/1361-6595/ae0762

S. J. Kaufmann, P. Rößner, K. P. Birke,
Closing the carbon cycle in plasma-based CO2 splitting - a techno-economic perspective,
Chem. Ing. Tech. 2025, 97 (5), 454-462. 

DOI: 10.18419/opus-16813

S. Brosch, T. Mager, J. Linkhorst, U. Nieken, M. Wessling,
Fluid distribution in artificially manufactured porous mixed-wetting materials as a model for gas diffusion electrodes,
Chem. Eng. Sci. 2025, 309, 121465.
DOI: 10.1016/j.ces.2025.121465

I. Dinges, M. Pyschik, J. Schütz, S. Schneider, E. Klemm, S. Waldvogel, M. Stöckl,
All Electrochemical Synthesis of Performic Acid Starting from CO2, O2 and H2O,
ChemSusChem 2025, 18 (12), e202500180.
DOI: 10.1002/cssc.202500180

V.B. Seithümmer, J. V. Lutz, S. J. Kaufmann, H. Chinnaraj, P. Rößner, K. P. Birke,
Powering the future: Germany’s Wasserstoffstrategie in the transition to climate neutrality–case study on green hydrogen for the chemical industry,
Energy Adv. 2024, 3, 2887-2895.
DOI: 10.1039/D4YA00246F

R.-U. Dietrich, S. Adelung, F. Habermeyer, S. Maier, P. Philippi, M. Raab & J. Weyand,
Technical, economic and ecological assessment of European sustainable aviation fuels (SAF) production.
CEAS Aeronaut J 2024, 15, 161–174.
DOI: 10.1007/s13272-024-00714-0

M. Raab, R.-U. Dietrich, P. Philippi, J. Gibbs, W. Grimme,
Aviation fuels of the future - A techno-economic assessment of distribution, fueling and utilizing electricity-based LH2, LCH4 and kerosene (SAF).
Energy Convers. Manage.: X 2024, 23, 100611.
DOI: 10.1016/j.ecmx.2024.100611

F. Habermeyer, J. Weyand, S. Maier, E. Kurkela, R.‑U. Dietrich
Power Biomass to Liquid — an option for Europe’s sustainable and independent aviation fuel production.
Biomass Conv. Bioref. 2024, 14, 16199–16217.
DOI: 10.1007/s13399-022-03671-y

A. Hecimovic, M. T. Mayer, L. G. J. de Haart, S. Gupta, C. K. Kiefer, A. Navarrete, A. Schulz, U. Fantz,
Benchmarking microwave-induced CO2 plasma splitting against electrochemical CO2 reduction for a comparison of promising technologies.
J. CO2 Util. 2024, 83, 102825.
DOI: 10.1016/j.jcou.2024.102825

D. Kleschew, U. Tuttlies, U. Nieken,
Experimental Analysis of Inductive Heating of Catalytic Beds,
Chem. Ing. Tech. 2024, 96 (6), 769–773.
DOI: 10.1002/cite.202300168

Q. Chen, A. Kube, B. Rana, I. Biswas, T. Morawietz, D. Kopljar, K. A. Friedrich,
Scalable fabrication of multi-layered Cu-based electrodes via solvent-free method for the selective electrochemical conversion of CO2 to C2+ products.
Green Chem. 2024, 26 (12), 7038–7047.
DOI: 10.1039/D4GC00711E

Q. Chen, A. Kube, D. Kopljar, K. A. Friedrich,
Advanced Impedance Analysis for Performance Degradation during Low-Temperature CO2 Electroreduction.
ACS Energy Lett. 2024, 9 (12), 6096–6103.
DOI: 10.1021/acsenergylett.4c02673

S. J. Kaufmann, H. Chinnaraj, J. Buschmann, P. Rößner, K. P. Birke,
Reaction-Engineering Approach for Stable Rotating Glow-to-Arc Plasma—Key Principles of Effective Gas-Conversion Processes,
Catalysts 2024, 14 (12), 864.
DOI: 10.3390/catal14120864

S. J. Kaufmann, F. Bender, P. Rößner, S. Renninger, J. Stein, V. Seithümmer, K. P. Birke,
Techno-economic potential of plasma-based calcium looping for CO2 capture and utilization in power-to-liquid plants,
J. CO2 Util. 2024, 85, 102892.
DOI: 10.1016/j.jcou.2024.102892

R. Antunes, K. Wiegers, A. Hecimovic, C. Kiefer, S. Buchberger, A. Meindl, T. Schiestel, A. Schulz, M. Walker, U. Fantz,
Proof of Concept for O2 Removal with Multiple LCCF Membranes Accommodated in the Effluent of a CO2 Plasma Torch,
ACS Sustainable Chem. Eng. 2023, 11, 15984−15993.
DOI: 10.1021/acssuschemeng.3c04862

Q. Chen, A. Kube, D. Schonvogel, D. Kopljar, E. Klemm, K. A. Friedrich,
Elucidating key mechanistic processes during acidic CO2 electroreduction on gas diffusion electrodes towards stable production of formic acid,
Chem. Eng. J. 2023, 476, 146486.
DOI: 10.1016/j.cej.2023.146486

A. Rashid, H. Lim, D. Plaz, G. Escobar Cano, M. Bresser, K. Wiegers, G. Confalonieri, S. Baek, G. Chen, A. Feldhoff, A. Schulz, A. Weidenkaff, M. Widenmeyer,
Hydrogen-Tolerant La0.6Ca0.4Co0.2Fe0.8O3–d Oxygen Transport Membranes from Ultrasonic Spray Synthesis for Plasma-Assisted CO2 Conversion,
Membranes 2023, 13, 875
DOI: 10.3390/membranes13110875

M. König, J. Vaes, D. Pant, E. Klemm,
Effect of Solvent in Aprotic CO2 Reduction: A Study on the Role of CO2 Mass Transport in the Product Selectivity between Oxalate and Carbon Monoxide, 
J. Phys. Chem. C 2023, 127 (36), 18159-18166.
DOI: 10.1021/acs.jpcc.3c03992

Y. Rahmat, S. Maier, F. Moser, M. Raab, C. Hoffmann, J.-U. Repke, R.-U. Dietrich,
Techno-economic and exergy analysis of e-methanol production under fixed operating conditions in Germany.
Appl. Energy 2023, 351, 121738.
DOI: 10.1016/j.apenergy.2023.121738

F. Bienen, M. C. Paulisch, T. Mager, J. Osiewacz, M. Nazari, M. Osenberg, B. Ellendorff, T. Turek, U. Nieken, I. Manke, K. A. Friedrich,
Investigating the electrowetting of silver-based gas-diffusion electrodes during oxygen reduction reaction with electrochemical and optical methods,
Electrochem. Sci. Adv. 2023, 3 (1), e2100158.
DOI: 10.1002/elsa.202100158

S. Kaufmann , P. Rößner,  S. Renninger, M. Lambarth, M. Raab, J. Stein, V. Seithümmer and K. P. Birke, 

Techno-Economic Potential of Plasma-Based CO2 Splitting in Power-to-Liquid Plants, Processes, 2023,  13(8), 4839 

K. Wiegers, A. Schulz, M. Walker, G. Tovar,
Determination of the Conversion and Efficiency for CO2 in an Atmospheric Pressure Microwave Plasma Torch,
Chem. Ing. Tech. 2022, 94 (3), 299–308.
 DOI: 10.1002/cite.202100149

H. Liu, H. Wang, Q. Song, K. Küster, U. Starke, P. van Aken, E. Klemm, Assembling Metal Organic Layer Composites for High-Performance Electrocatalytic CO2 Reduction to Formate, Angew. Chem. Int. Ed. 2022, 61 (9), e202117058.  DOI: 10.1002/anie.202117058

Elias Klemm, Carlos M. S. Lobo, Armin Löwe, Verena Schallhart, Stephan Renninger, Lara Waltersmann, Rémi Costa, Andreas Schulz, Ralph-Uwe Dietrich, Lukas Möltner, Vera Meynen, Alexander Sauer, K. Andreas Friedrich, CHEMampere: Technologies for sustainable chemical production with renewable electricity and CO2, N2, O2, and H2O, The Canadian Journal of Chemical Engineering, 2022, 100, 10

M. Oßkopp, A. Löwe, C. Lobo, S. Baranyaib, T. Khoza, M. Auinger, E. Klemm, 
 Producing formic acid at low pH values by electrochemical CO2 reduction 
Journal of CO2 Utilization, 2022, 56, 101823

F. Bienen, J. Hildebrand, D. Kopljar, N. Wagner, E. Klemm and K.A. Friedrich,
Importance of Time-Dependent Wetting Behavior of Gas-Diffusion Electrodes for Reactivity Determination, 
Chem. Ing. Tech., 2021, 93, 1015-1019 

 F. Bienen, A. Löwe, J. Hildebrand, S. Hertle, D. Schonvogel, D. Kopljar, N. Wagner, E. Klemm and K.A. Friedrich,
Degradation study on tin- and bismuth-based gas-diffusion electrodes during electrochemical CO2 reduction in highly alkaline media,
Journal of Energy Chemistry, 2021, 62, 367-376.
DOI: 10.1016/j.jechem.2021.03.050

F. Buck, K. Wiegers, A. Schulz, T. Schiestel
Effect of plasma atmosphere on the oxygen transport of mixed ionic and electronic conducting hollow fiber membranes,
J. Ind. Eng. Chem. 2021, 104, 1–7.
DOI: 10.1016/j.jiec.2021.08.044

F. Bienen, D. Kopljar, S Geiger, N. Wagner and K.A. Friedrich, 
Investigation of CO2 electrolysis on tin foil by electrochemical impedance spectroscopy, 
ACS Sustainable Chem. Eng., 2020, 8, 5192–5199 

F. Bienen, D. Kopljar, A. Löwe, S. Geiger, N. Wagner, E. Klemm and K.A. Friedrich, 
Revealing microscopic processes in gas-diffusion electrodes during CO2 reduction via Impedance Spectroscopy, 
ACS Sustainable Chemistry & Engineering, 2020, 8, 13759-13768 

S. Steiert, S. Ficht, D. Heger, A. Brinner, M.-S. Löffler,

Technisches Monitoring und Analyse einer industriellen Power‐to‐Gas‐Anlage zur Erzeugung von strombasiertem Wasserstoff 
 Chemie-Ingenieur-Technik, 2020, 92(9), 1129-1376

U. Zuberbühler, S. Thaler, F. Baumgart, B. Feigl, B. Stürmer,

Entwicklung eines hocheffizienten Verfahrens zur CO2-Bereitstellung aus Luft als Basis für die Erzeugung regenerativer Rohstoffe,

Projekt-Schlussbericht CORAL - CO2-Rohstoff aus Luft, 2020

D.M. Amaya Dueñas, M.Riedel, M. Riegraf, R. Costa, K. A. Friedrich, 
High temperature co-electrolysis for Power-to-X, 
Chem. Ing. Tech. 2020, 92, 45 

P. Kunz, M. Paulisch, M. Osenberg, B. Bischof, I. Manke, U. Nieken, 
Prediction of Electrolyte Distribution in Technical Gas Diffusion Electrodes: From Imaging to SPH Simulations, 
Transport in Porous Media 2020, 132, 381 

F. Razmjooei, T. Liu, D. Aguiara, E. Hadjixenophontos, R. Reissner, G. Schiller, A. Ansar, K. A. Friedrich,
Improving plasma sprayed Raney-type nickel–molybdenum electrodes towards high-performance hydrogen evolution in alkaline medium,
Sci. Rep., 2020, 10, 10948 

G. Chen, F. Buck, I. Kistner, M. Widenmeyer, T. Schiestel, A. Schulz, M. Walker, A. Weidenkaff, 
A novel plasma-assisted hollow fiber membrane concept for efficiently separating oxygen from CO in a CO2 plasma, 
Chemical Engineering Journal 2020, 392, 123699 

F. Bienen, D. Kopljar, A. Löwe, P. Aßmann, M. Stoll, P. Rößner, N. Wagner, K.A. Friedrich and E. Klemm
 Utilizing Formate as an Energy Carrier by Coupling CO2 Electrolysis with Fuel Cell Devices
Chem. Ing. Tech., 2019, 91, 872-882 

F. Bienen, D. Kopljar, P. Aßmann, M. Stoll, P. Rößner, N. Wagner, A. Friedrich, E. Klemm, 
Utilizing formate as an energy carrier by coupling CO2 Electrolysis with fuel cell devices, 
Chem. Ing. Tech. 2019, 91, 872 

 A. Löwe, C. Rieg, T. Hierlemann, N. Salas, D. Kopljar, N. Wagner, E. Klemm,

The Influence of Temperature on the Performance of Gas Diffusion Electrodes in CO2 Reduction Reaction, 
ChemElectroChem 2019, 6, 4497 

L. Wang, T. Weissbach, R. Reissner, A. Ansar, A. Gago, S. Holdcroft, A. Friedrich, High Performance Anion Exchange Membrane Electrolysis Using Plasma-Sprayed, Non-Precious-Metal Electrodes, 
ACS Appl. Energy Mater. 2019, 2, 7903 

F. Buck, I. Kistner, C. Rösler, A. Schulz, M. Walker, G. Tovar, T. Schiestel, 
 Einsatz von perowskitischen Hohlfasermembranen in einem Mikrowellenplasma, Chem. Ing. Tech. 2019, 91, 1 

J. Matthies, M. Hopp-Hirschler, S. Uebele, T. Schiestel, M. Osenberg, I. Manke, U. Nieken, 
Up-Scaling Transport in Porous Polymer Membranes Using Asymptotic Homogenization, 
 International Journal of Numerical Methods for Heat & Fluid Flow 2019, 30, 266 

S. Estelmann, R.-U. Dietrich, A. Seitz u.a., Flexibilitätsoptionen in der Grundstoffindustrie Methodik | Potenziale | Hemmnisse. 2018 ISBN 978 3 89746 206 9.

D. Kopljar, N. Wagner, E. Klemm,
Transferring electrochemical reduction of CO2 from semi-batch into continuous mode of operation using gas diffusion electrodes, 
Chem. Eng. Technol. 2016, 39, 2042 

D. Kopljar, A. Inan, P. Vindayer, R. Scholz, N. Frangos, N. Wagner, E. Klemm,

Entwicklung und Einsatz von Gasdiffusionselektroden zur elektrochemischen Reduktion von CO2, 
Chem. Ing. Tech. 2015, 87, 855 

D. Kopljar, A. Inan, P. Vindayer, N. Wagner, E. Klemm,
Electrochemical reduction of CO2 to formate at high current density using gas diffusion electrodes, 
 J. Appl. Electrochem. 2014, 44, 1107

M. Leins, M. Walker, A. Schulz, U. Schumacher, U. Stroth, 
Spectroscopic investigation of a microwave-generated atmospheric pressure plasma torch, 
Contrib. Plasma Phys. 2012, 52, 615 

Indirectly related publications

N.J. Claassens, C.A.R. Cotton, D. Kopljar, A. Bar-Even,
Making quantitative sense of electromicrobial production,
Nature Catalysis 2019, 2, 437 

R.-U. Dietrich, F.G. Albrecht, T. Pregger,
Erzeugung alternativer flüssiger Kraftstoffe im zukünftigen Energiesystem,
Chemie Ingenieur Technik 2018, 90, 179 

R.-U. Dietrich, F.G. Albrecht, S. Maier, D.H. König, S. Estelmann, S. Adelung, Z. Bealu, A. Seitz, 

Cost calculations for three different approaches of biofuel production using biomass, electricity and CO2
Biomass & Bioenergy 2018 p.165 

S.-F. Hsu, S. Rommel, P. Eversfield, K. Muller, E. Klemm, W. R. Thiel und B. Plietker,
Eine auf Ru-Katalyse basierende wiederaufladbare Wasserstoffbatterie,
Angew. Chem. 2014, 126, 1