Fraunhofer Institute for Ceramic Technologies and Systems IKTS
Fraunhofer Institute for Ceramic Technologies and Systems IKTS

Events

SBS6 conference program

September 3, 2025

Session: plenary
Session chair: Mihails Kusnezoff
08:30
 From lithium to sodium – metal anodes on solid electrolytes
Jürgen Janek, Justus Liebig University Giessen, Germany
08:55 cerenergy® - A new generation of salt batteries for grid scale energy storage
Matthias Schulz, Fraunhofer IKTS
09:15 The challenges and methodology to scale-up sodium metal cloride battery production line
Zhenjiang Yu, AMPower, China
09:35 Na-based all-solid-state batteries – advanced processing strategies
Martin Finsterbusch, Forschungszentrum Jülich GmbH, Germany
09:55 From system requirements to material development: progress and remaining challenges of sodium-ion batteries from an automotive OEM perspective
Jonas Sprengelmeyer and Jakob Baumbach, Volkswagen AG, Germany
10:15 Cathode materials for sodium ion batteries via thermal processes: from lab scale to industrial production
Karl Wegner, IBU-tec advanced materials AG, Germany
10:35 Coffee break in poster exhibition
Session: Liquid electrolyte Na-ion batteries
Session chair: Philipp Adelhelm
11:00 Advancing high-performance, cost-effective hard carbon to meet global Na-ion battery demand
Hui Dong, Ingevity Corporation, USA
11:20
 Investigation of surface-modified hard-carbon materials for enhanced performance in sodium ion battery full-cells utilizing atmospheric pressure chemical vapor deposition
Johannes Kühn, Technical University Dresden, Germany
11:40 Constructing core-shell morphologies to discover the limits of sodium storage in carbon anodes
Shu-Han Wu, Bundesanstalt für Materialforschung und -prüfung, Germany
12:00 Silicon oxycarbide composites SiOC/X (X = S, P, Sn and Sb) as promising anode materials for sodium-ion batteries
Ge Chen, TU Berlin, Germany
12:20 Carbon/Titanium-based composite materials as negative electrodes for sodium-ion batteries
Yassin Zoizou, CEA-Liten Grenoble, France
12:40 Highly reversible anode for LIB and NIB based on oxidized Sn-doped MAX phases
Gabriele Brugnetti, Ricerca sul Sistema Energetico, Italy
13:00 Lunch break in poster exhibition
Session: Liquid electrolyte Na-ion batteries
Session chair: Jürgen Janek
14:00 Dry electrode processing of electrodes and recent advancements in multi-layer pouch cell development for sodium ion batteries
Tom Boenke, Fraunhofer Institute for Materials and Beam Technology, Germany
14:20 Effect of transition metal substitution in layered iron chalcogenides on the reversibility of intercalation processes of Na-Lewis base solvates
Tomasz Chabło, Warsaw University of Technology, Poland
14:40 Humidity sensitivity and redrying recovery of commercial sodium-ion cathode material NaNi₁/₃Fe₁/₃Mn₁/₃O₂
Dominik Stepien, Humboldt-Universität zu Berlin, Germany
15:00 Potassium substitution in layered Na-oxide cathodes for enhanced electrochemical performance
Daria Mikhailova, Leibniz Institute for Solid State and Materials Research (IFW Dresden), Germany
15:20 Links between electrode properties and cell performance in commercial sodium-ion batteries
Luise Sander, Bundesanstalt für Materialforschung und -prüfung, Germany
15:40 Coffee break in poster exhibition
Session: High-Temperature Sodium batteries
Session chair: Matthias Schulz
16:30 A novel metal-supported solid state electrolyte for next generation sodium metal chloride batteries
Decio Lima, LiNa Energy, United Kingdom
16:50 Tailored electrode architectures for enhanced specific energy and cycling stability in high areal capacity sodium-zinc chloride batteries
Meike Heinz, Swiss Federal Laboratories of Materials Science and Technology, Switzerland
17:10 Microstructural and compositional analysis of Ni–Cl₂/NaAlCl₄ cathodes in Na-ion batteries
Berik Uzakbaiuly, Fraunhofer IKTS, Germany
17:30 Corrosion of Cu, Ni, Mo, stainless steel and Zn in NaAlCl4 and ZnCl2
Norbert Weber, Helmholtz-Zentrum Dresden–Rossendorf, Germany
18:00 Conference banquet

September 4, 2025

Session: Sodium Solid State Electrolytes
Session chair: Martin Finsterbusch
08:30
 Tailoring grain-boundaries in nasicons to achieve superior ionic conductivity ans dendrite tolerance
Qianli Ma, Forschungszentrum Jülich GmbH Institute of Energy Materials and Devices, Germany
08:50 Research on technologies to enhance the electrochemical properties of sodium-ion conductive NASICON electrolytes and improve the efficiency of the manufacturing process.
Jinyoung Chun, Korea Institute of Ceramic Engineering & Technology, Korea
09:10 The importance of the isovalent substitution for the study of Al-doping in NaSICONs
Gianmarco Taveri, Centre for advance materials and applications, Slovakia
09:30 Na-ion conducting silicates via the glass route for sodium solid-state batteries
Niko Schultz, Schott AG, Germany
09:50 Current research on the most applied solid electrolyte: Na-beta"-alumina
Cornelius Dirksen, Fraunhofer IKTS, Germany
10:10 Synthesis and testing of beta aluminate sodium electrolyte (BASE) for sodium ion battery development
Björn Mieller, Bundesanstalt für Materialforschung und -prüfung, Germany
10:30 Coffee break in poster exhibition
Session: Manufacturing of Sodium Solid State Batteries
Session chair: Meike Heinz
11:00 Manufacture of Na-ion solid-state electrolytes for batteries
Celina Vania Domingos-Dlofo, Swansea University, United Kingdom
11:20
 Thin electrolyte layer of NASICON obtained by tape casting followed by spark plasma sintering for sodium all-solid-state battery
Sebastian Charrier, Université de Picardie Jules Verne, France
11:40 Aliovalent doping and flash sintering of NASICON-type Na₃Zr₂(SiO₄)₂(PO₄) for enhanced ionic conductivity
Lilian M. Jesus, Federal University of São Carlos, Brazil
12:00 Innovative cold sintering process of NaSICON composite solid electrolytes for sustainable solid-state sodium batteries
Sergio Ferrer-Nicomedes, Universitat Jaume I, Spain
12:20 Rapid screening of cathode materials through in-situ cathode fabrication in solid-state battery design
Yiming Guo, Forschungszentrum Jülich GmbH IMD-2, Germany
12:40 Crosslinked polymer in NASICON porous ceramics: novel hybrid electrolytes for sodium solid-state batteries
Alejandro Varez, Universidad Carlos III de Madrid, Spain
13:00 Investigation of the sintering and decomposition behavior of the NaSICON solid-electrolyte Na3.4Zr2.0Si2.4P0.6O12.0
Clemens Hausner, Karlsruhe Institute of Technology, Germany 
13:20 Best poster award ceremony
13:30 Lunch break in poster exhibition
   
Session: In-depth characterization and simulation
Session chair: Cornelius Dirksen
14:15 In-depth thermal analysis and thermal runaway modeling of sodium-ion batteries
Florian Graurock, IAV GmbH, Germany
14:40 Understanding the dynamics of a thermal runaway event in sodium-ion battery cells via high-speed X-ray radiography
Nils Böttcher, Federal Institute for Materials Research and Testing, Germany
15:00 Identifying degradation mechanisms from electrical stress and cyclic ageing in commercial sodium-ion cells
Philippa Scharpman, Bundesanstalt für Materialforschung und -prüfung, Germany
15:20 Operando NMR and complementary techniques for investigating sodium-ion battery materials: insights into sodiation, co-intercalation, and gas evolution
Annica Freytag, Humboldt Universität zu Berlin, Germany
15:40 Characterization of overdischarged-related long-term degradation in commercial sodium-ion cells
Robert Leonhardt, Bundesanstalt für Materialforschung und -prüfung, Germany
16:00 Coffee break in poster exhibition
Session: Sodium metal electrodes
Session chair: Mihails Kusnezoff
16:30 Sodium metal deposition as a main aging mechanism in commercially available 18650-type sodium-ion battery cells
Katharina Bischof, Zentrum für Sonnenenergie- und Wasserstoff-Forschung, Germany
16:50 Sodium ion battery with thin NASICON ceramic separator and Na metal anode
Katja Wätzig, Fraunhofer IKTS, Germany
17:10 Paste-like alkali-metal anodes in contact with solid electrolytes
Gustav Graeber, HU Berlin, Germany
17:30 Perspectives and challenges of sodium metal electrodes in ceramic sodium solid-state batteries
Ansgar Lowack, Fraunhofer IKTS / TU Dresden, Germany
17:50 Closing Remarks
   

Poster exhibition

The poster exhibition is open during the coffee and lunch breaks. We would like to ask all poster presenters to stay close to their posters during the breaks. But it is not necessary to stay at the poster the whole time.

Appel Paul Bundesanstalt für Materialforschung und -prüfung (BAM), Germany Exploring the porosity-storage capacity relationship using core–shell carbon anodes for sodium-ion batteries
Arnaiz Maria CIC energiGUNE, Spain Electrode hybridization and sodium compensation strategies for high-power sodium-ion systems
Baller Johannes Humboldt-Universität zu Berlin, Germany Revealing wetting interactions between porous carbon hosts and alkali metals via X-ray computed tomography towards compact liquid alkali-metal battery anodes 
Bäthge Jonathan E-Lyte Innovations GmbH Mitigating challenges of layered oxide sodium-ion pouch cells: novel electrolyte additive for suppressing sodium plating and prolonging cycle life at high cut-off voltages
Bouchet Thibaut INP Grenoble, France Analysis of the ionic transport properties of liquid based electrolyte within battery separator
Buchheim Johannes Glatt Ingenieurtechnik GmbH, Germany Spray pyrolysis for tailored cathode and anode materials in sodium-ion batteries: from layered oxides to sodium titanates
Cornelio Andrea Bundesanstalt für Materialforschung und -prüfung (BAM), Germany NASICON electrolytes for room-temperature sodium-sulfur batteries with NaK alloy negative electrode interface
Cortese Elena Institute of Physical Chemistry and Center for Materials Research (ZfM), Justus-Liebig-University Giessen, Germany Insights into the electrochemical degradation at the cathode-electrolyte interphase in sodium-ion batteries
Drevander Isak Chalmers University of Technology, Sweden Exploring the sodiation mechanism in hard carbon using SAXS/WAXS
Eisele Lea Fraunhofer Institute for Solar Energy Systems (ISE), Germany Processing of active material for thick electrodes in sodium-ion batteries for stationary applications
Gobbo de Castro Munhoz Manuella Imperial College London, University of Sao Paulo, United Kingdom Design strategies for long-life tin anodes in sodium-ion batteries
Graf Roland University Würzburg, Germany Electrolytes based on alternative phosphate anions for sodium-ion batteries
Herrmann Adrian RWTH Aachen University, Germany Safety evaluation of layered -oxide sodium-ion batteries 
Kasten Kriss-Kevin Institute for Particle Technology, Germany Drop-in ability and comparison of various sodium-ion battery active materials
Kolan Rajkumar Reddy Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Germany A novel method to reveal internal structures of Na-NiCl2 solid state batteries via X-ray microscopy segmentation with local augment
Lee Younki Department of Materials Engineering and Convergence Technology, Gyeongsang National University, Jinju, Republic of Korea A sodiophilic layer-based on air-fired functionalized carbon black for solid electrolytes in low-temperature molten sodium batteries
Lu Yiyue Institute for Technical and Environmental Chemistry, Friedrich-Schiller University Jena, Germany High-Performance Dual-Salt Electrolytes for Advanced Sodium-Ion Batteries: sodium bis(fluorosulfonyl)imide and sodium difluoro(oxalato)borate in  propylene carbonate or Bio-Derived γ-Valerolactone
Maschke Moritz Fraunhofer Institute for Ceramic Technologies and Systems (IKTS), Germany In situ CT characterization of high temperature sodium metal halide batteries under operation condition
Mieller Björn Bundesanstalt für Materialforschung und -prüfung (BAM), Germany Characterization of beta-alumina solid electrolyte by coin cell testing
Mirmasoomi Seyedrashid Friedrich Schiller University Jena, Institute for Technical Chemistry and Environmental Chemistry, Jena, Germany Optimizing kraft lignin-derived hard carbons as negative electrode in sodium-ion batteries via different synthetic approaches
Moyseowicz Adam Department of Process Engineering and Technology of Polymer and Carbon Materials, Faculty of Chemistry, Wroclaw University of Science and Technology, Poland Exploring synthesis protocols for sustainable nitrogen-doped hard carbons from chitin as stable anode materials for sodium-ion batteries
Nash William Helmholtz-Zentrum Dresden-Rossendorf, Germany All-liquid Na-Zn electrochemical cells: aspects of negative electrode-current collector design
Peng Jian Institute for Technical and Environmental Chemistry, Friedrich-Schiller University Jena, Germany Effect of metallic ash elements on microstructure and electrochemical performance of lignin-derived hard carbon for sodium-ion batteries
Quade Katharina Lilith RWTH Aachen, Institute for Power Electronics and Electrical Drives, Germany Aging analysis of 81 commercial NaMO₂/hard carbon sodium-ion batteries after 5000 full equivalent cycles
Reich Marie-Louis Imperial College London, United Kingdom Doping hard carbon anodes in sustainable sodium-ion batteries
Richter Maria Fraunhofer IKTS, Germany From cell to system: prototyping a 60 kWh sodium battery for stationary applications
Sarma Martins Helmholtz-Zentrum Dresden–Rossendorf, Germany Na-Zn liquid metal batteries: a viable solution for large-scale energy storage?
Schnaubelt Felix Institute of Physical Chemistry and Center for Materials Research, Justus Liebig University Giessen, Germany Influence of Na₂S purity on the synthesis of Na₃₋ₓP₁₋ₓWₓS₄ electrolytes: reaching 25 mS/cm
Schütte Moritz ISEA RWTH Aachen University, Germany Formation and ageing of sodium-ion pouch cells with different electrolyte solvents
Sharma Shivam Imperial College London, United Kingdom Understanding the solid electrolyte interphase in hard carbon anodes for sodium-ion batteries
Siebert Christian RWTH Aachen, Institute for Power Electronics and Electrical Drives, Germany Performance testing of theleading commercial sodium-ion battery: insights and implications
Sozak Mutlucan Department of Functional Materials & Bavarian Center for Battery Technology (BayBatt), University of Bayreuth, Germany Electrochemical properties of powder aerosol co-deposited NaCrO2/C binder-free composite cathodes for sodium-ion batteries
Späth Benedikt RWTH Aachen University, Germany Shortened time-to-market through early simulation 
Sprengelmeyer Jonas Volkswagen AG, Germany Towards Cost-Effective, High-Performance, and Sustainable Sodium-Ion Batteries: A Multidimensional Optimization Approach
Stanzione Maximillian University of St Andrews, Scotland The application of the pair distribution function (PDF) to organic electrode materials
Wagner Daniel University Giessen, Germany Chemomechanical behavior and tortuosity effects in P2-NaFeMnO₂ cathodes for solid-state sodium batteries
Welch Jonas Uppsala University, Sweden A non-flammable carbonate electrolyte using triethyl phosphate as co-solvent
Wu Shu-Han Bundesanstalt für Materialforschung und -Prüfung (BAM), Germany Unveiling the role of nitrogen functionalities in sodium storage mechanism of carbon electrodes
Xue Bingchen Fraunhofer Institute for Ceramic Technologies and Systems (IKTS), Germany Na-β"-alumina as solid electrolyte under pressure - a step towards an all-solid-state-battery
Zhu  Yongmin  AROHORA Technology Co. Ltd.  The breakthrough of sodium salt batteries from Arohora 
Zitoun David Bar Ilan University, Israel Highly active nanostructured nickel-sulfide electrocatalysts for aqueous polysulfide/bromine redox flow battery