Special Issue on ‘Laser Materials Processing facing Future Energy Storage Device – from Material-Level to Application’
Guest Editor: Priv.-Doz. Dr. Wilhelm Pfleging Team Leader Karlsruhe Institute of Technology, Germany Email: pfleging@kit.edu |
Introduction
Research and development of advanced energy storage materials with corresponding system architectures is currently experiencing an enormous boost worldwide. This is largely supported by the global challenges arising from the increasing electromobility and energy storage of regenerative energies. Numerous academic and industrial research groups deal with the further development of battery systems of different degrees of maturity based on lithium-ion batteries, supercapacitors, redox flow batteries, fuel cells, sulfur batteries, post-lithium approaches and solid-state batteries as well as a wide variety of hybrid systems. The aim of the developments is to achieve cost-efficient, long-lasting, compact, and environmentally friendly energy storage devices that are tailored to the respective application scenarios. For example, for electromobility, the energy storage devices should have both high gravimetric and volumetric energy and power densities, and enable short charging times. The related developments currently take place at different stages and Technology Readiness Level (TRL) starting from the material development up to the final system architecture.
In order to significantly improve the performance of the energy storage systems or to make production technologies overall more efficient, new and modern manufacturing technologies are moving into the focus of researchers and industry. This applies to a large extent to laser material processing in the field of battery production. The use of lasers has a high potential in the most varied of production stages in battery production, for example in structuring the current collector, coating (e.g., printing) and drying the electrodes, electrode structuring, material modification and cutting of electrodes as well as welding of battery tabs and busbars. For example, new electrode concepts that enable an increase in energy density, such as the use of electrodes with high mass loading, can only be operated at higher current rates by improving the diffusion kinetics, i.e., by introducing 3D electrodes via laser structuring. Sophisticated materials analytics, physical-chemical modeling, simulation and respective evaluation approaches become increasingly important for achieving optimized electrode architectures adapted to the respective field of application. The development of potential operational areas of laser materials processing in the energy storage production are by no means exhausted and mostly needs further efforts to push the technical maturity beyond TRL 6. In addition to the respective proof of concept in the laboratory and continuing adaptation to new energy storage approaches, robust and reliable concepts for upscaling the process technologies must be developed.
Possible topics, within this scope, include but are not limited to:
3D Battery Concept
Thick Film Battery Concept
High Energy Materials (Silicon Anodes, Silicon/Graphite Composites, High Voltage Materials, Nickel-Rich Cathode
Materials, Cobalt-Free Cathode Materials)
Thin Film Batteries and Micro-Batteries
Supercapacitors
All-Solid State Batteries
Hybrid Battery / Supercapacitor Energy Storage Systems
3D Printed Batteries (Screen Printing, Laser Additive Manufacturing, LIFT, FDM, SLA, IJP, DIW,…)
Modeling and Simulation of Batteries (Equivalent Circuit Model, Physico-Chemical Model, 1D, p2D, p3D, FEM,
Multi-Physics Model,…)
Electrochemical and Materials Analytics for Evaluation of Advanced Battery Concepts (HPPC, EIS, NFRA, LIBS,
EDX, TEM,…)
Laser Materials Processing (Drying, Welding, Cutting, Drilling, Structuring, Modification,…) of Electrodes,
Separators, and Current Collectors
Upscaling of Laser Processes in Production (Optical Concepts, Scanner Concepts, Multi-Beam Processing,
GHz Laser, UKP Laser, Thermal Laser Processing, Roll-to-Roll-Processing, Hybrid Processing,…)
Important dates
Please submit your papers in light of following important dates for the special issue:
Submission deadline: 30 November 2022
First round of reviews: 31 December 2022
Final submission and decision: 31 January 2023
Publication: March-May 2023
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