- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Nanofabrication and Lithography Techniques
- Nanomaterials and Printing Technologies
- Transition Metal Oxide Nanomaterials
- ZnO doping and properties
- Force Microscopy Techniques and Applications
- Chalcogenide Semiconductor Thin Films
- Advancements in Photolithography Techniques
- Supercapacitor Materials and Fabrication
- Thermal Expansion and Ionic Conductivity
- Quantum Dots Synthesis And Properties
- Advanced battery technologies research
- Aerogels and thermal insulation
- Molecular Junctions and Nanostructures
- Gas Sensing Nanomaterials and Sensors
- Zeolite Catalysis and Synthesis
- Advanced Semiconductor Detectors and Materials
- Advanced ceramic materials synthesis
- Recycling and Waste Management Techniques
- Polymer Foaming and Composites
- Metal and Thin Film Mechanics
- Copper-based nanomaterials and applications
- Dielectric materials and actuators
Fraunhofer Institute for Material and Beam Technology
2016-2025
Fraunhofer Society
2014
Technische Universität Dresden
2010-2013
Abstract All‐solid‐state batteries (SSB) show great promise for the advancement of high‐energy batteries. To maximize energy density, a key research interest lies in development ultrathin and highly conductive solid electrolyte (SE) layers. In this work, thin flexible sulfide membranes are fabricated laminated onto non‐woven fabric using scalable solvent‐free, continuous roll‐to‐roll process (DRYtraec). These significantly improved tensile strength compared to unsupported sheets, which...
Achieving commercial viability for more sustainable sodium‐ion batteries (SIB) necessitates reducing the environmental impact of production, particularly originating from electrode drying and use toxic solvents like N‐methyl‐2‐pyrrolidone (NMP). This study presents dry‐processing P2‐type Na0.75Ni0.25Fe0.25Mn0.50O2 (NFM) via DRYtraec® process, aiming to lower binder content 1 wt.% polytetrafluoroethylene (PTFE) eliminating need NMP recovery. Assessments morphology active material...
Soft lithographic methods describe a set of printing which are widely used for the preparation structured surfaces.
Lithium metal anodes are among the most promising candidates for further increasing energy density of lithium ion batteries and all-solid-state batteries. A reduction anode thickness by using ultrathin films is a crucial requirement to achieve significant overall on cell level. However, besides stabilization, realizing scalable technologies an efficient production thin one challenging obstacles success various next-generation battery chemistries. In this publication we introduce disruptive...
In the market for next-generation energy storage, lithium-sulfur (Li-S) technology is one of most promising candidates due to its high theoretical specific and cost-efficient ubiquitous active materials. this study, cell system was combined with a sustainable solvent-free electrode dry-coating process (DRYtraec®). So far, has been only feasible polytetrafluoroethylene (PTFE)-based binders. To increase sustainability processing decrease undesired fluorine content Li-S batteries, renewable,...
Abstract Lithium–sulfur batteries with liquid electrolytes are discussed as the most promising post‐lithium‐ion‐battery technology in literature due to their high theoretical specific energy and first prototype cells delivering >470 Wh kg −1 . Although several electrolyte material concepts developed that partially solve issue of so‐called shuttle mechanism, concept genuinely confine sulfur species cathode is all‐solid‐state argyrodite–sulfur cathodes leading almost active utilization by...
Abstract The increasing demand for clean and efficient energy storage makes the environmentally friendly cost‐effective production of lithium‐ion batteries a focal point in current battery research development. Dry electrode (DBE) coatings play crucial role future schemes as this technique does not require use toxic solvents energy‐intensive drying steps. This review article focuses on most advanced DBE method today, based fibrillated polytetrafluoroethylene (PTFE) binder. PTFE‐based are...
Dry coating of battery electrodes is a promising technology for reducing the environmental footprint and cost lithium-ion cell manufacturing. However, achieving homogeneous electrode microstructure without solvent key challenge. Here, we demonstrate potential twin-screw extrusion as solvent-free continuous dry mixing method enabling precise PTFE fibrillation carbon black dispersion during NMC622 production. Through in-depth microstructural characterization, reveal strong correlation between...
The preparation of mechanically flexible and optically transparent electronic circuits plays a key role in the development next-generation display technologies. Silver nano-gratings are particular interest due to their excellent conductivity adjustable transmittance. Printed on polymeric substrates they suitable for an application opto-electronic devices. Here, we present smart silver precursor system combining both ability cheap scalable nanoimprint patterning simple thermal reduction....
The synthesis of cadmium stannate (Cd2SnO4 CTO) nanoparticle powders and the deposition patterning thin Cd2SnO4 films were achieved via a polymeric precursor approach. Conditions for phase formation cubic spinel evaluated, first time system was obtained in single powder form from system. Thin prepared by spin coating solution followed thermal treatment. Highly transparent 20 nm thick with minimum sheet resistance 110 Ohm prepared. A imprint process PDMS molds used sub-micrometre range....
Hyperspectral inspection using imaging systems is becoming more and important for quality control tasks in several industries, replacing well trained operators or established machine vision based on RGB-systems. (HSI) thin coated substrates challenging due to the high reflectivity of substrates. Nevertheless, films contribute spectral data can be evaluated. Therefore, performance increased significantly. However, large amount generated by HSI has processed evaluated information about...
To increase the energy density of today's lithium batteries, it is necessary to develop an anode with higher than graphite or carbon/silicon composites. Hence, research on metallic has gained a steadily increasing momentum. However, severe safety issues and poor Coulombic efficiency this highly reactive metal hinder its practical application in lithium-metal batteries (LMBs). Herein, development artificial interphase reported enhance reversibility stripping/plating process suppress parasitic...
The lithium–sulfur battery is a promising electrochemical storage solution, especially for aviation and aeronautical applications, due to its high‐gravimetric energy density (specific energy) the abundance of sulfur. In recent years, number reported prototype cells their realized have increased. This underlines progress technology readiness system. However, influence cathode porosity as well carbon material on performance still not fully understood. Consequently, in this study, solvent‐free...
As a concept for electrode architecture in high power lithium ion batteries, self-supported nanoarrays enable ultra-high densities as result of their open pore geometry, which results short and direct Li+-ion electron pathways. Vertically aligned carbon nanotubes (VACNT) on metallic current collectors with low interface resistance are used the chemical solution infiltration electroactive oxides to produce vertically decorated situ grown LiMn2O4 (LMO) Li4Ti5O12 (LTO) nanoparticles. The...
The user demands lithium-ion batteries in mobile applications, and electric vehicles request steady improvement terms of capacity cycle life. This study shows one way to compensate for losses due SEI formation during the first cycles. A fast simple approach electrolyte-free direct-contact pre-lithiation leads targeted degrees graphite electrodes. It uses tailor-made lithium thin films with 1–5 µm produced by melt deposition as a source. These pre-lithiated electrodes show 6.5% increase after...
The development of environmentally friendly processing techniques is a key requisite for future sustainable battery development. so-called DRYtraec® process solvent-free developed as viable approach to replace slurry-based binders by fibrous polymers and produce laminated electrodes with low carbon footprint. It has been demonstrated work both, liquid solid electrolyte batteries. NMC cathodes can be produced in wide range loading. For lithium sulfur batteries carbon/sulfur composites...
Abstract A new, easily obtainable silver–pyrrolidone complex that is suitable for printing applications was synthesized by the reaction of silver nitrate and 2‐pyrrolidone (Pyl) at room temperature. According to single‐crystal X‐ray crystallographic studies, product [Ag(Pyl) 2 ]NO 3 crystallizes in monoclinic space group C 2/ c (no. 15) [ a = 5.358(1) Å, b 15.217(3) 14.986(3) β 99.296(6)°]. Highly concentrated solutions can be obtained an ethanol/water mixture, thereby allowing manufacture...