Search Results - "Knoblauch, Volker"

A comparison of IR- and UV-laser pretreatment to increase the bonding strength of adhesively joined aluminum/CFRP components by Reitz, Valentina, Meinhard, Dieter, Ruck, Simon, Riegel, Harald, Knoblauch, Volker

“…In this work different CFRP laminates (called “A” and “B”) were pre-treated using IR- and UV-laser prior to adhesive bonding. The achieved surface conditions…”
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A comparative study on tool wear and laminate damage in drilling of carbon-fiber reinforced polymers (CFRP) by Gaugel, Simon, Sripathy, Prithvi, Haeger, Andreas, Meinhard, Dieter, Bernthaler, Timo, Lissek, Fabian, Kaufeld, Michael, Knoblauch, Volker, Schneider, Gerhard

“…Preliminary to successful assembling, drilling of composites like carbon-fiber reinforced polymers (CFRP) is an important but difficult process. The…”
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Heavy-Duty Use and Charging of Power Tool Battery Packs: A Simulation-Based Study to Improve Cooling Strategies by Königer, Veit, Knoblauch, Volker

“…In the fast-growing but also highly competitive market of battery-powered power tools, cell-pack-cooling systems are of high importance, as they guarantee…”
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Acoustic emission for interlaminar toughness testing of CFRP: Evaluation of the crack growth due to burst analysis by Lissek, Fabian, Haeger, Andreas, Knoblauch, Volker, Hloch, Sergej, Pude, Frank, Kaufeld, Michael

“…The paper deals with interlaminar fracture toughness testing of three different types of specimens from unidirectional aerospace laminate M21/T800S (autoclaved…”
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Enhancement of the wettability of graphite-based lithium-ion battery anodes by selective laser surface modification using low energy nanosecond pulses by Kleefoot, Max-Jonathan, Enderle, Sebastian, Sandherr, Jens, Bolsinger, Marius, Maischik, Thomas, Simon, Nadine, Martan, Jiří, Ruck, Simon, Knoblauch, Volker, Riegel, Harald

“…The electrolyte filling process of battery cells is one of the time-critical bottlenecks in cell production. Wetting is of particular importance here, since…”
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Percolation Behavior of a Sulfide Electrolyte–Carbon Additive Matrix for Composite Cathodes in All-Solid-State Batteries by Reisacher, Elias, Kaya, Pinar, Knoblauch, Volker

“…To achieve high energy densities with sufficient cycling performance in all-solid-state batteries, the fraction of active material has to be maximized while…”
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Ultra-Thick Cathodes for High-Energy Lithium-Ion Batteries Based on Aluminium Foams—Microstructural Evolution during Densification and Its Impact on the Electrochemical Properties by Oehm, Jonas, Kamlah, Marc, Knoblauch, Volker

“…Using three-dimensional (3D) metal foams as current collectors is considered to be a promising approach to improve the areal specific capacity and meet the…”
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Swift Prediction of Battery Performance: Applying Machine Learning Models on Microstructural Electrode Images for Lithium-Ion Batteries by Deeg, Patrick, Weisenberger, Christian, Oehm, Jonas, Schmidt, Denny, Csiszar, Orsolya, Knoblauch, Volker

“…In this study, we investigate the use of artificial neural networks as a potentially efficient method to determine the rate capability of electrodes for…”
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Interplay between microstructural properties with ionic/electronic conductivity in Na3PS4-based composite cathodes for Na-SSBs by Ucuncuoglu, Rana, Silvano, Leticia Trezecik, Schubert, Tim, Knoblauch, Volker, Kaya, Pinar

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Ca2V2O7 as an Anode‐Active Material for Lithium‐Ion Batteries: Effect of Conductive Additive and Mass Loading on Electrochemical Performance by Silvano, Leticia Trezecik, Sandherr, Jens, Valadares Folgueras, Marilena, Ferreira de Souza, Eder Carlos, Kaya, Pinar, Knoblauch, Volker

“…Lithium‐ion batteries (LIBs) play a crucial role in using renewable sources. Vanadates have been applied as anode material due to the combined diffusion…”
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On the evolution of the linear material properties of PZT during loading history—an experimental study by Selten, Martin, Schneider, Gerold A., Knoblauch, Volker, McMeeking, Robert M.

“…Ferroelectrics exhibit material behavior which is strongly affected by its loading history. Among other phenomena, the coefficients describing the linear…”
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Drilling induced defects on carbon fiber-reinforced thermoplastic polyamide and their effect on mechanical properties by Meinhard, Dieter, Haeger, Andreas, Knoblauch, Volker

“…In this study, a carbon fiber-reinforced thermoplastic (CFRTP) laminate has been drilled and the drill-hole quality was evaluated. Drill-holes were introduced…”
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Revealing the effects of microstructural changes of graphite anodes during cycling on their lithium intercalation kinetics utilizing operando XRD by Weisenberger, Christian, Harrison, David K., Zhou, Chengke, Knoblauch, Volker

“…•Utilizing operando XRD to study lithium intercalation into pristine and cycled graphite electrodes•Revealing the effect of pore clogging caused by cyclic…”
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Highly densified NCM-cathodes for high energy Li-ion batteries: Microstructural evolution during densification and its influence on the performance of the electrodes by Schmidt, Denny, Kamlah, Marc, Knoblauch, Volker

“…•Performance of highly densified NCM-cathodes for high energy Li-ion batteries.•Evolution of NCM microstructure during densification between ca. 50%…”
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Effect of drilling-induced damage on the open hole flexural fatigue of carbon/epoxy composites by Haeger, Andreas, Grudenik, Manuel, Hoffmann, Michael J., Knoblauch, Volker

“…Conventional drilling is the most common machining process done on carbon fibre reinforced polymers (CFRP). However, the effect of machining-induced damage on…”
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Adhesive bonding of CFRP: a comparison of different surface pre-treatment strategies and their effect on the bonding shear strength by Schweizer, Markus, Meinhard, Dieter, Ruck, Simon, Riegel, Harald, Knoblauch, Volker

“…A promising joining technology for thermoset CFRP is adhesive bonding. However, the mechanical performance is influenced negatively by contaminants, like…”
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A post-mortem study of commercial 18650 lithium-ion cells with LiNi0.5Co0.2Mn0.3O2//Graphite chemistry after prolonged cycling (> 7000 cycles) with low C-rates by Weisenberger, Christian, Meir, Betina, Röhler, Sebastian, Harrison, David K., Knoblauch, Volker

“…•Data for long-term cycling (> 7000 cycles) with low C-rates.•State-of-the-art commercial cell chemistry (NCM532//Graphite).•Detailed post-mortem analysis with…”
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Selective surface treatment by means of IR-laser – A new approach to enhance the rate capability of cathodes for Li-ion batteries by Bolsinger, Marius, Weller, Manuel, Ruck, Simon, Kaya, Pinar, Riegel, Harald, Knoblauch, Volker

“…To meet today’s demands on lithium-ion batteries for battery electrical vehicles in terms of energy density, electrodes with a high active mass loading as well…”
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Investigating the influence of the calendering process on the 3D microstructure of single-layer and two-layer cathodes in lithium-ion batteries using synchrotron tomography by Ademmer, Marten, Prifling, Benedikt, Weller, Manuel, Hilger, André, Osenberg, Markus, Manke, Ingo, Knoblauch, Volker, Schmidt, Volker

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A combined electrochemical and microscopical analysis on the effect of laser structuring on Li plating of graphite anodes for lithium-ion batteries by Sandherr, Jens, Bolsinger, Marius, Kleefoot, Max-Jonathan, Knoblauch, Volker

“…Li plating on the anode is the predominant ageing effect that can occur when a lithium-ion battery is charged with high current rates or subjected to cyclic…”
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