In this manuscript, a method to reduce superelevations of lateral edges in cross-web direction during slot die coating of shear-thinning slurries for Li-ion battery electrodes (LIB) was developed. Therefore, the impact of the inner slot
Customer ServiceThe interfacial behavior of the meniscus and precise control strategies are crucial in the intermittent slot-die coating process for lithium-ion batteries. This study employs both numerical and experimental methods to investigate the constraint mechanisms and pattern evolution of the leading and trailing edges of anode slurry during
Customer ServiceUnderstanding and reducing edge elevations at the lateral edges are crucial aspects to reduce reject rates during electrode production for lithium-ion batteries (LIB). Herein, different process conditions to reduce edge elevations at the lateral edges of water-based, shear-thinning coatings in the production of LIB electrodes are presented. The
Customer ServiceThe ideal lithium-ion battery anode material should have the following advantages: i) high lithium-ion diffusion rate; ii) the free energy of the reaction between the electrode material and the lithium-ion changes little; iii) high reversibility of lithium-ion intercalation reaction; iv) thermodynamically stable, does not react with the electrolyte [44]; v) good
Customer ServiceEnhanced Material Handling: With sophisticated materials, such as plasma-coated idle rollers, used to move the web from unwinder to rewinder, top-tech slitting machines minimize the risk of damage while enlarging the lifetime of the components. They ensure smooth and controlled movement of materials through the slitting process, preserving the integrity of
Customer ServiceRequest PDF | Slot die coating of lithium-ion battery electrodes: Investigations on edge effect issues for stripe and pattern coatings | An important step in the production of lithium-ion
Customer ServiceThe 2019 Nobel Prize in Chemistry has been awarded to a trio of pioneers of the modern lithium-ion battery. Here, Professor Arumugam Manthiram looks back at the evolution of cathode chemistry
Customer ServiceThe results confirm that the design of an amorphous carbon coating that suppresses the overactivity of the edge during the reductive decomposition of electrolyte components while increasing the active points for
Customer ServiceIn the manufacturing process of Li-Ion batteries the slot die coating of the electrodes is a
Customer ServiceIn comparison with the well-known coating defects such as air entrainment, low-flow limit, barring, or swelling, less scientific research has been published on the subject of edge formation during coating of lithium-ion battery (LIB) electrodes, although edge elevations can cause damage to electrodes or even cell production machines. On the one hand, examples of
Customer ServiceIn this study the influence of dynamic and geometric coating parameters on the shaping of coating edge effects was investigated. A quantitative measurement technique for edge profiles was developed and implemented. Film stretching has been identified in literature as a main reason for edge effects.
Customer ServiceThe results confirm that the design of an amorphous carbon coating that suppresses the overactivity of the edge during the reductive decomposition of electrolyte components while increasing the active points for lithium insertion and desorption is crucial for enhanced battery performance.
Customer ServiceSuperelevation of the side edge, also known as heavy edge, is a defect that negatively affects Li-ion battery manufacturing and needs to be mitigated. In this study, we experimentally...
Customer ServiceIn the manufacturing process of Li-Ion batteries the slot die coating of the electrodes is a crucial step, which is not fully understood yet. Especially the mechanisms creating super-elevations at the coating edges, which
Customer ServicePrecision and material efficiency are paramount in battery research and development, particularly with lithium-ion battery electrodes. One of the persistent challenges that researchers face is the edge elevation issue while coating thick, high-viscosity electrode layers. Edge formation, particularly side-edge elevation, also known as heavy edge, occurs when the edges of the
Customer ServiceThe separator is used to isolate the cathode and anode material, playing an important role in the safety of battery, which prevents internal short circuit of battery and provides lithium ions free flow channels. In this paper, based on the commercial ceramic-coated polyethylene (PE) separator (CPES), low-melting point PE microspheres were mixed in
Customer ServiceSuperelevation of the side edge, also known as heavy edge, is a defect that negatively affects Li-ion battery manufacturing and needs to be mitigated. In this study, we experimentally...
Customer ServiceThe rapid growth of energy storage technologies has placed Lithium-Ion Batteries (LiBs) at the cutting edge of innovation, powering everything from smartphones to electric vehicles.As demand for higher performance and safety in LiBs continues to rise, the role of the battery separator—an often overlooked but critical component becomes increasingly important.
Customer ServiceResearchers from the Monash University in Australia and the Royal Melbourne Institute of Technology have unveiled a lithium-sulfur (Li-S) battery design with a nanoporous polymer-coated lithium foil anode, capable
Customer ServiceAn important step in the production of lithium-ion batteries is the coating of electrodes onto conducting foils. The most frequently used coating method in industry is slot die coating. This process allows the reproducible preparation of thin functional films at high velocities. A phenomenon that is often neglected in scientific studies and has attracted little attention,
Customer ServiceUnderstanding and reducing edge elevations at the lateral edges are crucial aspects to reduce reject rates during electrode production for lithium-ion batteries (LIB). Herein, different process conditions to reduce edge
Customer ServiceAn important step in the production of lithium-ion batteries is the coating of electrodes onto conducting foils. The most frequently used coating method in industry is slot die coating. This process allows the reproducible preparation of thin functional films at high velocities.
Customer ServiceIn this study the influence of dynamic and geometric coating parameters on the shaping of coating edge effects was investigated. A quantitative measurement technique for edge profiles was developed and
Customer ServiceBy ensuring equal pressure across the lip of the slot-die head and carefully controlling the coating speed and pump flow rate, FOM Technologies'' machines achieve a uniformly distributed coating with perfectly even edges, significantly
Customer ServiceBy ensuring equal pressure across the lip of the slot-die head and carefully controlling the coating speed and pump flow rate, FOM Technologies'' machines achieve a uniformly distributed coating with perfectly even edges, significantly improving edge quality.
Customer ServiceIn comparison with the well-known coating defects such as air entrainment, low-flow limit, barring, or swelling, less scientific research has been published on the subject of edge formation during coating of lithium-ion battery (LIB) electrodes, although edge elevations can cause damage to electrodes or even cell production machines.
The results confirm that the design of an amorphous carbon coating that suppresses the overactivity of the edge during the reductive decomposition of electrolyte components while increasing the active points for lithium insertion and desorption is crucial for enhanced battery performance.
One of the main challenges in processing high-capacity battery cells with ultrathick electrodes is the edge formation at the lateral edges during the coating step. Edge elevations could lead to defects in subsequent process steps, especially during winding and calendering of dry electrodes.
An important step in the production of lithium-ion batteries is the coating of electrodes onto conducting foils. The most frequently used coating method in industry is slot die coating. This process Large-scale secondary lithium-ion batteries could be a key technology to compensate for the inconsistent energy supply of renewable sources.
In order to reduce the cost of lithium-ion batteries, production scrap has to be minimized. The reliable detection of electrode defects allows for a quality control and fast operator reaction in An important step in the production of lithium-ion batteries is the coating of electrodes onto conducting foils.
Using the optimized setup, even for ultrathick high-capacity electrode coatings (hwet = 365 μm for 7 mAh cm −2), a strong reduction of edge elevations by 48% to 15.5 μm compared with the standard coating process is possible.
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