The production of high-performance lithium-ion batteries is on the rise. These batteries power the growing number of electric cars and numerous devices across the globe. Qualitative battery production is key in maintaining high standards in terms of performance, reliability and safety. Hammer-IMS enables battery manufacturers to monitor film thickness after coating and calendering.
An essential step in the manufacturing process of lithium-ion batteries is applying electrode coatings on copper (anode) or aluminum (cathode) films. The film is continuously or intermittently coated with the isolation substance using an application tool, such as a slot die, a doctor blade or an anilox roller. After coating, the wet foil is transferred to the dryer stages.
Hammer-IMS offers quality control systems that gauge wet coated films to identify sections where the coating layer is too thin or missing. Such deficiencies potentially lead to degraded battery performance and short circuits. The thickness measurement system with one or multiple sensors scans the entire width of the wet coated films. Dynamic graphic displays with underlying reporting data allow operators and production supervisors to monitor wet coated film thickness. Optionally, it is possible to use the reporting data to automatically control the electrode coating step in closed loop.
The Hammer-IMS systems are equally suitable to measure the thickness of the coated film after the upstream calendering stage. The coated film is then compressed by a rotating pair of rollers. This step is essential in obtaining the required line pressure, to ensure the subsequent wetting properties of the electrodes and the energy density of the cells. Accurate thickness measurement of the coated film after calendering is an important quality indication in battery production lines.
MARVELOC-CURTAIN-O
Our CURTAIN integrates our M-Ray technology enabling full-industrial solutions. CURTAINs are tailored to perform a 24/7 industrial measurement task. Each CURTAIN machine consists our innovative Marveloc 602 measuring device. The CURTAIN itself is basically a rigid metal frame that support high measurement reliability and robustness. The rigidity of the frame guarantees robust measurements even in harsh environments. The Marveloc 602 sensors in the CURTAIN system measure through the material, with the transmitter of the sensor positioned above the measured material and the receiver underneath. The M-Ray technology and CURTAIN’s respectable gap height support high measurement standoff, avoiding scratches and defects on the material.
MARVELOC-CURTAIN for Labs
In addition to a range of in-line solutions, Hammer-IMS offers thickness and basis-weight measuring systems for laboratory use. Typically, lab systems consist of a single fixed measurement head, optionally equipped with a feeder and/or scanner. The incorporated M-Ray measurement technology is non-radioactive and non-nuclear, so no increased safety precautions or legal restrictions apply for your lab environment. In-depth measurements from within a lab-environment are typically performed for purposes of: production process optimization; when developing new materials such as nonwovens, plastics or coatings, ...; to investigate used specimens to draw conclusions about endurance, wear and material stability.
MARVELOC-CURTAIN-C
The CURTAIN C-frame system, displayed on the right, uses a 100% classic scanning C-frame concept. Its design is sleek and slim. The system can be equipped with one or more measuring heads. The system brings the power of multi-head to classic C-frame measuring technology. The pure electronic nature of the M-Ray technology within this fixed or scanning frame is non-nuclear and non-radioactive. The M-Rays’ high dynamics allow for high-standoff measurements that are fast and accurate. C-frame CURTAIN systems are available with arm lengths up to 1.5 meter. Such systems are extremely flexible because they can simply be inserted on either side of a production line without interrupting production. C-frame type systems can be used on lines of any material width.
M-Ray OEM Module
Whether you are a machine builder, a sensor integrator, a scientific researcher, or just an enthusiast, Hammer-IMS can provide you with an additional M-Ray eye on your measurement tasks. Hammer-IMS is proud to present you its newly developed M-Ray OEM module.
The device has been developed with the main intention to open up the world of non-nuclear and non-radioactive thickness and basis-weight measurement to manufacturers of inline quality control systems. M-Rays - electromagnetic waves just like those used in your cell phone - can be applied to measure plastics, fabrics, nonwovens, coatings, etc. We are happy to assist you with your OEM projects.
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