Positive electrode slurry solid-liquid mixing dispersion system
Inline solid-liquid mixing and dispersion system for battery materials
The quality of the positive electrode slurry is determined by the process, not the equipment. A dispersed design that takes mass production into account.
In the positive electrode slurry of lithium-ion batteries, the ability to uniformly disperse active materials, conductive agents, and binders affects the coating properties, electrode quality, and stability of battery performance. In actual production environments, issues such as clumping during powder addition, aggregation of conductive materials, poor mixing due to increased viscosity, and variations in dispersion between batches often arise. Even if there are no problems during the research phase, it is not uncommon for these issues to hinder reproducibility in mass production. This system designs the entire process of positive electrode slurry, including powder supply, input conditions, dispersion energy, circulation conditions, and formulation processes, to suppress dispersion inconsistencies and undispersed materials. By focusing on process design rather than just the equipment itself, it supports consistent scale-up and reproducibility from laboratory validation to mass production lines. It is also possible to consider conditions tailored to the positive electrode materials and formulation conditions.
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basic information
This is a solid-liquid mixing and dispersion system for cathode slurries that integrates powder supply, premixing, high-shear dispersion, circulation homogenization, formulation, and cleaning. It optimizes the input sequence, shear force, residence time, and fluid design according to the particle size distribution of the cathode material, the cohesiveness of the conductive material, binder addition conditions, solid concentration, and viscosity changes. It supports inline continuous processing, circulation processing, and batch processing, allowing for configuration proposals based on processing volume and formulation. The design accommodates not only equipment selection including high-shear dispersion devices (such as IKA), but also powder supply equipment, piping, storage tanks, CIP, data logging, and integration with upper-level systems. Scale-up design is conducted with the same philosophy for lab machines, small machines, pilot systems, and mass production machines.
Price information
It varies depending on the specifications.
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Applications/Examples of results
【Target Applications】 - LiB positive electrode slurry - NCM-based positive electrode material slurry - LFP-based positive electrode material slurry - High solid content slurries for various batteries 【Common Issues】 - Clumping occurs during powder addition - Conductive materials are not evenly dispersed, leading to performance variability - Increased viscosity due to high solid content makes mixing difficult - Quality is not stable before and after coating - Research conditions cannot be reproduced during scale-up 【Response Content】 Optimize powder addition conditions, dispersion conditions, circulation conditions, and formulation conditions throughout the entire process to improve dispersion quality, viscosity stability, and reproducibility. We provide consistent support from lab validation to mass production startup.
Detailed information
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The globally renowned IKA Group and Shibuya Kogyo have been collaborating on business and technology since 2010, working together on inline continuous dispersion systems.
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Inline solid-liquid mixing pilot plant. It achieves stable dispersion while suppressing clumping through continuous mixing. It is space-saving and supports short processing times, allowing for consistent scale-up considerations from research and development to mass production.
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It is a small experimental device that can be used on a tabletop. It can be utilized in the early stages of process evaluation.
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| Model number | overview |
|---|---|
| Inline solid-liquid mixing dispersion system |
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Company information
Our company is headquartered in Kanazawa City, Ishikawa Prefecture, and has sales offices and factories both within and outside the prefecture. We focus on the bottling business, which involves filling beverages and other products, and we are expanding into various fields such as solid-liquid mixing and dispersion systems, laser processing machines (including fiber lasers and CO2 lasers), and semiconductor assembly equipment (such as taping machines, multifunctional test handlers, ball mount machines, and bonders). Please feel free to contact us if you have any inquiries.
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