Solid-liquid mixing dispersion system for LiB (lithium-ion battery materials)
Inline solid-liquid mixing and dispersion system for battery materials
The quality of the battery slurry is determined by the process. A dispersion design that can be reproduced from research to mass production.
In the manufacturing of lithium-ion batteries (LiB), the dispersion quality of the positive and negative electrode slurries and conductive material pastes significantly affects battery performance, lifespan, and safety. On-site challenges include clumping during powder input, agglomeration of conductive materials, poor mixing due to increased viscosity, and variability between batches. Particularly in the research phase, issues may not arise, but many cases are observed where they cannot be replicated during mass production. Many of these challenges stem not from individual equipment but from the entire process, including input conditions, dispersion energy, fluid design, and process configuration. This system is designed to provide a consistent approach from powder supply to dispersion and formulation, establishing an optimal dispersion process tailored to material properties and formulation conditions. By designing with the same logic from the lab to small machines, pilot, and mass production lines, reproducibility and quality stability during scale-up are achieved. It is also capable of accommodating process design according to the characteristics of the positive electrode, negative electrode, and conductive materials.
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basic information
A solid-liquid mixing and dispersion system that integrates powder supply, premixing, dispersion, circulation homogenization, formulation, and cleaning. We conduct process design considering particle size distribution, specific surface area, concentration, and viscosity changes according to the characteristics of positive electrode materials (NCM, LFP), negative electrode materials (graphite, Si-based), and conductive materials (CNTs, etc.). By optimizing the order of input, shear force, residence time, and fluid design, we suppress agglomeration and achieve uniform dispersion. The system supports inline continuous processing, circulation processing, and batch processing, allowing for configuration proposals based on processing volume and application. In addition to selecting equipment including high-shear dispersion devices (such as IKA), we also accommodate powder supply equipment, piping design, storage tanks, CIP, data logging, and integration with upper-level systems. We provide consistent scale-up design from laboratory machines to mass production lines.
Price information
It varies depending on the specifications.
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Applications/Examples of results
【Target Applications】 - Positive electrode slurry (NCM, LFP, etc.) - Negative electrode slurry (graphite, Si-based) - Conductive material paste (CNT, carbon black) 【Common Issues】 - Clumping occurs during powder addition - Conductive materials are not uniformly dispersed, leading to performance variability - High viscosity prevents effective mixing - Inability to reproduce results during scale-up 【Details by Application】 - Positive electrode slurry dispersion - Negative electrode slurry dispersion - Conductive material (CNT) dispersion 【Support Content】 Improvement of dispersion quality and reproducibility through optimization of process design (input conditions, dispersion conditions, fluid design). We provide consistent support from lab validation to mass production startup.
Detailed information
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The world-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 supports space-saving and short processing times, enabling 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 and 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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