CNT conductive material paste dispersion system
Inline solid-liquid mixing and dispersion system for battery materials
CNT dispersion is determined by the process. Control of aggregation stabilizes conductivity.
In conductive paste using CNT (carbon nanotubes), the strength of aggregation and the difficulty of dispersion are challenges. If not sufficiently dispersed, a conductive network will not form, leading to unstable performance; on the other hand, excessive shear can lead to the destruction of the CNT structure, making the optimization of dispersion conditions essential. Furthermore, even slight differences in the dispersion state can significantly affect viscosity and conductivity, becoming a factor in quality variation during mass production. This system appropriately breaks down CNT aggregation while maintaining structure through process design that includes powder input, wetting processes, dispersion energy control, and circulation conditions. It is designed with the same logic from the lab to mass production, achieving a balance between conductivity and reproducibility.
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basic information
A solid-liquid mixing dispersion system specialized for CNT conductive material dispersion. It optimizes dispersion energy (shear force) and residence time according to the aggregation characteristics, length distribution, binder type, solvent conditions, and concentration of CNTs, achieving uniform dispersion while preventing structural damage due to over-dispersion. The processes of pre-mixing, wetting, dispersion, and circulation homogenization are integrated into a single design. It supports inline processing, circulation processing, and batch processing, allowing for configuration proposals tailored to specific applications. In addition to selecting equipment including high-shear dispersion devices (such as IKA), it also addresses powder supply, piping design, CIP, and data management. A consistent scale-up design is provided from lab equipment to mass production lines.
Price information
It varies depending on the specifications.
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Applications/Examples of results
【Target Applications】 - CNT conductive material paste - Conductive additive dispersion for batteries - Nano dispersion for high-performance materials 【Common Issues】 - CNTs aggregate and cannot be dispersed - Conductivity is unstable - Viscosity varies - Over-dispersion leads to decreased performance - Conditions change during scale-up 【Response Content】 Optimize dispersion energy, input conditions, and circulation conditions throughout the entire process to achieve both aggregation disintegration and structural maintenance. Ensure conductivity and quality stability, and establish a reproducible process up to mass production.
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 supports space-saving and 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.
Line up（1）
| 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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