Scalable Production of High Conductivity Carbon Nanotubes

Microfluidizer Scalable Production of High Conductivity Carbon Nanotubes

2026-08-30 Source: Press release Analytik 2 min Reading Time

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Professor Welland’s group at the Nanoscience Centre in the Department of Engineering at the University of Cambridge (UK) made use of a LM20 Microfluidizer to help produce high conductivity carbon nanotube films.

LM20 Microfluidizer and Cambridge CNT dispersion produced by the LM20 microfluidizer. (Source: Analytik) — LM20 Microfluidizer and Cambridge CNT dispersion produced by the LM20 microfluidizer.
(Source: Analytik)

Carbon nanotubes are amazing conductive materials that are very strong, flexible, and chemically stable. Their large-scale industrial adoption has been hampered due to the unavailability of an industrially compatible process to produce very high conductivity carbon nanotube dispersions, which does not require toxic/hazardous materials like acid and strong solvents.

University of Cambridge’s recent developmental work has resulted in a very scalable process that produces carbon nanotube films with high thermal conductivity and lowest sheet resistance. Most importantly, it achieved this without using hazardous materials, and its method involves only a one-step dispersion process. The solvent and dispersion agents used in the process are water and cellulose respectively, which are not only non-hazardous but also abundant in nature. The developed process uses a LM20 Microfluidizer, supplied by Analytik, that can be scaled up to produce carbon nanotube dispersions of hundreds of litres per day. Simplicity and scalability make this process very attractive for industrial adoption, shares the University.

The most important advantage of using a LM20 Microfluidizer is that all the Carbon nanotubes present in the solution experience the same shear force during dispersion, which is not possible to achieve by using conventional sonication methods, comments the University. The team has been very pleased with the excellent technical support provided by Analytik, which has enabled them to fully exploit the extensive capabilities of the LM20 Microfluidizer for the production of its novel high conductivity carbon nanotube films, adds the University.

The LM20 Microfluidizer represents the gold standard for producing uniform nano emulsions and particle size reduction. The system is a digitally controlled high-pressure homogenizer that maintains identical sample processing conditions, enabling it to reliably produce desired results, including uniform particle and droplet size reduction. The LM20 Microfluidizer is widely proven to linearly scale up from lab to pilot and production volumes, concludes the firm.

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