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Bruno Figueiredo

Graphenest

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00:19:30 - 00:20:22

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Summary of the clip:

#GrapheneBandgapEngineering, #StrainEngineering, #SemiconductingCarbonNanotubes, #NanotubeSorting, #Nanoelectronics, #AdvancedMaterials

This is a highlight of the presentation:

Graphene Connect 2026

11-12 March 2026

Online | TechBlick Platform

Organised By:

TechBlick

Graphene-Info

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00:09:14 - 00:10:11

How can graphene speed up EV cable production by 40x while also solving a critical high-frequency problem that metals can't?

How can graphene speed up EV cable production by 40x while also solving a critical high-frequency problem that metals can't?

A key value proposition for graphene-based composites is their ability to be seamlessly integrated into existing manufacturing processes, leading to significant operational savings. A prime example is in e-mobility cabling, where a conductive PVC layer containing graphene can replace the traditional metal braiding used for EMI shielding. This simple substitution addresses a major production bottleneck, as the metal braiding process is notoriously slow.

By eliminating this step, cable production can be accelerated by as much as forty times, a massive improvement in throughput and a significant reduction in operational expenditure (Opex). This demonstrates a tangible, cost-saving benefit of adopting graphene solutions beyond just material performance. It shifts the value from a simple material replacement to a process optimization strategy.

Furthermore, graphene offers a fundamental performance advantage in high-frequency applications, such as ADAS sensors. Unlike metals, which primarily reflect electromagnetic waves, graphene-based materials are highly absorptive. This behavior is critical in high-frequency electronics where reflections can cause secondary interference and degrade system performance, making graphene a prime material for next-generation automotive and communication systems.

In this short video, you can learn:
* A practical application of graphene-based thermoplastics in e-mobility cabling.
* How replacing metal braiding can accelerate cable manufacturing by up to 40 times.
* The key difference between metal and graphene shielding at high frequencies: reflection vs. absorption.
šŸ“‹ **Clip Abstract** Discover how a graphene-based conductive polymer can replace metal braiding in automotive cables, drastically accelerating production. Learn why graphene's ability to absorb, rather than reflect, electromagnetic waves makes it a superior material for high-frequency applications like ADAS.
šŸ”— Link in comments šŸ‘‡

#GrapheneCables, #EMIShielding, #HighFrequencyElectronics, #EMIAbsorption, #AutomotiveElectronics, #HighFrequencyCommunication

00:06:17 - 00:07:23

What does a scalable, "green" liquid-phase exfoliation process for producing graphene actually look like?

What does a scalable, "green" liquid-phase exfoliation process for producing graphene actually look like?

The production of graphene begins with a four-stage liquid-phase exfoliation process, starting with the micronization of natural graphite. This initial step utilizes high-shear mixing to narrow the particle size distribution of the graphite feedstock. This pre-treatment is crucial for ensuring a consistent and efficient exfoliation in the subsequent stages of the process.

Following micronization, the graphite is diluted into a liquid medium to form a slurry. This slurry is then subjected to ultrasonic cavitation, a process that uses high-frequency sound waves to create and collapse microscopic bubbles. The intense energy released during this cavitation effectively separates the layers of graphite to produce a high-quality graphene dispersion.

The final stages involve separating the graphene powder from the liquid medium, as most customers and partners prefer to work with a dry material. A critical aspect of this process is its sustainability; the liquid medium used for exfoliation can be recovered and reused in the next production batch. This recyclability is key to reducing waste and improving the overall cost-effectiveness and environmental footprint of the manufacturing process, especially as production scales up.

In this short video, you can learn:
* The four main stages of Graphenest's liquid-phase exfoliation process.
* How ultrasonic cavitation is used to separate graphite layers into graphene.
* The importance of solvent recovery for creating a more sustainable and cost-effective production cycle.
šŸ“‹ **Clip Abstract** This clip details a four-step liquid-phase exfoliation method for producing graphene from natural graphite. The process involves micronization, ultrasonic cavitation, and powder separation, with a key feature being the recovery and reuse of the liquid medium.
šŸ”— Link in comments šŸ‘‡

#LiquidPhaseExfoliation, #UltrasonicCavitation, #GraphiteMicronization, #SolventRecovery, #AdvancedMaterials, #NanomaterialSynthesis

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