1. Home
  2. cables
  3. 196668-37252

Graphene infused OCC conductor

I fancy a change of speaker cables, I was looking around and I saw some cables built with graphene infused OCC conductor cores. I have an idea how OFC, OCC and most variants of copper, silver plated copper and pure silver cables sound like but I have never heard anything like with the aforementioned conductors. Any ideas?

greg_f
jaymark's avatar
jaymark
541 posts
 

My curiosity is peaked.  I will try some copper-graphene cables in one of my audio systems.  My ears will be the judge not a bunch of theoretical explanations of why it makes no difference.  If it does not sound good, the resolution in my systems will shine a flood light on its bad sonics...

devinplombier
1,637 posts
 

@jaymark 

Make sure to share your findings.

 

grk
279 posts
 

Here's an AI overview of graphene as a conductive material. It has other uses as well.

AI Overview

Graphene is one of the most electrically conductive materials known. Its pristine single-layer form exhibits an in-plane conductivity up to \(100 \text{ MS/m}\) (megasiemens per meter). Because its electrons behave as massless relativistic particles, it allows for incredibly high charge carrier mobility. [1, 2, 3]

Key Electrical Metrics

  • Pristine Conductivity: Can reach up to \(100 \text{ MS/m}\), which is significantly higher than traditional conductors like copper (\(59 \text{ MS/m}\)).
  • Ballistic Transport: Electrons travel through the honeycomb lattice at extremely high speeds without scattering, operating almost like a perfect conductor.
  • Carrier Mobility: Exceeds \(200,000 \text{ cm}^2\text{V}^{-1}\text{s}^{-1}\) at room temperature, vastly outperforming conventional semiconductors like silicon.
  • Tunability: Its electrical properties can be modified via doping or by applying an external electric field, allowing it to act as an ambipolar semiconductor. [1, 2, 3, 4, 5]

Why Graphene Conducts So Well

Graphene's conductivity results directly from its unique atomic arrangement and electron structure: [1]

  • Honeycomb Lattice: It consists of a single layer of carbon atoms arranged in a two-dimensional, interconnected hexagonal lattice.
  • Sp² Hybridization: Each carbon atom forms strong bonds with three neighboring atoms, leaving a fourth "extra" electron in a delocalized \(\pi \)-bond.
  • Delocalized Electrons: These \(\pi \)-electrons are not tied to a specific atom and can move freely across the entire sheet, similar to the electron clouds found in metals. [1, 2]

Limitations & Current Applications

While a perfect, isolated single layer of graphene is essentially a perfect conductor, practical, macroscopic graphene often performs differently. [1, 2]

  • Defects & Grain Boundaries: Bulk graphene materials, when stacked into thick layers (like graphite) or used in commercial flakes, typically face structural defects that scatter electrons and lower conductivity.
  • Current Uses: Because it is lightweight, transparent, and ultra-strong, it is primarily used in real-world applications as an additive to enhance energy storage (e.g., in advanced graphene batteries), as well as in flexible touchscreens, solar cells, and electromagnetic shielding. [1, 2, 3, 4, 5]

For deeper dives into advanced research on graphene's electronic properties and real-world testing, check out resources on Wikipedia or explore the experimental mobility reviews detailed in the National Center for Biotechnology Information.

8 sites

  • Can graphene compete with copper in electrical conductivity? - Bosch

    Given as appropriate doping enables an in-plane conductivity of 100 MS/m for the graphene flakes with a flake size in the tens of ...

    Bosch Global

  • Graphene - Wikipedia

    Graphene (/ˈɡræfiːn/) is a variety of the element carbon which occurs naturally in small amounts. In graphene, the carbon forms a ...

    Wikipedia

  • Electronic and Thermal Properties of Graphene and Recent Advances in ...

    Graphene is an excellent candidate to replace these materials. Graphene exhibits remarkable electronic and thermal properties and ...

    National Institutes of Health (.gov)

 

macg19
1,320 posts
 

@mclinnguy I've not had any issues dealing with Zavfino USA. I hold them in high esteem and currently have two sets of their Fusion interconnects in my system, which I think are a serious bargain. I've also sold on various items and they sell fast!

I've been curious about their Silver Dart line. Maybe after the room treatments are complete.  

macg19
1,320 posts
 

@jl35 I'm thinking the Cerious Extreme V2 interconnects @ $400 would be an interesting comparison with my $400 Zavfino Fusions. Both are sold direct so comparable price-wise to $1200+ cables sold through typical distribution channels. 

What Cerious cables do you own?

More to discover