How did I not see this thread?!?
Here's a company I've been working with, though mainly on the heat transfer side. Pretty amazing stuff both with batteries and heat transfer. Just announced the HX coating last week in North America through our distribution partner. Available as soon as the EPA says graphene is okay (again).
https://graphenemg.com
(04-25-2014, 05:25 PM)martyup Wrote: [ -> ]Okay CT, I don't get any of that, but what is this stuff likely to do for humanity? Can we make something cool with it? How about ultra light football helmets and shoulder pads to give our team an advantage?
maybe in future, right now Carbon fiber is the go to as light strong material. Who knows when or even if graphen will ever be as good material to use
:D
OK, I'll play.
Graphene Builds a Better Battery - www.caltech.edu
From the beginning:
Quote:Caltech researchers from campus and JPL have collaborated to devise a method for coating lithium-ion battery cathodes with graphene, extending the life and performance of these widely used rechargeable batteries.
These efforts have led to a promising discovery that may improve lithium-ion battery performance and reduce reliance on cobalt, an element frequently used in lithium-ion batteries that is difficult to source sustainably.
Seeing as lithium-ion ("LION") batteries are in laptops and cell phones and electric cars and everything, this could be a big deal.
I told ChatGPT that "I'm intrigued by graphene" and here was its response:
That's great to hear! Graphene is an incredible material with a lot of potential. It's a single layer of carbon atoms arranged in a two-dimensional honeycomb lattice, and it has some remarkable properties:
- **Strength:** It's about 200 times stronger than steel, despite being extremely lightweight and thin.
- **Conductivity:** It's an excellent conductor of electricity and heat, making it ideal for electronic and thermal applications.
- **Flexibility:** Graphene is not only strong but also very flexible, which makes it suitable for use in flexible electronics.
- **Transparency:** It absorbs only about 2% of light, so it's nearly transparent, making it useful for applications like touch screens and solar panels.
Researchers are finding uses for graphene across a variety of industries, from next-generation batteries and supercapacitors to water filtration, medical devices, and even aerospace materials.
Do you have a specific question or application you're curious about? (edited)
I asked Grok to summarize the latest discoveries in the field of graphene research. Here is his answer:
Recent Discoveries on Graphene Applications
Graphene, the single-layer carbon material discovered in 2004, continues to drive innovation across fields like electronics, energy, biomedicine, and quantum technologies. As of September 2025, research has shifted from fundamental properties to practical, scalable uses, with breakthroughs enabling better integration into devices. Below, I highlight the most recent key discoveries (primarily from 2024–2025), focusing on their applications and implications. These are drawn from peer-reviewed studies and industry reports, emphasizing advancements that bridge lab-to-market gaps.
1. Quantum Sensors and Exotic Physics Simulation
Dirac Fluid Behavior in Ultra-Clean Graphene: In September 2025, researchers at the Indian Institute of Science (IISc) and Japan's National Institute for Materials Science (NIMS) observed electrons in ultra-clean graphene forming a "Dirac fluid"—a near-perfect, low-viscosity quantum liquid at the Dirac point (where graphene transitions between metallic and insulating states). This decouples electrical and thermal conductivity, violating the 1853 Wiedemann-Franz law by over 200 times, with conductivities quantized to a universal value close to the quantum of conductance (≈4 e²/h).
Applications: This enables ultra-sensitive quantum sensors for detecting weak magnetic fields (e.g., brainwaves) or electrical signals, potentially revolutionizing medical imaging, neuromorphic computing, and quantum entanglement studies. It also simulates extreme phenomena like quark-gluon plasmas or black hole thermodynamics on a tabletop scale, aiding high-energy physics research without particle accelerators.
Impact: Graphene's role as a "lab-scale collider" could accelerate quantum tech development, with prototypes for sensors expected in 2–3 years.
Floquet Engineering for Electronics: In early September 2025, University of Regensburg scientists used ultrafast light pulses to induce "Floquet states" in graphene, modifying its electronic properties dynamically. This unlocks tunable bandgaps and conductivity without structural changes.
Applications: Ideal for next-gen flexible electronics, such as adaptive displays, high-speed transistors, and optoelectronic switches in wearables or solar cells. It could enable "on-demand" semiconductors for AI hardware.
2. Semiconductors and Computing
First Functional Graphene Semiconductor: Building on 2024 work, Georgia Tech researchers in 2025 refined epitaxial graphene on silicon carbide (SiC) substrates, achieving a 0.6 eV bandgap and electron mobility >5,000 cm²/V·s—10x silicon's value. Oxygen-free chemical vapor deposition (CVD) ensures scalability.
Applications: Replaces silicon in chips for faster, smaller electronics (e.g., 50-year upgrade from current tech). Potential in high-performance computing, 6G networks, and flexible semiconductors for foldable devices. Market forecasts predict graphene chips in consumer electronics by 2030.
Impact: Addresses silicon's scaling limits, with prototypes showing 20x faster data processing.
Spin Currents Without Magnets: TU Delft's 2025 breakthrough uses the spin Hall effect in graphene to generate quantum spin currents at room temperature, bypassing bulky magnets.
Applications: Compact spintronics for quantum computing and low-power memory (e.g., MRAM alternatives). In AI, it could enable efficient neural networks by reducing energy loss in data centers.
3. Energy Storage and Harvesting
Thermal Energy Harvesting Circuits: University of Arkansas (2025) developed a graphene circuit that converts ambient thermal vibrations into DC current using opposing diodes, extending Nyquist theory without violating thermodynamics. Power output increases at low frequencies due to graphene's slow oscillations.
Applications: Self-powered sensors in wearables or IoT devices (e.g., unlimited low-voltage supply for environmental monitoring). Could embed in chips for "free" energy from body heat or machinery vibrations.
Impact: Up to 4x more efficient than Li-ion for small-scale use; non-flammable and flexible.
Enhanced Batteries and Supercapacitors: IDTechEx reports (2025) highlight graphene-enhanced Li-ion batteries with 4x capacity and 70x faster charging, plus non-flammable properties. Graphene-perovskite hybrids improve solar cell efficiency to 25%+.
Applications: Electric vehicles (e.g., BYD's structural EV parts), renewable grids, and portable tech. Graphene oxide (GO) composites boost energy density in supercapacitors for rapid EV charging.
Impact: Market projected at $1.6B by 2034, driven by aerospace (e.g., lighter composites for COMAC C929 jets) and wind turbines.
4. Biomedical and Environmental Uses
Graphene Quantum Dots for Nanomedicine: In 2025, researchers fabricated multicolor graphene quantum dots from anthracite coal, showing high biocompatibility for drug delivery and imaging.
Applications: Targeted cancer therapy, biosensors for real-time health monitoring (e.g., flexible wearables tracking movement or breath), and neural interfaces (e.g., reduced GO electrodes for brain stimulation). Epitaxial graphene enables high-resolution neural recording.
Impact: Safer than metal nanoparticles; potential in crossing blood-brain barriers for Alzheimer's treatments.
Filtration and Composites: GO nanosheets (2024–2025) create Janus-like membranes for 99% dye removal in water purification. Graphene-reinforced concrete reduces cracks by 70%, enhancing durability.
Applications: Sustainable water treatment, eco-friendly construction (e.g., bridges), and anticorrosion coatings for aerospace/automotive. Recyclable up to 78%.
Impact: Addresses global challenges like pollution; self-healing graphene composites for "smart" infrastructure.
5. Composites and Industrial Integration
Advanced Composites: SK Innovation and KAIST (2025) developed graphene-carbon fiber with 2x tensile strength and 90% less weight than steel. The Sixth Element's epoxy resins add conductivity.
Applications: Lightweight EVs, aircraft (e.g., flame-retardant blades), and sustainable packaging. In biomedicine, GO hybrids for flexible sensors.
Impact: Reduces emissions in transport; market to $695M by 2034.
Application AreaKey Discovery (2024–2025)Potential ImpactChallengesQuantum TechDirac fluid & Floquet statesUltra-sensitive sensors; quantum simulationsScaling ultra-clean samplesElectronicsFunctional semiconductors; spin currentsFaster chips; low-power spintronicsBandgap consistencyEnergyThermal harvesting; enhanced batteriesSelf-powered devices; 4x capacityCost of high-purity grapheneBiomedicineQuantum dots; neural electrodesTargeted therapies; brain interfacesBiocompatibility testingEnvironment/CompositesFiltration membranes; reinforced materialsWater purification; durable structuresMass production
These discoveries mark graphene's maturation—20 years post-isolation, it's moving from hype to hype-fulfilling reality, with $390M+ market growth by 2024 and projections to $1.6B by 2034. Challenges like scalable, defect-free production persist, but oxygen-free CVD and fractal nano-monomers (e.g., Hydrograph's work) are addressing them. Future uses could transform AI hardware, clean energy, and personalized medicine.
Question from a former ChemE turned economist: how much does it cost to make a sheet of this stuff?