Yes—but only in the limited sense reported by Kansas State University in 2017. Researchers described a contained detonation of hydrocarbon gas and oxygen that produced graphene in gram-scale quantities, rather than milligrams. The university presented it as a potentially economical route that might scale, while also stating that material quality and industrial-scale equipment still needed work. The report is evidence of a promising laboratory method, not proof that factories were producing graphene at commercial scale.
How the reported graphene process works
The method uses a controlled explosion inside a sealed chamber:
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- Load the reactants. The chamber is filled with acetylene or ethylene gas together with oxygen.
- Initiate detonation. A vehicle spark plug starts the contained detonation.
- Collect the carbon product. Graphene formed in the detonation products is recovered after the event.
The approach does not describe simply burning a gas in open air. It depends on controlling the gas mixture, confinement, ignition and collection of the resulting carbon material.
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The team encountered the process while making carbon soot aerosol gels. After a detonation occurred in that work, the products were analyzed and identified as graphene. K-State says the earlier aerosol-gel experiments used a 17-liter aluminum chamber.
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- MEASURED CARBON CONTENT — >99 at% carbon by EDS, with <1 wt% ash and <2 wt% moisture according to the XFQ024 technical data sheet.
- FEW-LAYER DIMENSIONS — Characterized at 1–6 nm thickness by AFM and 1–2 μm lateral size by HRTEM; supplied as a black-gray powder.
- ELECTRICAL PERFORMANCE — Conductivity measured at 800–1100 S/cm, suitable for evaluation as a conductive additive in formulated material systems.
- PHYSICAL EXFOLIATION — Produced through liquid-phase ultrasonic exfoliation to obtain thin, layered graphene sheets with low defect content.
- RESEARCH AND FORMULATION USE — Suitable for evaluating battery electrodes, supercapacitor composites, conductive coatings, thermal-management materials and polymer composites. Dispersion and final performance depend on formulation and processing conditions.
The university described the patent as Process for high-yield production of graphene via detonation of carbon-containing material, issued to the Kansas State University Research Foundation. A patent records an claimed invention; it does not by itself establish commercial readiness, a verified production rate or successful industrial deployment.
What “mass producing” meant in the 2017 announcement
Chris Sorensen, the lead inventor and a Cortelyou-Rust university distinguished professor of physics, said, “We have discovered a viable process to make graphene.” The announcement also quoted him describing economic feasibility, possible large-scale production and the absence of “nasty chemicals.”
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Arjun Nepal, a postdoctoral researcher and instructor of physics, explained the immediate achievement more precisely: “The real charm of our experiment is that we can produce graphene in the quantity of grams rather than milligrams.” In this context, “mass producing” refers to a substantial increase in reported laboratory quantity—not a demonstrated factory throughput.
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K-State said the researchers were upgrading equipment so graphene could be retrieved seconds instead of minutes after detonation, because faster collection might improve quality. The same announcement said work was still continuing on quality improvement and scaling the laboratory process to an industrial level.
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- COMPOSITION AND SIZE – Carbon content is greater than 99 at% by EDS. Reference dimensions include a lateral size of 1-10 μm by HRTEM and a thickness of 1-10 nm by AFM.
- ELECTRICAL AND DENSITY DATA – Reference conductivity is 800-1100 S/cm. Bulk density is 0.09-0.13 g/cm³, and tap density is 0.13-0.16 g/cm³.
- MEASURED CHARACTERIZATION – Supporting technical data include SEM, AFM, HRTEM, Raman and XRD characterization. Images and curves represent measured characterization data and are not a batch-specific certificate of analysis.
- FORMULATION APPLICATIONS – May be evaluated in conductive inks and coatings, battery and supercapacitor electrode formulations, thermal-management composites, antistatic materials and EMI shielding composites. Verify loading, dispersion and compatibility in the intended system.
How to interpret the reported numbers
| Figure | What it represents | What it does not establish |
|---|---|---|
| 17 liters | The aluminum chamber used in the earlier aerosol-gel work, according to Kansas State University’s 2017 announcement. | It is not a factory-vessel size, production capacity or industry benchmark. |
| 13 grams | The captioned amount of low-density graphene aerosol gel shown in a K-State photograph. | It is not a production rate, yield per batch or independently audited output. |
Why the approach appeared attractive
K-State contrasted the detonation route with two established categories of graphene production: chemical processing of graphite and heating hydrocarbons to about 1,000 degrees Celsius in the presence of catalysts. The university characterized those alternatives as energy intensive and said the detonation approach used minimal energy and avoided dangerous chemicals.
Those are claims from the contemporaneous university announcement. The available report does not provide a current, independently controlled comparison of cost, lifecycle energy, worker safety, emissions, yield or product quality. A fair evaluation therefore needs to examine more than the energy released during ignition.
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- MADE FOR FORMULATION WORK – Produced by liquid-phase ultrasonic exfoliation, with less than 1 wt% ash and less than 2 wt% moisture. Add the powder gradually and use high-shear mixing, sonication or a compatible dispersant selected for the target resin or solvent.
| Evaluation axis | Detonation method as reported by K-State | What remains to be demonstrated |
|---|---|---|
| Feedstock and chemistry | Acetylene or ethylene mixed with oxygen; a contained detonation creates the carbon product. | How feedstock purity, gas handling and reaction conditions affect consistency and cost at larger scale. |
| Energy and temperature | K-State presented the process as requiring minimal energy compared with high-temperature catalytic hydrocarbon processing. | Full system energy, including gas production, compression, chamber operation, cooling and collection. |
| Equipment and control | A sealed chamber and vehicle spark plug were used in the reported laboratory setup. | Continuous or high-throughput operation, pressure management, safety systems and rapid product recovery. |
| Output quantity | Researchers reported grams rather than milligrams; a 13-gram sample was pictured. | Repeatable yield per detonation, production rate and independently verified mass balance. |
| Material quality | The team identified the product as graphene and was working to improve its quality. | Consistent layer structure, defect levels, contamination, surface area and suitability for particular applications. |
| Demonstrated scale | Laboratory equipment, including a 17-liter chamber used in the related aerosol-gel work. | Industrial-scale production and commercial operation. |
Why gram-scale output is important—but not enough
Producing grams changes the practical starting point for experiments that need more than tiny analytical samples. It can support characterization, formulation and early application testing more readily than milligram-scale preparation.
Commercial graphene, however, must meet a specification repeatedly and at a cost that includes feedstock, equipment, labor, gas safety, product separation, quality control and waste handling. A single photographed sample cannot answer those questions. Nor does the chamber volume indicate how much usable graphene was produced per run.
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- CARBON AND MORPHOLOGY – Carbon content is greater than 99 at% by EDS. Representative HRTEM specifications include a lateral size of 1–6 μm and a thickness of 1–4 nm.
- ELECTRICAL AND PHYSICAL DATA – Reference conductivity is 100–300 S/cm, with ash below 1% and moisture below 2 wt%. Actual results depend on the test method and sample preparation.
- PARTICLE AND DENSITY PROFILE – Approximate D50 particle size is 16.01 μm. Tap density is 0.05–0.07 g/mL, and bulk density is 0.03–0.05 g/mL.
- MATERIAL DEVELOPMENT USES – May be evaluated in conductive films and inks, battery electrode formulations, supercapacitor electrodes, EMI shielding materials, thermal-management formulations and composite materials. Verify loading, dispersion and matrix compatibility in the intended system.
What the 2017 report does and does not tell us today
The report establishes what K-State announced on January 25, 2017: a patented detonation concept, gram-scale laboratory quantities and an active effort to improve quality and move toward industrial scale. The sources do not establish whether the technique was later commercialized, reached industrial production or retained a particular patent status. Those points should be treated as unresolved rather than assumed.
How to describe the method accurately
- Call it a promising laboratory process reported by a K-State research team.
- Explain that it uses a controlled detonation of hydrocarbon gas and oxygen.
- Use “gram-scale” for the reported quantity, not “factory-scale” or “mass production” without newer evidence.
- Keep the 13-gram photograph and 17-liter chamber in their original context.
- Attribute energy, chemical and economic advantages to K-State’s 2017 announcement rather than presenting them as independently established comparisons.
The central advance was a potentially simple way to form graphene from carbon-containing gas in a contained detonation. The central qualification is just as important: in the announcement itself, scaling and quality improvement were still unfinished research tasks.
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