Flexiphene™ delivers 50 µF capacitance versus 0.52 µF for standard nanocarbon electrodes — and maintains 83% of that performance at 4 months. For electrochemists, energy researchers, and sensor engineers who need electrodes that don't drift, degrade, or disappoint between batches.
U.S. Patents 10,049,783 / 11,961,630 B2. Published in Electroanalysis (2020) — NASA JPL peer-reviewed evaluation.
The numbers below aren't design targets — they're measured results from NASA JPL's evaluation of Flexiphene™-based solid-contact ion-selective electrodes (SC-ISEs), published in Electroanalysis (2020).
| Electrode Property | Standard Nanocarbon | Flexiphene™ | Improvement |
|---|---|---|---|
| Capacitance | 0.52 µF | 50 µF | 96× Higher |
| Electrical Resistance | 10+ MΩ | 0.09 ± 0.03 MΩ | 100× Lower |
| EMF Drift Rate | 1900 µV/s | 20 ± 8 µV/s | 95× More Stable |
| 4-Month Retention | Degrades | 83% retained | Proven stable |
| Batch Reproducibility | Variable | 90% yield | Highest |
| Surfactant Contamination | Present | None | Clean electrode |
Source: Noell et al., Electroanalysis (2020). NASA Jet Propulsion Laboratory / California Institute of Technology. Peer-reviewed evaluation for space-mission instrumentation.
In electrochemical energy storage and sensing, the electrode-electrolyte interface is where performance lives or dies. Surfactant contamination, structural damage, and poor dispersion homogeneity all compromise this interface in ways that cascade into system-level failures.
Intact, uninterrupted nanocarbon networks throughout the electrode enable fast charge transfer. Our 100× lower resistance vs. standard electrodes means faster charging, lower internal losses, and higher power density in supercapacitors.
No agglomeration means every nanocarbon particle contributes accessible surface area to the electrode. Our 96× higher capacitance reflects near-complete surface utilization — impossible with clustered dispersions where interior surfaces are inaccessible.
Signal drift in electrochemical sensors is caused by water layer formation at the electrode-polymer interface — amplified by any surfactant contamination. Flexiphene™'s high-capacitance, surfactant-free interface eliminates the internal reference instability that causes drift.
83% performance retention at 4 months reflects both the stability of the nanocarbon structure and the absence of surfactant degradation over time. For in-situ monitoring and embedded sensor applications, this is a prerequisite — not a bonus.
Flexiphene™'s reducible nanocarbon component can be thermally or chemically reduced post-fabrication to restore near-pristine graphene conductivity. This enables a two-stage process: disperse in the processable form, then reduce for maximum electrical performance.
90% batch yield in the dispersion translates to 90% electrode-to-electrode consistency. For multi-sensor arrays, wearable devices, and production-scale manufacturing, this reproducibility is what separates a prototype from a product.
High-capacitance, low-resistance electrodes for electric double-layer capacitors and pseudocapacitors. 96× higher capacitance directly translates to higher energy density at equivalent electrode volume and mass.
Nanocarbon additives and current collector coatings for lithium-ion, sodium-ion, and solid-state battery systems. Enhanced conductivity and surface area improve rate capability and cycle stability.
Ion-selective electrodes, amperometric biosensors, and voltammetric detectors for medical diagnostics, environmental monitoring, and food safety applications. Low drift enables long-term in-situ deployment.
In-water and in-soil ion-selective sensors for heavy metal detection, nutrient monitoring, and pollution tracking. The 4-month stability data makes Flexiphene™ sensors viable for unattended field deployment.
Electrochemical biosensors for glucose, lactate, urea, and biomarker detection in point-of-care and implantable devices where calibration drift and electrode degradation are critical failure modes.
Catalyst support layers and gas diffusion electrode coatings where high surface area, low resistance, and corrosion-resistant nanocarbon structures improve oxygen reduction and hydrogen evolution performance.
Request a free Flexiphene™ sample kit with the NASA JPL dataset. Our electrochemists will support your first electrode fabrication and testing — from setup to published results.