Pd/MWCNT Hydrogen Storage CatalystAvailable
Palladium nanoparticles supported on multi-walled carbon nanotubes. Used as a kinetics additive for magnesium-based solid-state hydrogen storage — added to MgH₂ / AZ31 / AZ61 magnesium systems to lower the desorption barrier and speed absorption and desorption.
| Composition | 5% Pd on 95% multi-walled carbon nanotubes (MWCNT) |
| Form | Powder |
| Application | Kinetics additive for MgH₂ and magnesium-alloy solid-state hydrogen storage |
| Typical addition | Commonly evaluated at 3–5 wt% in the magnesium system |
| Published performance | With 5 wt% in AZ31: 6.89 wt% capacity, 446 s absorption / 735 s desorption at 375 °C, ~26% lower desorption activation energy (132.7 → 98.5 kJ/mol), stable over 20 cycles — Journal of Energy Storage 179 (2026); Fuel 425 (2026) |
| Documentation | Technical data sheet (TDS), per-batch Certificate of Analysis (CoA), peer-reviewed papers |
| Packaging | Sealed container under inert conditions; quantity to order |
| Samples | Free up to 5 g. Larger evaluation quantities quoted (precious-metal content is priced to market) |
| Lead time | Evaluation samples typically 4–8 weeks; production quantities quoted per order |
| IP | Covered by Taiwan invention patents incl. TW I866520; coverage is jurisdiction-specific |
Magnesium-Based Solid-State Hydrogen Storage MaterialAvailable
The catalyst already integrated into a magnesium alloy system, for buyers who want the storage material rather than the additive.
| Composition | Commercial magnesium alloy (AZ31 or AZ61) modified with Pd/MWCNT catalyst |
| Form | Powder / processed alloy — specify with your application |
| Capacity (AZ31 + 5 wt%) | 6.89 wt% (~99% of the corrected theoretical value) in the peer-reviewed AZ31 + 5 wt% system |
| Kinetics | 446 s absorption / 735 s desorption at 375 °C |
| Operating temperature | ~325–375 °C for efficient desorption — suits stationary storage, waste-heat sites and metal-hydride compression; not ambient or portable |
| Cycling | Stable over 20 cycles with minimal grain coarsening |
| Documentation | Material data, per-batch CoA, peer-reviewed papers (XRD/SEM/TEM/XPS + DFT) |
| Samples | Evaluation quantities on request |
Nano-Platinum HER ElectrocatalystAvailable
Finely dispersed nano-platinum for the cathode (hydrogen evolution reaction) in water and PEM/AEM electrolysis, and for PEM fuel-cell electrodes. Engineered for high platinum utilization so a target performance can be reached with less platinum.
| Material | Nano platinum (unsupported) |
| Purity | 99.2% (independent laboratory, ICP) |
| Particle size | DLS, volume distribution in water. The distribution is narrow: 98.7% of the volume sits in two adjacent bins at 24.3 nm and 27.5 nm, with a small ~1.3% coarse fraction near 250 nm (volume weighting exaggerates a handful of large particles; by number the distribution is tighter still). Summary statistics: median 23.8 nm, mean 26.9 nm, D90 26.7 nm; three runs gave medians of 22.9–23.8 nm. Report dated 2020-01-31 — available on request, and a current re-test can be arranged |
| BET surface area | 35 m²/g (manufacturer's specification, SP-B00101). An independent re-test can be arranged if your qualification protocol requires one |
| Form | Powder; dispersions / catalyst inks on request |
| Electrode side | Cathode — HER. Does not replace the iridium anode (OER) catalyst |
| Applications | PEM / AEM electrolysis MEAs, water electrolysis, PEM fuel-cell electrodes, catalyst R&D |
| Documentation | TDS, per-batch CoA, ICP purity report |
| Samples | Free up to 5 g. Larger quantities quoted (platinum priced to market) |
Carbon-Supported Platinum (Pt/C)In development
Platinum supported on conductive carbon for improved dispersion and conductivity in catalyst inks. Contact us for current availability and timing.
Pd/CeO₂/C and Pd/RuO₂/C CatalystsSamples available
Palladium on ceria-carbon and palladium/ruthenium-oxide on carbon supports — part of the tunable Pd × CeO₂/RuO₂ × carbon platform, configured to the substrate and the target performance. Pd/CeO₂/C suits AB₂-type systems and cost-controlled solid-state storage; Pd/RuO₂/C suits fuel-cell and electrolysis early-stage validation.
| Form | Powder |
| Samples | Free up to 5 g. Larger evaluation quantities quoted — precious metals are priced to market |
| Specifications | Full technical data sheets in preparation; current data provided on request |
Nano-Palladium PowderAvailable
High-purity nano palladium for catalysis and hydrogen applications, supplied as powder with per-batch CoA. Specifications on request.
How to order
| Step | What happens |
|---|---|
| 1 · Tell us the application | Which product, your system (magnesium alloy, MEA, fuel cell, research), target quantity and timeline. This lets us tell you honestly whether it fits. |
| 2 · Samples and data | Evaluation samples free up to 5 g, with TDS and per-batch CoA. Larger evaluation quantities are quoted because precious-metal content is priced to market. |
| 3 · Evaluate | Your team runs its own qualification. We supply the underlying test data and peer-reviewed papers for review. |
| 4 · Quote and supply | Quotation separates metal value from processing. Evaluation samples typically ship in 4–8 weeks; production quantities quoted per order. |
Request a quote or free sample
Tell us the product, your application and quantity — we will send samples, the data and a straight assessment of fit.
Go to the enquiry form →Request samples & a quote
Free evaluation samples up to 5 g — tell us the product and your application.
FAQ
Where can I buy a Pd/MWCNT catalyst for MgH₂ hydrogen storage?
ZnoNova supplies Pd/MWCNT (5% Pd on 95% multi-walled carbon nanotubes, product code TP-121101) as a kinetics additive for magnesium-based solid-state hydrogen storage. Evaluation samples are free up to 5 g, with a technical data sheet and per-batch CoA; larger quantities are quoted because palladium is priced to market. Contact [email protected].
Do you provide free samples?
Yes — evaluation samples up to 5 g are free of charge for all catalogue products. Larger evaluation quantities are quoted, because precious-metal content is priced to market. Evaluation samples typically ship in 4–8 weeks.
What documentation comes with an order?
A technical data sheet, a per-batch Certificate of Analysis, and — for the hydrogen storage catalyst — the peer-reviewed publications behind the performance figures. An ICP purity report is available for the nano-platinum.
How is pricing structured for precious-metal catalysts?
Quotations separate the metal value, which is priced to market, from processing, so you can see what you are paying for. Palladium and platinum prices move, so quotes are issued with a validity period.
How much catalyst do I add to a magnesium system?
Published results are commonly at 3–5 wt% in the magnesium system; the peer-reviewed AZ31 result uses 5 wt%. Optimum loading depends on your alloy, processing route and target kinetics — we supply data to support your own qualification.
Is the nano-platinum an anode or cathode catalyst?
Cathode — it is a hydrogen evolution reaction (HER) catalyst for water and PEM/AEM electrolysis. It does not replace the iridium-based catalyst used at the anode (oxygen evolution reaction).
※ Performance figures are third-party peer-reviewed research results under stated conditions (Journal of Energy Storage 179 (2026); Fuel 425 (2026)). Purity and particle-size figures are independent laboratory results; the particle-size report is dated 2020-01-31 and a current re-test can be arranged. Application performance depends on formulation, loading and operating conditions — validate for your use case. Precious-metal pricing follows market.