DiffuCarb™ E255c High Surface Area PtRu Black Electrode
MGL370 · PtRu Black · Nafion · Direct Methanol Fuel Cell
The DiffuCarb™ E255c High Surface Area PtRu Black-Carbon Paper Electrode (MGL370) is a specialized electrode developed for Direct Methanol Fuel Cells (DMFC). It uses platinum-ruthenium black (PtRu Black) as the catalyst, providing a very high specific surface area for the methanol oxidation reaction (MOR).
The catalyst is integrated with a porous MGL370 carbon paper substrate selected for conductivity and gas-diffusion behavior. Nafion is used as the binder to secure the catalyst layer and provide proton-conduction pathways through the electrode structure.
High-Surface-Area PtRu Black
Provides a large number of active sites for methanol oxidation.
CO-Tolerance Positioning
The Pt/Ru combination is used to mitigate CO poisoning during methanol oxidation.
MGL370 Carbon Paper
Provides conductive, porous support for gas/liquid diffusion and electrode structure.
Nafion Binder
Binds catalyst to the substrate while supporting proton conduction.
Electrode Structure & Material Features
PtRu Black catalyst, MGL370 carbon paper and Nafion binder
High Surface Area PtRu Black Catalyst
PtRu Black is optimized to provide a large number of catalytic sites for MOR. The platinum-ruthenium combination is positioned to improve methanol oxidation while reducing CO-poisoning effects.
MGL370 Carbon Paper Substrate
The supplied product description characterizes MGL370 as a hydrophobic microporous carbon paper with good electrical conductivity, gas diffusion and water-management capability.
Nafion Binder
Nafion secures PtRu Black to the carbon paper substrate while facilitating proton transport through the catalyst layer.
Hydrophobic Water Management
According to the supplied description, the carbon-paper substrate assists water transport and helps reduce flooding while maintaining gas access to the catalyst.
| Component | Material / Structure | Primary Function |
|---|---|---|
| Catalyst | High Surface Area PtRu Black | Methanol oxidation and high active-site availability |
| Pt/Ru System | PtRu (1:1) in listed price models | Pt-based catalysis with Ru-assisted CO tolerance |
| Carbon Paper | MGL370, typically ~0.4 mm in the listed models | Gas/liquid diffusion, conduction and mechanical support |
| Binder | Nafion | Catalyst binding and proton conduction |
Key Advantages
Performance advantages described for the E255c DMFC electrode system
Efficient Methanol Oxidation
High-surface-area PtRu Black provides abundant active sites for MOR and is positioned for efficient methanol conversion.
Enhanced Gas & Liquid Diffusion
The porous MGL370 structure supports transport of methanol, oxygen and reaction products through the electrode.
Improved Durability
PtRu Black is positioned for improved CO-poisoning resistance and stable DMFC electrode operation.
Proton Conductivity
Nafion supports proton transfer through the catalyst layer and helps reduce ionic transport resistance.
Catalyst Utilization
The high specific surface area of PtRu Black is intended to maximize the accessible catalyst surface within the electrode.
DMFC-Specific Design
The supplied product description positions E255c for DMFC challenges including methanol oxidation, fuel crossover, catalyst degradation and transport control.
Typical Applications
Direct methanol fuel-cell and methanol-based power-system development
Direct Methanol Fuel Cells
Designed for DMFC systems where the electrode facilitates the methanol oxidation reaction.
Portable Power Devices
Suitable for portable-power research involving mobile devices, laptops and small appliances.
Backup Power Systems
Applicable to backup-power development where reliability and longer-duration stability are important.
Stationary Power Generation
Can be used in stationary DMFC research, remote power systems and off-grid installations.
Product Summary
High Surface Area PtRu Black + MGL370 + Nafion for DMFC development
Catalyst Layer
PtRu Black provides the high-surface-area electrocatalytic interface.
Porous Substrate
MGL370 provides transport pathways, conduction and mechanical support.
Ionic Pathways
Nafion provides proton-conduction pathways and catalyst-layer cohesion.
DiffuCarb™ E255c Model / Specification / Price Table
USD pricing below follows the data supplied for this product
| Model / Catalyst System | Carbon Paper & Thickness | PtRu Loading | Catalyst | 5×5 cm² | 10×10 cm² | 15×15 cm² | 20×20 cm² |
|---|---|---|---|---|---|---|---|
| E255c · 1.0 mg/cm² · High Surface Area PtRu Black | 22BB, ~0.22 mm | 1.0 mg/cm² PtRu | High Surface Area PtRu (1:1) | $100 | $276 | $556 | $796 |
| E255c · 1.5 mg/cm² · High Surface Area PtRu Black | MGL370, ~0.4 mm | 1.5 mg/cm² PtRu | High Surface Area PtRu (1:1) | $110 | $316 | $636 | $856 |
| E255c · 2.0 mg/cm² · High Surface Area PtRu Black | MGL370, ~0.4 mm | 2.0 mg/cm² PtRu | High Surface Area PtRu (1:1) | $120 | $349 | $696 | $916 |
| E255c · 3.0 mg/cm² · High Surface Area PtRu Black | MGL370, ~0.4 mm | 3.0 mg/cm² PtRu | High Surface Area PtRu (1:1) | $140 | $396 | $796 | $1116 |
| E255c · 4.0 mg/cm² · High Surface Area PtRu Black | MGL370, ~0.4 mm | 4.0 mg/cm² PtRu | High Surface Area PtRu (1:1) | $156 | $456 | $912 | $1376 |
Custom Electrode Configuration
The following information can be customized according to user requirements
Catalyst Loading
Custom PtRu Black loading can be specified according to the target DMFC electrode design.
Catalyst Brand / Type / Model
Catalyst brand, catalyst family and specific model can be customized.
Ionomer / Binder
Ionomer or binder brand, model and ratio can be adjusted according to the required MEA structure.
Carbon Paper
Carbon-paper brand and model can be selected according to transport and water-management requirements.
International Orders & Shipping
For quotations, bulk orders, custom configurations or international procurement, contact SCI Materials Hub.
