DiffuCarb™ E002 IrOx Chemically Coated on Carbon Paper and DiffuCarb™ E002PT IrOx Chemically Coated on Platinized Carbon Paper

DiffuCarb™ E002 IrOx Chemically Coated on Carbon Paper and DiffuCarb™ E002PT IrOx Chemically Coated on platinized carbon paper are two crucial electrode materials widely used in water electrolysis, fuel cells, and other electrochemical devices. By loading iridium oxide (IrOx) onto a carbon paper or platinum-coated carbon paper substrate, these electrodes deliver high catalytic efficiency and stability, especially excelling in oxygen evolution reactions (OER). Below is a detailed description of these two materials:

1. DiffuCarb™ E002 IrOx Chemically Coated on Carbon Paper

1.1. Material Characteristics

• High Catalytic Activity: Known for its excellent OER catalytic performance, IrOx effectively lowers the overpotential for oxygen evolution, thus enhancing water electrolysis efficiency.
• Stability: IrOx demonstrates outstanding stability in both acidic and alkaline electrolytes, with strong corrosion resistance that allows the electrode to maintain performance over prolonged use.
• Good Conductivity: The carbon paper substrate offers high conductivity and mechanical strength, supporting efficient electron transfer and withstanding stress during operation.

1.2. Applications

• Water Electrolysis Systems: The IrOx/carbon paper electrode is widely used in proton exchange membrane (PEM) water electrolysis, anion exchange membrane (AEM) water electrolysis, and alkaline water electrolysis (ALK) systems as an anode catalyst material to facilitate oxygen evolution.
• Fuel Cells: This electrode material can also be applied to both cathodes and anodes in fuel cells, providing excellent electrochemical stability.

2.DiffuCarb™ E002PT IrOx Chemically Coated on platinized carbon paper

2.1. Material Characteristics

• Bimetallic Synergy: The platinum layer enhances conductivity and adds catalytic activity, creating a synergistic effect with IrOx that significantly improves OER performance. The platinum also enhances electron transfer efficiency.
• Increased Stability: The platinum coating offers additional chemical stability and corrosion resistance, extending the electrode’s lifespan in extreme environments, such as highly acidic or high-temperature conditions.
• Superior Conductivity and Ion Transport: The dual-layer structure optimizes porosity and surface activity, facilitating electrolyte infiltration and ion transport, thus improving the overall electrochemical reaction rate.

2.2. Applications

• High-Efficiency Water Electrolysis: The IrOx/platinum-coated carbon paper electrode performs excellently in PEM, AEM, and ALK water electrolysis systems, particularly under high current density conditions, where its high OER catalytic performance and stability make it ideal as an anode material.
• Applications in Harsh Conditions: With superior durability and corrosion resistance, IrOx/platinum-coated carbon paper is suitable for high-temperature water electrolysis systems and industrial electrolysis applications.

3. Comparison and Summary

3.1. Similarities

• High OER Catalytic Performance: Both electrode materials, centered on IrOx, exhibit outstanding oxygen evolution catalytic activity, suitable for applications in water electrolysis and fuel cells.
• Wide Range of Applications: Both IrOx/carbon paper and IrOx/platinum-coated carbon paper can be used in PEM, AEM, and ALK water electrolysis systems, showcasing good compatibility and versatility.

3.2. Differences

• Conductivity and Stability: The IrOx/platinized carbon paper electrode has higher conductivity and enhanced stability in strong acidic or high-temperature environments due to the platinum layer, making it suitable for more demanding operational conditions.
• Cost and Application Choice: IrOx/carbon paper is relatively cost-effective, fitting general water electrolysis applications, while IrOx/platininized carbon paper, despite its higher cost, excels in high-performance, high-durability requirements.

4. Conclusion

DiffuCarb™ E002 IrOx Chemically Coated on carbon paper and DiffuCarb™ E002PT IrOx Chemically Coated on platinized carbon paper are two highly promising electrode materials that can meet the demands of different electrochemical reaction systems. The choice between these electrodes depends on specific application environments and performance requirements, including factors like cost, conductivity, stability, and durability. These electrode materials play a critical role in advancing clean energy technologies.

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DiffuCarb™ E002PT IrOx Chemically Coated on Platininized Carbon Paper utilizes the corresponding platinized carbon paper based on raw carbon paper (with a default platinum loading of 0.1 mg/cm² Pt).

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Partial references citing our materials (from Google Scholar)

Carbon Dioxide Reduction

1. ACS Nano Strain Relaxation in Metal Alloy Catalysts Steers the Product Selectivity of Electrocatalytic CO₂ Reduction

The bipolar membrane (Fumasep FBM) in this paper was purchased from SCI Materials Hub, which was used in rechargeable Zn-CO₂ battery tests. The authors reported a strain relaxation strategy to determine lattice strains in bimetal MNi alloys (M = Pd, Ag, and Au) and realized an outstanding CO₂-to-CO Faradaic efficiency of 96.6% with outstanding activity and durability toward a Zn-CO₂ battery.

2. Front. Chem. Boosting Electrochemical Carbon Dioxide Reduction on Atomically Dispersed Nickel Catalyst

In this paper, Vulcan XC-72R was purchased from SCI Materials Hub. Vulcan XC 72R carbon is the most common catalyst support used in the anode and cathode electrodes of Polymer Electrolyte Membrane Fuel Cells (PEMFC), Direct Methanol Fuel Cells (DMFC), Alkaline Fuel Cells (AFC), Microbial Fuel Cells (MFC), Phosphoric Acid Fuel Cells (PAFC), and many more!

3. Adv. Mater. Partially Nitrided Ni Nanoclusters Achieve Energy-Efficient Electrocatalytic CO₂ Reduction to CO at Ultralow Overpotential

An AEM membrane (Sustainion X37-50 Grade RT, purchased from SCI Materials Hub) was activated in 1 M KOH for 24 h, washed with ultra-purity water prior to use.

4. Adv. Funct. Mater. Nanoconfined Molecular Catalysts in Integrated Gas Diffusion Electrodes for High-Current-Density CO₂ Electroreduction

In this paper (Supporting Information), an anion exchanged membrane (Fumasep FAB-PK-130 obtained from SCI Materials Hub (www.scimaterials.cn)) was used to separate the catholyte and anolyte chambers.

SCI Materials Hub: we also recommend our Fumasep FAB-PK-75 for the use in a flow cell.

5. Appl. Catal. B Efficient utilization of nickel single atoms for CO₂ electroreduction by constructing 3D interconnected nitrogen-doped carbon tube network

In this paper, the Nafion 117 membrane was obtained from SCI Materials Hub.

6. Vacuum Modulable Cu(0)/Cu(I)/Cu(II) sites of Cu/C catalysts derived from MOF for highly selective CO₂ electroreduction to hydrocarbons

In this paper, Proton exchange membrane (Nafion 117), Nafion D520, and Toray 060 carbon paper were purchased from SCI Materials Hub.

7. National Science Review Confinement of ionomer for electrocatalytic CO2 reduction reaction via efficient mass transfer pathways

An anion exchange membrane (PiperION-A15-HCO3) was obtained from SCI Materials Hub.

8. Catalysis Communications Facilitating CO2 electroreduction to C2H4 through facile regulating {100} & {111} grain boundary of Cu2O

Carbon paper (TGPH060), membrane solution (Nafion D520), and ionic membrane (Nafion N117) were obtained from Wuhu Eryi Material Technology Co., Ltd (a company under SCI Materials Hub).

Batteries

1. J. Mater. Chem. A Blocking polysulfides with a Janus Fe3C/N-CNF@RGO electrode via physiochemical confinement and catalytic conversion for high-performance lithium–sulfur batteries

Graphene oxide (GO) in this paper was obtained from SCI Materials Hub. The authors introduced a Janus Fe3C/N-CNF@RGO electrode consisting of 1D Fe3C decorated N-doped carbon nanofibers (Fe3C/N-CNFs) side and 2D reduced graphene oxide (RGO) side as the free-standing carrier of Li2S6 catholyte to improve the overall electrochemical performance of Li-S batteries.

2. Joule A high-voltage and stable zinc-air battery enabled by dual-hydrophobic-induced proton shuttle shielding

This paper used more than 10 kinds of materials from SCI Materials Hub and the authors gave detailed properity comparsion.

The commercial IEMs of Fumasep FAB-PK-130 and Nafion N117 were obtained from SCI Materials Hub.

Gas diffusion layers of GDL340 (CeTech) and SGL39BC (Sigracet) and Nafion dispersion (Nafion D520) were obtained from SCI Materials Hub.

Zn foil (100 mm thickness) and Zn powder were obtained from the SCI Materials Hub.

Commercial 20% Pt/C, 40% Pt/C and IrO2 catalysts were also obtained from SCI Materials Hub.

3. Journal of Energy Chemistry Vanadium oxide nanospheres encapsulated in N-doped carbon nanofibers with morphology and defect dual-engineering toward advanced aqueous zinc-ion batteries

In this paper, carbon cloth (W0S1011) was obtained from SCI Materials Hub. The flexible carbon cloth matrix guaranteed the stabilization of the electrode and improved the conductivity of the cathode.

4. Energy Storage Materials Defect-abundant commercializable 3D carbon papers for fabricating composite Li anode with high loading and long life

The 3D carbon paper (TGPH060 raw paper) were purchased from SCI Materials Hub.

5. Nanomaterials A Stable Rechargeable Aqueous Zn–Air Battery Enabled by Heterogeneous MoS2 Cathode Catalysts

Nafion D520 (5 wt%), and carbon paper (GDL340) were received from SCI-Materials-Hub.

6. SSRN An Axially Directed Cobalt-Phthalocyanine Covalent Organic Polymer as High-Efficient Bifunctional Catalyst for Zn-Air Battery

Carbon cloth (W0S1011) and other electrochemical consumables required for air cathode were provided by SCI Materials Hub.

Oxygen Reduction Reaction

1. J. Chem. Eng. Superior Efficiency Hydrogen Peroxide Production in Acidic Media through Epoxy Group Adjacent to Co-O/C Active Centers on Carbon Black

In this paper, Vulcan XC 72 carbon black, ion membrane (Nafion N115, 127 μL), Nafion solution (D520, 5 wt%), and carbon paper (AvCarb GDS 2230 and Spectracarb 2050A-1050) were purchased from SCI Materials Hub.

2. Journal of Colloid and Interface Science Gaining insight into the impact of electronic property and interface electrostatic field on ORR kinetics in alloy engineering via theoretical prognostication and experimental validation

The 20 wt% Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) were purchased from SCI Materials Hub. This work places emphasis on the kinetics of the ORR concerning Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) catalysts, and integrates theoretical prognostication and experimental validation to illuminate the fundamental principles of alloy engineering.

Water Electrolysis

1. International Journal of Hydrogen Energy Gold as an efficient hydrogen isotope separation catalyst in proton exchange membrane water electrolysis

The cathodic catalysts of Pt/C (20 wt%, 2–3 nm) and Au/C (20 wt%, 4–5 nm) were purchased from SCI Materials Hub.

2. Small Science Silver Compositing Boosts Water Electrolysis Activity and Durability of RuO2 in a Proton-Exchange-Membrane Water Electrolyzer

Two fiber felts (0.35 mm thickness, SCI Materials Hub) were used as the porous transport layers at both the cathode and the anode.

3. Advanced Functional Materials Hierarchical Crystalline/Amorphous Heterostructure MoNi/NiMoOx for Electrochemical Hydrogen Evolution with Industry-Level Activity and Stability

Anion-exchange membrane (FAA-3-PK-130) was obtained from SCI Materials Hub website.

Fuel Cells

1. Polymer Sub-two-micron ultrathin proton exchange membrane with reinforced mechanical strength

Gas diffusion electrode (60% Pt/C, Carbon paper) was purchased from SCI Materials Hub.

Characterization

1. Chemical Engineering Journal Electrochemical reconstitution of Prussian blue analogue for coupling furfural electro-oxidation with photo-assisted hydrogen evolution reaction

An Au nanoparticle film was deposited on the total reflecting plane of a single reflection ATR crystal (SCI Materials Hub, Wuhu, China) via sputter coater.