These anodes catalyze the oxygen evolution reaction (OER), in which water is oxidized to oxygen, on the anode half of a CO₂ electrolyzer; while CO₂ is reduced at the cathode, the anode balances the electron flow. The substrate is 200 µm hydrophobic carbon paper carrying an IrO₂ or IrOₓ catalyst at a default loading of 2 mg cm⁻². Size is 10 × 10 cm.
The codes indicate medium suitability: CCI for neutral/acidic and CLK for neutral/alkaline systems. The product is designed for MEA electrolyzers. One important note: carbon-based materials can oxidize and wear over time at high anodic potentials, which is why titanium is usually preferred as the carrier in water-electrolysis anodes. For long-duration tests, also consider the titanium-felt anode option.
| Product type | CO₂RR anode electrode (OER) |
| Substrate | Hydrophobic carbon paper, 200 µm |
| Size | 10 × 10 cm (100 cm²) |
| Catalyst options | IrO₂, IrOₓ |
| Catalyst loading | 2 mg cm⁻² (default) |
| Medium codes | CCI: neutral/acidic; CLK: neutral/alkaline |
| Cell compatibility | MEA electrolyzer systems; performance may differ under other cell conditions |
| Catalyst layer | Powder system, non-conventional sintering process; a small amount of shedding may occur after repeated disassembly |
| Substrate note | Carbon-based substrates can wear over time at high anodic potentials |
| Note | Performance depends on test conditions and is for reference only; preparation process and testing services are not included |
| Model | Description |
| IrO₂-CCI (Neutral / Acidic) | For neutral/acidic systems |
| IrO₂-CLK (Neutral / Alkaline) | For neutral/alkaline systems |
| IrOₓ-CCI (Neutral / Acidic) | For neutral/acidic systems |
| IrOₓ-CLK (Neutral / Alkaline) | For neutral/alkaline systems |
For sizes and specifications not listed above, you can request a custom quotation through the Quote Form.
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