Cawd-329 |link| ❲Fast | 2027❳

| Step | Description | |------|-------------| | | CO₂ molecules bind to Cu⁺ sites via a η¹‑CO₂ coordination. The adjacent hydroxyl groups stabilize the intermediate. | | Electron transfer | Upon applying a modest voltage (or illumination with visible light in the photo‑electrochemical variant), electrons flow from the external circuit to the copper sites, reducing Cu⁺ → Cu⁰. | | Protonation | Water splits on the copper surface, delivering protons (H⁺) and additional electrons. | | C–O bond cleavage | The formate intermediate is formed, then hydrogenated to formaldehyde and finally to methanol . | | Desorption | Methanol, being less polar than CO₂, diffuses out of the pores and is collected downstream. |

| Parameter | Typical Value | Impact | |-----------|----------------|--------| | | 1–5 bar (flue‑gas pressure) | Higher pressure boosts CO₂ uptake but modestly raises equipment cost. | | Temperature | 30–80 °C | Balances adsorption capacity and catalytic rate; optimal around 55 °C. | | Current density | 10–30 mA cm⁻² | Directly proportional to methanol production rate. | | Cycle time | Continuous (steady‑state) | No regeneration step required; the material self‑cleans via periodic polarity reversal. | cawd-329

If the early pilots are any indication, we are on the cusp of that can deliver clean methanol —a versatile fuel and chemical feedstock—while sequestering carbon in a closed‑loop system powered by renewables. | Step | Description | |------|-------------| | |

Because the oxygen produced is pure, it can be vented safely or used for ancillary processes (e.g., combustion enhancement). | | Protonation | Water splits on the