Bernoulli's principle-mediated Cl<sub>2</sub> electrosynthesis.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 41580408.
- Also identified by DOI 10.1038/s41467-025-66643-6 and PMC identifier 12852893.
- Licence recorded as CC BY.
- The licence permits redistribution, so the abstract is shown in full and the full text is available from the publisher.
Abstract
Existing technologies for chlorine (Cl<sub>2</sub>) synthesis are generally suffered from low productivity or high production cost. Guided by Bernoulli's principle, here we report an efficient yet cost-effective electrochemical system for Cl<sub>2</sub> electrosynthesis, which is composed of anodic chlorine evolution reaction (CER) connected to gas chamber by triple-phase gas diffusion layer. The key is to modulate gas diffusion layer by Bernoulli's principle, wherein the pressure difference at triple-phase boundary drives oriented Cl<sub>2</sub> migration directly into gas chamber, thus preventing the crossover of anodic/cathodic products. By further joining with a pH-tolerant catalyst, a standalone prototype device is built for high-rate Cl<sub>2</sub> production, operating at the Faradaic efficiencies of 96.3% ~ 87.6% in the current density range of 0.1 ~ 1.14 A cm<sup>-2</sup>, having superior Cl<sub>2</sub> synthesis performance. Further technical-economic evaluations of our synthetic scheme demonstrate reduced Cl<sub>2</sub> production cost, saving 6.75% (1.17 million dollar per year) as comparison to conventional chlor-alkali design. We expect these findings offer broader opportunities to develop industrially production processes for other chemical commodities.