Gas diffusion electrode for use in e.g. batteries, has hydrophobic structure, gas distribution structure and electron lead structure, where hydrophobic structure is produced by pulsed laser radiation

摘要

The electrode has a hydrophobic structure, a gas distribution structure and electron lead structure, where the hydrophobic structure is produced by pulsed laser radiation. The hydrophobic structure corresponds to surface area geometry of black silicon, where a surface area of the hydrophobic structure forms a chemical dense passivation against possible corrosive effects of adjacent electrolytes. The surface area of the hydrophobic structure includes catalyzers for electrochemical reactions, and the electron lead structure consists of a gas guiding channel.