Green Hydrogen Production via Photoelectrochemical Cells

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Green hydrogen production using photoelectrochemical (PEC) cells is gaining strong research attention as a sustainable pathway for clean energy generation. PEC cells directly convert solar energy into chemical energy by splitting water into hydrogen and oxygen using semiconductor photoelectrodes. This process eliminates the need for external electrical power, enabling a compact and environmentally friendly hydrogen production system with zero carbon emissions.



The core research challenge in PEC-based hydrogen generation lies in the development of stable, efficient, and cost-effective photoelectrode materials. Metal oxides, III–V semiconductors, and emerging perovskite-based materials are being explored to enhance light absorption, charge separation, and catalytic activity. Surface modification, heterojunction design, and protective coatings are critical strategies to improve photochemical stability and prevent corrosion in aqueous environments. Additionally, optimizing electrolyte composition and cell architecture plays a key role in improving overall solar-to-hydrogen conversion efficiency.

Green hydrogen produced through PEC cells has significant potential for applications in fuel cells, industrial processes, energy storage, and transportation. Continued advancements in materials science and device engineering are essential to overcome limitations related to efficiency, durability, and large-scale deployment, positioning PEC technology as a key contributor to the future hydrogen economy.

Hashtags:
#GreenHydrogen #PhotoelectrochemicalCells #HydrogenEnergy #SolarFuel #RenewableEnergy #CleanEnergyTechnology #WaterSplitting #SustainableEnergy #HydrogenEconomy

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