August 17, 2025Global ChallengesOpen Access

Techno‐Economic and Profitability Assessment of Stand‐Alone Photoelectrochemical Hydrogen Generation Technology

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Techno-economic analysis shows potential for reduced hydrogen costs in Germany, highlighting efficiency improvements.

Achieving a target hydrogen cost of €2/kg is feasible with proposed enhancements to efficiency and reactor lifespan.
The levelized cost of hydrogen for the PEC system is calculated as €83.71/kg based on a 5% efficiency rate.
A detailed cost structure for the photoelectrochemical reactor indicates total costs around €94.19 with a 500 cm² area.
Sensitivity analysis identifies hydrogen production and lifecycle as critical factors influencing commercial viability.

Yang et al. (2025) studied this question.

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