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Title:

Fraunhofer ISE achieves 31.3% record solar-to-hydrogen efficiency in CPV electrolysis

Detail:

Researchers at the German institute built a photovoltaic water electrolysis system based on micro-concentrator photovoltaics coupled to proton exchange membrane electrolysis. Outdoor testing demonstrated a record solar-to-hydrogen efficiency of 31.3%, achieved by a four-junction CPV system driving two PEM cells in series under real operating conditions.

Country:

International

Source:

PV-Magazine

Published Date:

14.05.2026

URL:

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Africa Asia Australia Europe North America Oceania South America

Sectors:

Non-Renewable Energy Solar Photovoltaic PV Energy Construction Energy-Power and Electrical Computer Hardwares and Consumables Petroleum Products

Project News Details

Title	Fraunhofer ISE achieves 31.3% record solar-to-hydrogen efficiency in CPV electrolysis
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Detail	Researchers at the German institute built a photovoltaic water electrolysis system based on micro-concentrator photovoltaics coupled to proton exchange membrane electrolysis. Outdoor testing demonstrated a record solar-to-hydrogen efficiency of 31.3%, achieved by a four-junction CPV system driving two PEM cells in series under real operating conditions.
Country	International
Source	PV-Magazine
Regions	Africa Asia Australia Europe North America Oceania South America
Sectors	Non-Renewable Energy Solar Photovoltaic PV Energy Construction Energy-Power and Electrical Computer Hardwares and Consumables Petroleum Products
Published Date	14.05.2026
Original Url	Original Url
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Title
Fraunhofer ISE achieves 31.3% record solar-to-hydrogen efficiency in CPV electrolysis
Detail
Researchers at the German institute built a photovoltaic water electrolysis system based on micro-concentrator photovoltaics coupled to proton exchange membrane electrolysis. Outdoor testing demonstrated a record solar-to-hydrogen efficiency of 31.3%, achieved by a four-junction CPV system driving two PEM cells in series under real operating conditions.
Country
International
Source
PV-Magazine
Regions
Africa Asia Australia Europe North America Oceania South America
Sectors
Non-Renewable Energy Solar Photovoltaic PV Energy Construction Energy-Power and Electrical Computer Hardwares and Consumables Petroleum Products
Published Date
14.05.2026
Original Url
View Original Url
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Fraunhofer ISE achieves 31.3% record solar-to-hydrogen efficiency in CPV electrolysis

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Fraunhofer ISE achieves 31.3% record solar-to-hydrogen efficiency in CPV electrolysis

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