Coupling PV-powered electrochemical water splitting with battery storage

A German research team has developed a photovoltaic-electrochemical device for alkaline water electrolysis that can be linked to battery storage. The proposed system configuration can not only smoothen out the PV power fluctuations and facilitate power coupling, but also improve solar to hydrogen efficiency.A recent study conducted by scientists from Germany's Jülich Institute for Energy and Climate Research (IEK-5) proposes the integration of battery storage into systems for hydrogen production relying on PV-powered water splitting electrochemical (EC) cells. According to the researchers, directly ...

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