Green hydrogen with PEC electrolyzers: New insights into transport processes

One method of storing solar energy is to use PEC electrolyzers to produce hydrogen. However, scaling up this technology remains challenging. Now, a team at the HZB Institute for Solar Fuels has used 2D fluorescence imaging and particle velocimetry to observe the movement of ions and dissolved gases within the electrolyte during electrolysis. These new insights, published in EES Solar, may prove useful in developing larger PEC electrolyzers.

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