Electrochemical Water Splitting for Scale Hydrogen Production: From the Laboratory to Industrial Applications

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Abstract
Hydrogen energy is an important carrier for global energy transformation and development due to its advantages of rich sources, green and carbon‐free, and wide application. The generation of clean hydrogen can be achieved through electrochemical water splitting driven by renewable energy, which has gained wide attention, but its large‐scale industrial application still faces challenges. This review summarizes the research status and bottleneck of industrial hydrogen production via electrolysis in developing electrocatalysts and optimizing electrolytic systems. It highlights that the deviation of electrocatalysts developed in the laboratory and their industrial application in the working environment and evaluation indicators should be corrected. Combining material recycling from solid waste with the recyclable design of electrocatalysts is necessary to achieve low‐cost and sustainable production of high‐performance electrocatalysts. In addition, the future design of hybrid water electrolysis with low energy consumption and the ecological cycle issues that should be addressed in the industrial water electrolysis system are discussed.
Funding Information
  • National Natural Science Foundation of China (52361039, 21962008)

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