Trends in electrolysers for hydrogen production

From 2005 to 2020, 10 894 patent families related to the electrolysis of water were published worldwide, with an average annual increase of 18%. In 2016, the number of patent families related to water electrolysis surpassed the number of patents related to solid or liquid coal- and oil-based hydrogen sources. By 2020, it was double that number. Patent applications from […]