Hydrogen patents for a clean energy future: a global trend analysis of innovation along hydrogen value chains

Hydrogen technology development is shifting towards low-emissions solutions such as electrolysis, according to this joint study of patents by the European Patent Office (EPO) and the International Energy Agency (IEA). The report is the first of its kind and uses global patent data to provide comprehensive up-to-date analysis of innovation in all hydrogen technologies. It covers the full range of technologies, from hydrogen supply to storage, distribution and transformation, as well as end-use applications.