This data-file tabulates the pace of progress into developing water electrolysers for green hydrogen production, looking across 13,600 active patents globally.
Research activity has been increasing at a 19% CAGR over the past ten-years, although the pace of progress is still c10x slower than for other technologies such as lithium ion batteries.
Leading companies are compared, based on their pace of patent filings. Fifteen leaders are profiled in particular, including company details, technical parameters and where each company is focused.
Covered companies include H2B2, Haldor Topsoe, Honda, H-Tec, Hydrogenics, ITM Power, Joi Scientific, Kobelco, NEL, Panasonic, Siemens, Sunfire, Tianjin Mainland, Toshiba, Toyota, Verde and Yangzhou Zhongdian.