Plasma-derived atomic hydrogen (PDAH) enables low-temperature carbon dioxide methanation reaction through the Eley−Rideal-type reaction channel, improving methane yield at low temperatures, as shown by scientists at Science Tokyo. Plasma-derived atomic hydrogen (PDAH) enables low-temperature carbon dioxide methanation reaction through the Eley−Rideal-type reaction channel, improving methane yield at low temperatures, as shown by scientists at Science Tokyo. Analytical Chemistry Materials Science Phys.org – latest science and technology news stories