CPH2, a UK based electrolyzer manufacturer, claims to have figured out a superior electrolysis technology to the popular PEM (Proton Exchange Membrane), Alkaline and SOC (Solid Oxide Cell) alternatives, based around a membrane free concept coupled with cryogenic gas separation. Rethink had the chance to sit down with its Business Development Manager, Qamar Khan, at Enlit Europe 2022 in Frankfurt and explore its technology and business case. Formed in Ireland in 2012 by Dr Nigel Williamson and Joe Scott, CPH2 believes that it has found a way to deliver a truly green electrolysis technology which doesn’t rely on rare Earth metals such as Palladium or Platinum for membranes or powerful catalysts. CPH2’s electrolyzer is capable of taking in filtered tap…