Green hydrogen generation by water electrolysis: innovative material development by plasma coating technologies

Place: conference room, IMDEA Nanociencia.

Abstract:

Climate change is the biggest challenge of our times. And it is an opportunity to build a new economic model. The European Green Deal set the blueprint for this transformational change. All 27 EU Member States committed to turning the EU into the first climate neutral continent by 2050. To get there, they pledged to reduce emissions by at least 55% by 2030, compared to 1990 levels. Similarly, the number of countries announcing pledges to achieve net zero emissions (NZE) over the coming decades continues to grow. NZE accomplishment by 2050 requires huge leaps in clean energy innovation where biggest opportunities concern batteries, hydrogen electrolysers and direct air capture storage. Key milestones in the pathway to NZE identified by the IEA (International Energy Agency) are the installation of 850 GW and 3000 GW electrolyser capacity by 2030 and 2050, respectively, up from around 0.3 GW today. To reach 2030 targets, 100 GW/year electrolyser capacity must be installed during this decade. At European level, the installation of around 80 GW electrolyser capacity by 2030 that would generate 10 million tons of green H2 is expected according to a European Green Deal A 2x40 GW Initiative and REPowerEU plans.

To achieve such ambitious objectives, water electrolysis technologies must reach mass market deployment. In addition to regulations and market design, the cost of green hydrogen produced must be competitive with grey hydrogen generated using Methane Steam Reforming (SMR). To produce competitive green hydrogen at required capacity, low renewable electricity price is necessary but an aggressive CAPEX and OPEX reduction is essential, besides industrialization of GW-size electrolyser manufacturing processes.

This presentation will give an overview of the multiple options of materials synthesized by plasma coating technologies to cover the huge demand of protective coating fabrication for bipolar plates and porous transport layers and catalyst layer deposition for next generation electrodes in low temperature water electrolysers.

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