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Technology Assessment

  • Research Areas
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    • Life Cycle Assessment (LCA)
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Energy System Integration (ESI) Platform

The Energy System Integration (ESI) Platform, a real life demonstration comprising multiple energy conversion and storage system at PSI, offers research and industry an experimental platform where promising approaches can be tested in all their complex connections and interrelations. Consisting of a 100 kW Polymer Electrolyte Membrane (PEM) electrolyzer that converts renewable electricity to H2, two types of methanation units that take different carbon-containing feedstock, PEM fuel cell, a micro gas turbine, as well as storage of CO2, O2 and H2,  the ESI platform serves as a test-bed, allowing us to get deep know-hows about systems that can address several challenges in the energy transition, by utilizing surplus renewable electricity, reducing the mismatch of energy supply and demand and decarbonizing the energy system by producing low-carbon alternative fuels.

TA group is mainly responsible for assessing the life cycle environmental impacts and costs of power-to-hydrogen and power-to-methane considering different electrolysis technologies (alkaline, PEM), sources of CO2 (eg. captured from atmosphere, power plants with lignite/natural gas/wood pellets as fuel, cement plant), CO2 capture technologies (eg. pre-combustion capture, post-combustion capture, oxy-fuel combustion capture), methanation with CO2 or biogas from different types of biomass, end-use applications of product fuel in mobility and other applications.

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Project details

Funding: ETH-Rat
Commission for Technology & Innovation
Swiss Federal Office of Energy
Kanton Aargau
swisselectric Research

Researchers

Christian Bauer
Xiaojin Zhang

Partners

Swissgrid
Energie 360°
Siemens
Swiss Hydrogen

Project Website

ESI Platform

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