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| Home > Publications database > Silicon based photovoltaic-electrochemical systems for solar fuel production |
| Conference Presentation (Invited) | FZJ-2020-01119 |
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2020
Abstract: Generation of chemical fuel from sources other than fossil, such as oil, gas and coal, will be a major topic in any future energy scenarios. Popular approaches already studied worldwide with considerable effort are electrolysis of water into hydrogen and oxygen and generation of higher carbon-related compounds starting with the reduction of carbon dioxide in a kind of artificial leaf device. A straightforward method is the water electrolysis. Such transformation should preferably be powered by renewable energy sources like wind and solar. With a so-called “wired” approach one can use a locally remote power source and connect it to an electrolyzer. As an alternative one can imagine an integrated system of a solar cell or module combined with an electrochemical cell as a stand-alone unit.We have investigated this latter approach using thin film silicon and crystalline silicon based photovoltaic (PV) systems in combination with an electrochemical cell (EC). We will describe the development of such combined PV-EC systems, their performance and challenges related with efficiency, stability and up-scaling to larger areas.
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