{"id":9447,"date":"2026-02-12T17:13:28","date_gmt":"2026-02-12T16:13:28","guid":{"rendered":"https:\/\/www.aee-intec.at\/project\/sophie-spektrum-optimierte-photochemie-zur-erweiterung-von-pvt-bzw-pv-pec-systemen-fuer-intelligente-energieproduktion\/"},"modified":"2026-04-17T08:11:07","modified_gmt":"2026-04-17T06:11:07","slug":"sophie-spektrum-optimierte-photochemie-zur-erweiterung-von-pvt-bzw-pv-pec-systemen-fuer-intelligente-energieproduktion","status":"publish","type":"project","link":"https:\/\/www.aee-intec.at\/en\/project\/sophie-spektrum-optimierte-photochemie-zur-erweiterung-von-pvt-bzw-pv-pec-systemen-fuer-intelligente-energieproduktion\/","title":{"rendered":"SOPHIE &#8211; Spektrum-optimierte Photochemie zur Erweiterung von PVT bzw. PV-PEC Systemen f\u00fcr intelligente Energieproduktion"},"content":{"rendered":"\n<p>The demand for green hydrogen, which is currently less than 1 Mt\/a, is expected to rise to up to 400 Mt\/a by<br\/>2050 (IEA Net Zero Scenario). To meet this demand for green fuels and, in the future, chemicals, widely<br\/>available raw materials are required. The direct use of sunlight in photochemical processes to produce<br\/>hydrogen, fuels, and chemicals from water (including wastewater) could become a key technology of the future.<br\/>A crucial challenge in this context is area efficiency, ensuring that the required solar surfaces are used as<br\/>effectively as possible. While PV technology can already convert more than 20% of sunlight into electricity,<br\/>direct photochemical processes (including photoelectrochemistry) typically achieve less than 10% (in some<br\/>cases up to 15\u201320%). To make a relevant contribution to area-efficient energy production, these efficiencies<br\/>must be significantly increased. One approach is not only to further develop the processes but also to integrate<br\/>them into combined systems.<br\/>The SOPHIE project aims to develop a hybrid multi-product collector that optimally utilizes the entire solar<br\/>spectrum. Through innovative spectral splitting, three energy conversion processes are simultaneously<br\/>integrated:      <\/p>\n\n<ol class=\"wp-block-list\">\n<li>Photoelectrochemical (PEC) hydrogen production (\u2039700 nm)<\/li>\n\n\n\n<li>Photovoltaic (PV) power generation (700\u20131100 nm)<\/li>\n\n\n\n<li>Solar thermal (ST) heat utilization (\u203a1100 nm)<br\/><\/li>\n<\/ol>\n\n<p><\/p>\n\n<p>This approach could achieve &#8220;solar-to-multiproduct&#8221; efficiencies of \u203a 75% and enable area-effective solar<br\/>energy production.<br\/>SOPHIE builds on existing expertise in PV, PEC, and concentrated ST technology (including their<br\/>combinations, such as PVT) and integrates these technologies into a highly efficient hybrid multi-product solar<br\/>collector. The innovative aspects include a spectral splitting method for targeted light distribution, further<br\/>development of the combined technologies, as well as the design, implementation, and proof-of-concept of an<br\/>initial prototype at the laboratory scale (TRL \u203a 5).<br\/>The proof-of-concept is based on hydrogen production, with the collector also being adaptable for industrial<br\/>parks with CO\u2082 sources for CCU processes, depending on location and local needs. Thus, SOPHIE makes a<br\/>significant contribution to future decentralized and regional solar energy and chemical production and supply,<br\/>thereby playing an essential role in the energy transition.  <\/p>\n","protected":false},"author":1,"featured_media":9450,"parent":0,"menu_order":0,"template":"","class_list":["post-9447","project","type-project","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SOPHIE - Spektrum-optimierte Photochemie zur Erweiterung von PVT bzw. 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