Christophe BallifChristophe Ballif is director of the Phototovoltaics and Thin Film Electronics Laboratoryb) (PV-Lab at the institute of microengineering (IMT) in Neuchâtel (part of the EPFL since 2009). The lab focus is on the science and technology of high efficiency heterojunction crystalline cells,so-called passivating contacts for solar cells, multi-junction solar cells include novel generation Perovskite on innovative optical high speed detector and on various macroelectronics application. It also deals with energy management with a focus on integration of solar electricity into the energy system. The PV-Lab has strongly contributed to technology transfer and industrialization of novel devices and full technology with numerous companies. Christophe Ballif graduated as a physicist from the EPFL in 1994, where he also obtained in 1998 his Phd degree working on novel PV materials. He accomplished his postdoctoral research at NREL (Golden, US) on compound semiconductor solar cells (CIGS and CdTe). He worked then at the Fraunhofer ISE (Ge) on crystalline silicon photovoltaics (monocrystalline and multi-crystalline) until 2003 and then at the EMPA in Thun (CH) before becoming full professor at the University of Neuchâtel IMT in 2004, taking over the chair of Prof. A. Shah. Since 2013, C.Ballif is also the director of the new CSEM PV-Center, also located in Neuchâtel. The CSEM PV-Center is focussing more on industrialisation and technology transfer in the field of solar energy, including solar electricity management and storage. At the core of the CSEM PV-center activities lies several "pilot lines" for various kinds of solar cells manufacturing, with a focus coating technologies, wet chemistry processes for crystalline silicon, metalisation techniques for solar cells, and a platform for developing "ideal packaging solutions and polymers" for PV modules. In addition, joined facitilites between CSEM and EPFL of over 800 m2 are available for modules manufacturing, measuring and accelerated aging. CSEM PV-center has also full team dedicated to storage and energy systems and operates a joined center with BFH in Biel for research on electrochemical storage. He (co-) authored over 500 journal and technical papers, as well as several patents. He is an elected member of the SATW, member of the scientific council of the Swiss AEE, and member of the board of the EPFL Energy center. In 2016, he recieved the Becquerel prize for his contributions to the field of high efficiency photovoltaics.
Giovanni De CesareExpertise
Simulation numérique et modélisation physique d'ouvrages et aménagements hydrauliques; sédimentation des réservoirs et courants de turbidité; gestion de l'alluvionnement des retenues; mesure des écoulements par ulstrason à effet Doppler; travaux d'aménagement fluvial et revitalisation; génie biologique; écomorphologie fluviale; écoulements transitoires rapides dans les conduite sous pression; transfer de technologie et expertise en hydraulique appliquée, constructions et infrastructures hydrauliqu
Jonas SchnidrigExpertise
Sustainable Energy system modellingLife Cycle AssessmentRenewable energy planningRational Use of EnergyThermoeconomic optimisationRenewable Energy
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Avis d'experts (RTS)
As a dedicated Researcher and Lecturer at EPFL & HES-So Valais Wallis, I am deeply engaged in energy system modeling and urban and national system optimization. My academic journey began in the capital of Valais, Switzerland, and has been driven by a passion for cultural diversity and a steadfast commitment to add
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Tuong-Van NguyenEnseignement et PhD Cours Energy conversion and renewable energy ME-409 Le cours donne un aperçu (i) du système énergétique actuel, (ii) des principes techniques des systèmes de conversion d'énergie (fossiles, nucléaires et renouvelables), et (iii) de leurs aspects économiques et environnementaux. La transition énergétique : défis et opportunités HUM-293 Ce cours porte sur la transition énergétique d'un système fondé sur les énergies fossiles vers un modèle reposant sur des s
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Michael GraetzelProfessor of Physical Chemistry at the Ecole polytechnique fédérale de Lausanne (EPFL) Michael Graetzel, PhD, directs there the Laboratory of Photonics and Interfaces. He pioneered research on energy and electron transfer reactions in mesoscopic systems and their use to generate electricity and fuels from sunlight. He invented mesoscopic injection solar cells, one key embodiment of which is the dye-sensitized solar cell (DSC). DSCs are meanwhile commercially produced at the multi-MW-scale and created a number of new applications in particular as lightweight power supplies for portable electronic devices and in building integrated photovoltaics. They engendered perovskite solar cells (PSCs) which turned into the most exciting break-through in the history of photovoltaics. He received a number of prestigious awards, of which the most recent ones include the RusNANO Prize, the Zewail Prize in Molecular Science, the Global Energy Prize, the Millennium Technology Grand Prize, the Marcel Benoist Prize, the King Faisal International Science Prize, the Einstein World Award of Science and the Balzan Prize. He is a Fellow of several learned societies and holds eleven honorary doctor’s degrees from European and Asian Universities. His over 1500 publications have received some 220’000 citations with an h-factor of 218 (SI-Web of Science) demonstrating the strong impact of his scientific work.
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