Research Activity per Year


Personal Profile

Bertrand Tremolet de Villers is a principal researcher in Process Science and Engineering Group within the Materials, Chemical, and Computational Science Directorate. He has physics and spectroscopy expertise in organic and hybrid-organic photovoltaic and energy storage systems, i.e., Li-ion batteries, and the scale up of these technologies. He has developed in-situ spectroscopic methods to study solid-electrolyte interfaces and electrolyte solvation structure in silicon anodes and next-gen high-nickel/low-cobalt cathodes for rechargeable cells. He has also implemented high-throughput ultrafast laser patterning for monolithic interconnects of thin-film photovoltaic modules and for rechargeable ion battery electrodes for enhanced performance.

Research Interests

Professional Experience

Postdoctoral Researcher, National Center for Photovoltaics, National Renewable Energy Laboratory (2013–2016)

Postdoctoral Researcher, Materials Department, University of California, Santa Barbara (2011–2013) 

Education/Academic Qualification

PhD, Physical Chemistry, University of California Los Angeles

Bachelor, Materials Chemistry, University of California Los Angeles


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Collaborations and Top Research Areas From the Past 5 Years

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