Postdoctoral researcher Juan Forero-Saboya has received a Marie Curie Fellowship (MSCA) to carry out the NoF-LIME project, which will be coordinated from the Basque center by Scientific Director Montse Casas-Cabanas as Principal Investigator.

CIC energiGUNE, a leading Basque research center in electrochemical energy storage and conversion and thermal energy storage and conversion, will promote the development of innovative electrolytes for fluorine-free lithium-metal batteries, which will improve their efficiency and, above all, their sustainability by reducing their environmental impact. The launch of this initiative is a direct consequence of the award of a Marie Curie Fellowship (MSCA) to CIC energiGUNE postdoctoral researcher Juan Forero-Saboya to launch the NoF-LIME project, led by the Basque center and in which Boston College and the Massachusetts Institute of Technology (MIT) collaborate.

"The combination of expertise and the focus on a more sustainable and environmentally friendly electrolyte could mark a significant change in the development of next-generation batteries" announced CIC energiGUNE´s Scientific Director, Montse Casas-Cabanas, who will serve as Juan Forero-Saboya´s supervisor at the Basque center. "We are convinced that the success of this project will mark a substantial leap from the conventional reliance on fluorine-rich compounds, showing the potential to formulate more sustainable electrolytes," she said.

Juan Forero-Saboya, who is part of the Organic and Hybrid Materials Research Groups at CIC energiGUNE, will start the development of the NoF-LIME project at Boston College. During the first 8 months, he will work on the design and synthesis of novel salts for the electrolyte at Boston College, under the supervision of Dr. Alexis Grimaud, a specialist in electrolyte formulation and evaluation.

Subsequently, Dr. Forero-Saboya will move to MIT, where he will develop advanced methods for quantification and analysis of the solid-electrolyte interface. At the renowned American center he will have the collaboration and supervision of Professor Betar Gallant, expert in SEI (solid electrolyte interface) analysis and quantification. Finally, Forero-Saboya will return to Vitoria-Gasteiz to carry out assembly and testing of complete cells.

What is really interesting about this project is that it not only seeks to innovate in the scientific field through the use of non-fluorinated salts in lithium-metal batteries, but also to train an elite researcher in the field of electrolytes, providing him with cutting-edge technical and practical skills in collaboration with centers of international prestige," said Nuria Gisbert, General Manager of CIC energiGUNE. "In this way, we strengthen CIC energiGUNE´s position as a reference in the sector, both in terms of projects and research personnel," she said.

The NoF-LIME project aims to be a turning point against current trends in electrolyte engineering for lithium-metal batteries, which focus on fluoride salts and additives. In this regard, recent studies suggest that Li2O could be a more desirable SEI component. Thus, NoF-LiME seeks to change the paradigm by focusing on fluoride-free salts for electrolytes, leading to more sustainable and environmentally friendly elements.

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