Dr. Fabio Ronci

Several types of lithium ion conducting polymer electrolytes have been synthesized by hot‐pressing homogeneous mixtures of the components, namely, poly(ethylene oxide) (PEO) as the polymer matrix, lithium trifluoromethane sulfonate , and lithium tetrafluoborate , respectively, as the lithium salt, and lithium gamma‐aluminate , as a ceramic filler. This preparation procedure avoids any step including liquids so that plasticizer‐free, composite polymer electrolytes can be obtained. These electrolyte have enhanced electrochemical properties, such as an ionic conductivity of the order of at 80–90°C and an anodic breakdown voltage higher than 4 V vs. Li. In addition, and most importantly, the combination of the dry feature of the synthesis procedure with the dispersion of the ceramic powder, concurs to provide these composite electrolytes with an exceptionally high stability with the lithium metal electrode. In fact, this electrode cycles in these dry polymer electrolytes with a very high efficiency, i.e., approaching 99%. This in turn suggests the suitability of the electrolytes for the fabrication of improved rechargeable lithium polymer batteries.

1 March 2001 in Journal of Power Sources

Journal Article

A FTIR and Raman study of spontaneous reactions occurring at the LiNiyCo(1−y)O2 electrode/non-aqueous electrolyte interface

D Ostrovskii

Fabio Ronci

B Scrosati

P Jacobsson

25 June 2007 in Applied Physics Letters

Journal Article

Formation of a one-dimensional grating at the molecular scale by self-assembly of straight silicon nanowires

H. Sahaf

L. Masson

C. Léandri

B. Aufray

G. Le Lay

Fabio Ronci

Upon submonolayer deposition of silicon onto the anisotropic silver (110) surface flat lying individual Si nanowires, all oriented along the

[- 110]

direction, can be grown at room temperature with a high aspect ratio. Upon deposition at

\sim 200 ° C

, these one-dimensional nanostructures self-assemble by lateral compaction to form a regular array of essentially identical nanowires,

\sim 1.6 nm

in width, covering uniformly the entire substrate surface. They realize, at macroscopic sizes, a highly perfect one-dimensional grating with a molecular-scale pitch of just

2 nm

About Me

Dr. Fabio Ronci started his research career at the University of Rome "La Sapienza", where he obtained a Master's degree in Chemistry and a Doctorate in Materials Science. During this period, he specialised in electrochemistry within the group of Prof. Bruno Scrosati, focusing on the study of intercalation materials for lithium-ion batteries. Additionally, he also focused on the operando study of the crystalline structure variations of electrode materials. Since joining the Italian National Research Council (CNR) in 2001, he has predominantly worked in surface physics, specifically investigating the structural and electronic properties of materials and interfaces synthesised in Ultra High Vacuum (UHV) conditions, such as 2D materials (graphene, silicene, antimonene…), inorganic semiconductor/metal interfaces and hybrid organic/inorganic interfaces. The main characterization techniques he commonly uses are scanning tunneling microscopy and spectroscopy (STM/STS), low-energy electron diffraction (LEED) and Auger electron spectroscopy (AES). Recently he has resumed his research activity in the field of electrochemical storage devices, focusing on the study of aqueous zinc-ion batteries.

Dr. Fabio Ronci

Dr. Fabio Ronci

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About Me