Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Piercarlo Mustarelli"'
Autor:
Piercarlo Mustarelli, Pietro Boni, Marcella Bini, Irene Quinzeni, Giovanna Bruni, Doretta Capsoni
Publikováno v:
Solid State Ionics. 320:1-6
To improve the electrochemical performance of the LiNi 0.5 Mn 1.5 O 4 high voltage cathode for Lithium Ion Batteries, silicon-doped LiNi 0.5 Mn 1.5−x Si x O 4 samples (0.00 ≤ x ≤ 0.35) were prepared by different synthesis routes (solid-state re
Autor:
Pierpaolo Righetti, Eliana Quartarone, Davide Carlo Villa, Simone Angioni, Piercarlo Mustarelli
Publikováno v:
Fuel Cells. 13:98-103
Polybenzimidazole (PBI) is one of the polymers of choice to replace Nafion® in polymer fuel cells working at high temperature. In order to improve the membrane electrical properties, several monomer modifications are proposed, including sulfonation
Publikováno v:
Materials Sciences and Applications. :285-291
Sol-gel is a promising technique for the synthesis of organic-inorganic hybrid materials of class II. One of the most interesting applications for these hybrid materials is as solid polymer electrolytes (SPEs). In particular, when doped with proton s
Autor:
Corrado Tomasi, Luigi Garlaschelli, Pierpaolo Righetti, Federico Belotti, Piercarlo Mustarelli, M. Parachini, A. Carollo, Aldo Magistris, Eliana Quartarone, F. Maestroni
Publikováno v:
Journal of Power Sources. 160:175-180
The current goal on PEMFCs research points towards the optimization of devices working at temperatures above 100 °C and at low humidity levels. Acid-doped polybenzimidazoles are particularly appealing because of high proton conductivity without humi
Publikováno v:
Journal of Solid State Chemistry. 178:1692-1696
Y 0.99 Er 0.01 VO 4 and Lu 0.99 Er 0.01 VO 4 zircon-type compounds have been synthesized by solid-state reaction starting from the parent oxides. The obtained materials are single phase, well crystallized and homogeneous in the chemical composition.
Publikováno v:
Thermochimica Acta. 418:117-122
An attempt to prepare Ce- and La-doped SiO2–PbO glasses for applications as scintillators was realised via aerogel route. The synthesis has been optimised in order to obtain large massive samples required for this application. The effect of Pb in t
Autor:
Luca Mollica, Lorenzo Malavasi, Piercarlo Mustarelli, Giorgio Costa, Marco Scavini, A. Ubaldini, Paolo Mele, Maurizio Ferretti, R. Bianchi, Paolo Ghigna
Publikováno v:
International Journal of Modern Physics B. 17:936-941
We present here a study on the effect of Al doping on the stucture of SmBa 2 Cu 3-X Al X O 6+δ (Sm-123) superconductor. Electron MicroProbe Analysis (EMPA) and X-Ray Powder Diffraction (XRPD) have revealed that the limit of a aluminium solubility x
Publikováno v:
Journal of Sol-Gel Science and Technology. 26:915-918
Optical and structural properties of silica materials with controlled Ge-content were investigated in aerogels samples with Ge concentration up to 100000 molar ppm prepared by a sol-gel method and densified at 1150°C. An optical absorption band cent
Publikováno v:
Solid State Ionics. :713-717
Dielectric measurements have been carried out on (AgI)x(AgPO3)1� x glasses, with x=0, 0.2 and 0.5, from 10 Hz up to the microwave frequency region using a broadband dielectric technique up to 500 MHz and waveguide equipments up to 40 GHz. Awide par
Publikováno v:
Solid State Ionics. :217-221
The dielectric response of (GeO 2 ) x (SiO 2 ) 1− x glasses prepared from aerogels by means of a new sol–gel recipe has been studied by impedance spectroscopy. Ac conductivity measurements on silica glasses doped with GeO 2 in the range 10 −3