INVESTIGADORES
VISINTIN Arnaldo
congresos y reuniones científicas
Título:
DYNAMIC MONITORING OF STRUCTURAL CHANGES IN POROUS NICKEL HYDROXIDE ELECTRODES EMPLOYED IN BATTERIES.
Autor/es:
M.G. ORTIZ; S. G. REAL; D. BACKER; G. GARAVENTTA; A, VISINTIN; E. B. CASTRO
Lugar:
Algarve- Portugal
Reunión:
Congreso; 8th International Symposium on Electrochemical Impedacne Spectroscopy; 2010
Institución organizadora:
8th International Symposium on Electrochemical Impedacne Spectroscopy
Resumen:
A common feature of rechargeable batteries such as Ni/Cd, Ni/MH and Ni/H2 is the nickel hydroxide active material used as positive electrode. The nickel hydroxide electrode is the essential limiting factor in the overall battery energy density. The electrochemical energy storage in the nickel hydroxide electrodes is related to the reversible insertion of H into the nickel hydroxide/oxihydroxide. The goal in the present work is to explore the use of the electrochemical impedance spectroscopy technique as a tool to characterize the dynamic behavior of porous nickel hydroxide electrodes obtained with different preparation methods and accordingly to compare their performances.
