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Li Batteries with Porous Sol-Gel Cathodes

Published online by Cambridge University Press:  26 February 2011

Antonela Dima ,
Maurizio Casalino ,
Francesco Della Corte  and
Ivo Rendina
Antonela Dima
Affiliation:
antonela.dima@na.imm.cnr.it, Institute for Microelectronics and Microsystems, Department of Naples, National Council of Research, via Pietro Castellino 111, Neaples, 80131, Italy
Maurizio Casalino
Affiliation:
maurizio.casalino@na-imm.cnr.it, Institute for Microelectronics and Microsystems, Neaples, 80131, Italy
Francesco Della Corte
Affiliation:
francesco.dellacorte@na.imm.cnr.it, Institute for Microelectronics and Microsystems, Neaples, 80131, Italy
Ivo Rendina
Affiliation:
ivo.rendina@na.imm.cnr.it, Institute for Microelectronics and Microsystems, Neaples, 80131, Italy
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Abstract

Lithium batteries have found a wide range of applications due to their very compact energy packing and effective cost. Theoretically Li-cells can hold up to 5V, however to date no mass-produced rechargeable battery surpasses 4 V. The structure here analyzed consists of: lithium porous cathode, solid electrolyte and silver anode. A spinel LiNi0.4X0.1Mn1.5O4 sol-gel layer was deposited on a porous substrate in order to obtain higher specific surface for single chips. The anode was thermally evaporated Ag. The electrolyte used was a sol-gel hybrid layer containing Li ions. The devices, fabricated on ceramic wafers, displayed high capacities.

Keywords

Lisol-gelenergy-storage
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 972: Symposium AA – Solid-State Ionics—2006 , 2006 , 0972-AA06-09
Copyright
Copyright © Materials Research Society 2007

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