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Fabrication of Porous Sol-Gel Cathodes for Li Batteries

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3 Author(s)
Antonela Dima ; Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e Microsistemi, Sezione di Napoli, Via P. Castellino 111, 80131 Napoli, Italy. ; Maurizio Casalino ; Francesco Della Corte

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 surpassed 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 a higher specific surface for a single chip. 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

Published in:

2006 International Semiconductor Conference  (Volume:2 )

Date of Conference:

27-29 Sept. 2006