Device of the solid-electrolyte electrochemical cell type

Details Device of the solid-electrolyte electrochemical cell type Device of the solid-electrolyte electrochemical cell type

1991-02-13

1992-04-21

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204421, 204426, G01N 27406

Patent

active

051064804

ABSTRACT:
A device comprising an inhomogeneous solid electrolyte of doped materials which are exclusive conductors for a predetermined chemical species. The electrolyte has a first region and a second surface region, the thickness of which is usually less than 400 .ANG.. In a first alternative embodiment, the second region is formed by increasing the doping percentage of the material constituting the first region. In a second alternative embodiment, the second region is formed by depositing a thin film of doped material chosen so as to ensure that the work function to be provided by the predetermined chemical species is of lower value than in the case of the doped material constituting the first region.

REFERENCES:
patent: 3607424 (1971-09-01), Maki et al.
patent: 3776831 (1973-12-01), Roy et al.
patent: 4121988 (1978-10-01), Sano et al.
patent: 4152234 (1979-05-01), Pollner
patent: 4208265 (1980-06-01), Hori et al.
patent: 4210509 (1980-07-01), Obayashi et al.
patent: 4272350 (1981-06-01), Croset et al.
patent: 4354912 (1982-10-01), Friese

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