Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Fuel cell with molten electrolyte
Patent
1983-01-31
1985-03-12
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Fuel cell with molten electrolyte
429191, G02F 101, H01M 1038
Patent
active
045041202
ABSTRACT:
By use of new ion conducting but non-electron conducting mixed crystal compounds of the type sodium zirconium phosphatosilicate as the ceramic board material for electronic circuitry it is possible to provide full integration of electronic, electro-chemical and optical components, because the boards simultaneously constitute the solid electrolyte for the miniaturized batteries serving as energy source, and for an electrochromic display system. An illustrative practical embodiment involves housing within a ceramic multi-layer structure a battery with positive electrode and negative electrode for a quartz driving circuit and an electrochromic (ECD) display controlled by an microprocessor. For the flow of current through the ECD there is used a secondary element formed of a WO.sub.3 electrode and a Na-tungstenate electrode as the counter electrode, the WO.sub.3 segments assuming a blue color due to diffusion of Na.sup.+ ions.
REFERENCES:
patent: 4106862 (1978-08-01), Bayard
Alpen Ulrich Von
Schelter Heinrich
Schindler Stefan
Varta Batterie Aktiengesellschaft
Walton Donald L.
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