Intercalation-based voltage variable capacitor

Details Intercalation-based voltage variable capacitor Intercalation-based voltage variable capacitor

1998-05-14

1999-11-16

Jackson, Stephen W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Impedance insertion

361 15, 361111, 361113, H02H 900

Patent

active

059868643

ABSTRACT:
A voltage variable capacitor (VVC) is made by placing an intercalation compound between two electrodes of a capacitor. The VVC has a reservoir of an intercalant in proximity with the intercalation compound. The two materials are chosen from those known to exhibit the intercalation reaction. The extent of the intercalation reaction is controlled by applying a voltage to the intercalant reservoir and the intercalation compound. A variable capacitor is created by applying a signal to the device and appropriately controlling the .epsilon. of the device by using the input control voltages.

REFERENCES:
patent: 3560815 (1971-02-01), Sigsbee
patent: 5192871 (1993-03-01), Ramakrishnan et al.
patent: 5283462 (1994-02-01), Stengel
patent: 5351164 (1994-09-01), Grigortchak
patent: 5390072 (1995-02-01), Anderson et al.
Physical Review, Gorochov, O., Ghorayeb, A. M., Optical and Electrical-Transport Studies on Lithium-Intercalated TiS.sub.2, pp. 4-9, vol. 45, No. 23, Jun. 15, 1992.
Solid State Ionics, Godshall, N.A., Lithium Transport in Ternary Lithium-Copper-oxygen Cathode Materials, pp. 788-793, Elscvier Science Publishers B.V. (North-Holland Physics Publishing Division) No. D 167-2738/86.

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