Hydrogen-containing electrically conductive inorganic compound

Details Hydrogen-containing electrically conductive inorganic compound Hydrogen-containing electrically conductive inorganic compound

2003-04-18

2010-02-16

Mayes, Melvin C (Department: 1793)

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

C423S650000

Reexamination Certificate

active

07662357

ABSTRACT:
Disclosed is a 12CaO.7Al2O3compound, a 12SrO.7Al2O3compound, or a mixed crystal compound of 12CaO.7Al2O3and 12SrO.7Al2O3, which contains a negative hydrogen ion (H−, H2−, H2−at a concentration of 1×1018cm−3or more. A negative hydrogen ion comprising a primary component of a hydride ion is incorporated into C12A7 (12CaO.7Al2O3), so that a function of being converted from an insulative material to an electrically conductive material in a sustained manner by means of irradiation with light can be exhibited even in the normal atmosphere at a room temperature. The present invention also provides a solid electrolyte capable of conducting a negative hydrogen ion, and means for releasing a hydride ion from the inside of a solid into a gaseous phase using an electric field.

REFERENCES:
patent: WO 01/79115 (2001-10-01), None
patent: WO 03/050037 (2003-06-01), None
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