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Hydrogen-containing electrically conductive inorganic compound 実績あり

外国特許コード F110005318
整理番号 E06013US
掲載日 2011年8月31日
出願国 アメリカ合衆国
出願番号 51171503
公報番号 20050279279
公報番号 7662357
出願日 平成15年4月18日(2003.4.18)
公報発行日 平成17年12月22日(2005.12.22)
公報発行日 平成22年2月16日(2010.2.16)
国際出願番号 JP2003005016
国際公開番号 WO2003089373
国際出願日 平成15年4月18日(2003.4.18)
国際公開日 平成15年10月30日(2003.10.30)
優先権データ
  • 特願2002-117314 (2002.4.19) JP
  • 2003WO-JP05016 (2003.4.18) WO
発明の名称 (英語) Hydrogen-containing electrically conductive inorganic compound 実績あり
発明の概要(英語) (US7662357)
Disclosed is a 12CaO.7Al2O3 compound, a 12SrO.7Al2O3 compound, or a mixed crystal compound of 12CaO.7Al2O3 and 12SrO.7Al2O3, which contains a negative hydrogen ion (H-, H2-, H2- at a concentration of 1x1018 cm-3 or 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.
特許請求の範囲(英語) [claim1]
1. A 12CaO.7Al2O3 compound, which incorporates a negative hydrogen ion (H-, H2-, H2-) at a concentration of 1 * 1018 cm-3 or more, which has an electronic conductance equivalent to an electric conductivity of 10-5 Scm-1 or more at a room temperature.
[claim2]
2. A 12SrO.7Al2O3 compound, which incorporates a negative hydrogen ion (H-, H2-, H2-) at a concentration of 1 * 1018 cm-3 or more, which has an electronic conductance equivalent to an electric conductivity of 10-5 Scm-1 or more at a room temperature.
[claim3]
3. A mixed crystal compound of 12CaO.7Al2O3 and 12SrO.7Al2O3, which incorporates a negative hydrogen ion (H-, H2-, H2-) at a concentration of 1 * 1018 cm-3 or more, which has an electronic conductance equivalent to an electric conductivity of 10-5 Scm-1 or more at a room temperature.
[claim4]
4. A method of producing the compound as defined in claim 1, comprising subjecting a 12CaO.7Al2O3 compound, to a heat treatment at a temperature of 800 deg. C. or more in an atmosphere containing 1000 ppm or more of hydrogen, to thereby clathrate a negative hydrogen ion (H-, H2-, H2-) into said selected compound at a concentration of 1 * 1018 cm-3 or more, and further irradiate said selected compound with ultraviolet ray or X-ray.
[claim5]
5. A method of producing the compound as defined in claim 2, comprising subjecting a 12SrO.7Al2O3 compound to a heat treatment at a temperature of 800 deg. C. or more in an atmosphere containing 1000 ppm or more of hydrogen, to thereby clathrate a negative hydrogen ion (H-, H2-, H2-) into said selected compound at a concentration of 1 * 1018 cm-3 or more, and further irradiate said selected compound with ultraviolet ray or X-ray.
[claim6]
6. A method of producing the compound as defined in claim 3, comprising subjecting a mixed crystal compound of 12CaO.7Al2O3 and 12SrO.7Al2O3 to a heat treatment at a temperature of 800 deg. C. or more in an atmosphere containing 1000 ppm or more of hydrogen, to thereby clathrate a negative hydrogen ion (H-, H2-, H2-) into said selected compound at a concentration of 1 * 1018 cm-3 or more, and further irradiate said selected compound with ultraviolet ray or X-ray.
[claim7]
7. The compound as defined in any one of claims 1 to 3, wherein the compound is included in a transparent electrode or wiring.
[claim8]
8. The compound as defined in any one of claims 1 to 3, wherein the compound is included in an optically writable and erasable 3-dimensional electronic circuit and 3-dimensional storage element.
[claim9]
9. The compound as defined in any one of claims 1 to 3, wherein the compound is included in a negative-hydrogen-ion-conducting solid-electrolyte.
  • 発明者/出願人(英語)
  • HOSONO HIDEO
  • HIRANO MASAHIRO
  • HAYASHI KATSURO
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
国際特許分類(IPC)
米国特許分類/主・副
  • 423/447.1
  • 423/650
参考情報 (研究プロジェクト等) ERATO HOSONO Transparent ElectroActive Materials AREA
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