RU2011136385A - METHOD FOR PRODUCING GRAPHENE CELLS IN GRAPHITE WITH ADDITION OF RADIACTIVE ISOTOPES - Google Patents
METHOD FOR PRODUCING GRAPHENE CELLS IN GRAPHITE WITH ADDITION OF RADIACTIVE ISOTOPES Download PDFInfo
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- RU2011136385A RU2011136385A RU2011136385/07A RU2011136385A RU2011136385A RU 2011136385 A RU2011136385 A RU 2011136385A RU 2011136385/07 A RU2011136385/07 A RU 2011136385/07A RU 2011136385 A RU2011136385 A RU 2011136385A RU 2011136385 A RU2011136385 A RU 2011136385A
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Abstract
1. Способ получения в графите графеновых ячеек с добавкой радиоактивного изотопа путем интеркаляции паров изотопа щелочного металла в ориентированный пиролитический графит, помещенный в вакуумный объем при повышенной температуре, с последующим облучением графита в другом объеме нейтронным потоком, отличающийся тем, что помещают графит между двумя электрически изолированными пластинами, при этом С-ось графита перпендикулярна поверхности пластин, одна из которых установлена с возможностью перемещения, интеркалируют в графит изотопы лития до получения соединений LiCили LiC, после чего облучают его нейтронным потоком величиной около 10-10смспри комнатной температуре до полного накопления изотопов трития, при этом интеркаляцию лития и накопление изотопов трития контролируют путем измерения величины электросопротивления графита вдоль оси С.2. Способ по п.1, отличающийся тем, что в графит интеркалируют природную смесь изотопов лития.3. Способ по п.1, отличающийся тем, что в графит интеркалируют природную смесь изотопов лития, обогащенную поLi до 50%.4. Способ по п.1, отличающийся тем, что в графит интеркалируют природную смесь изотопов лития, обогащенную поLi близкую к 100%.5. Способ по п.1, отличающийся тем, что облучение нейтронным потоком проводят в активной зоне ядерного реактора.6. Способ по п.1, отличающийся тем, что интеркаляцию паров изотопа щелочного металла в ориентированный пиролитический графит, путем одновременного нагрева графита и изотопов лития до температуры не выше 673 К в течение не менее 24 ч.7. Способ по п.1, отличающийся тем, что после облучения графит дополнительно прогревают при температуре не более 673 К в т1. A method of producing graphene cells in graphite with the addition of a radioactive isotope by intercalating vapors of an alkali metal isotope into oriented pyrolytic graphite placed in a vacuum volume at elevated temperature, followed by irradiation of graphite in another volume with a neutron flux, characterized in that graphite is placed between two electrically insulated plates, while the C-axis of graphite is perpendicular to the surface of the plates, one of which is installed with the ability to move, isotopes l intercalate into graphite ment to compounds LiCili LiC, after which it was irradiated with a neutron flux magnitude 10-10smspri about room temperature until the accumulation isotopes tritium, the intercalation of lithium and accumulation isotopes tritium is monitored by measuring the electrical resistance of the graphite along the axis C.2. The method according to claim 1, characterized in that a natural mixture of lithium isotopes is intercalated into graphite. The method according to claim 1, characterized in that a natural mixture of lithium isotopes is intercalated into graphite, enriched in Li up to 50%. The method according to claim 1, characterized in that a natural mixture of lithium isotopes is intercalated into graphite, enriched in Li close to 100%. The method according to claim 1, characterized in that the neutron flux irradiation is carried out in the active zone of a nuclear reactor. The method according to claim 1, characterized in that the intercalation of alkali metal isotope vapors into oriented pyrolytic graphite by simultaneous heating of graphite and lithium isotopes to a temperature of no higher than 673 K for at least 24 hours. The method according to claim 1, characterized in that after irradiation the graphite is additionally heated at a temperature of not more than 673 K in t
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RU2011136385/07A RU2477705C1 (en) | 2011-09-02 | 2011-09-02 | Method of obtaining graphene cells in graphite with addition of radioactive isotopes |
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RU2011136385/07A RU2477705C1 (en) | 2011-09-02 | 2011-09-02 | Method of obtaining graphene cells in graphite with addition of radioactive isotopes |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104058395A (en) * | 2014-07-11 | 2014-09-24 | 武汉理工大学 | Method for preparing graphene by carrying out ultrasonic treatment on lithium intercalated graphite |
CN112573511A (en) * | 2020-12-03 | 2021-03-30 | 铜仁学院 | Simple preparation method of graphene |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2544266C2 (en) * | 2013-05-17 | 2015-03-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный университет путей сообщения" МГУПС (МИИТ) | Method of producing semiconductor graphene |
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JPH09249407A (en) * | 1996-03-14 | 1997-09-22 | Toyota Central Res & Dev Lab Inc | Graphite composite material and its production |
RU2228900C1 (en) * | 2003-02-11 | 2004-05-20 | Физико-технический институт им. А.Ф. Иоффе РАН | Method for producing carbon nanostructures |
US7476375B1 (en) * | 2005-04-04 | 2009-01-13 | Carbon Labs, Inc. | Fusion fuel containers and system |
RU2335762C1 (en) * | 2007-04-26 | 2008-10-10 | Федеральное государственное учреждение Российский научный центр "Курчатовский институт" | Method of defining quantity of alkali metal atoms |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104058395A (en) * | 2014-07-11 | 2014-09-24 | 武汉理工大学 | Method for preparing graphene by carrying out ultrasonic treatment on lithium intercalated graphite |
CN112573511A (en) * | 2020-12-03 | 2021-03-30 | 铜仁学院 | Simple preparation method of graphene |
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