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METAL OXYHYDRIDE PRODUCTION METHOD, METAL OXYHYDRIDE, AND AMMONIA SYNTHESIS METHOD USING SAME

外国特許コード F210010497
整理番号 K030P04WO
掲載日 2021年7月29日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2020JP025765
国際公開番号 WO 2021006136
国際出願日 令和2年7月1日(2020.7.1)
国際公開日 令和3年1月14日(2021.1.14)
優先権データ
  • 特願2019-127224 (2019.7.8) JP
発明の名称 (英語) METAL OXYHYDRIDE PRODUCTION METHOD, METAL OXYHYDRIDE, AND AMMONIA SYNTHESIS METHOD USING SAME
発明の概要(英語) Provided is a metal oxyhydride production method which is capable of synthesizing metal oxyhydride under a near-ordinary pressure reaction condition and is also excellent from the aspects of productivity and cost. This production method involves reacting an oxide and a metal hydride under a hydrogen atmosphere to produce metal oxyhydride. The non-oxygen element constituting the oxide consists of one species of non-oxygen element. In addition, the reaction pressure condition is 0.1 to 0.9 MPa, and the reaction temperature is 500 to 1,000°C.
従来技術、競合技術の概要(英語) BACKGROUND ART
LaFeAs (O1-xHx) exhibiting superconducting properties, La2-x-ySrx + yLiH1-x + yO3-y exhibiting hydride ion conductivity, and the like have also been reported among oxyhydrides (oxyhydride) having hydride ions (H-ions) in the skeleton, and substances containing H-ions have attracted attention. In recent years, it has been reported that catalysts in which oxyhydrides such as BaTiO3-xHx, SrTiO3-xHx, CaTiO3-xHx, LnHO (Ln = Gd, and Sm) are combined with metal nanoparticles such as Ru exhibit high ammonia synthesis activity (Non-Patent Document 1 ~ 3).
Meanwhile, a method for synthesizing monocrystalline BaLn2O4 (Ln = lanthanide) and the like have been reported (for example, Non-Patent Document 4).
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • 発明者(英語)
  • KITANO Masaaki
  • HOSONO Hideo
  • YOKOYAMA Toshiharu
  • OOYA Kayato
  • OGASAWARA Kiya
  • TAKASHIMA Ryu
国際特許分類(IPC)
指定国 National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS IT JO JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN WS ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
参考情報 (研究プロジェクト等) PRESTO Photons on soft materials AREA
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