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    • 1. 发明申请
    • Electroconductive 12ca0.7al203 and compound of same type, and method for preparation thereof
    • 导电性12ca0.7al203和同型化合物及其制备方法
    • US20060151311A1
    • 2006-07-13
    • US10561968
    • 2004-02-12
    • Hideo HosonoMasahiro HiranoKatsuro HayashiIsao Tanaka
    • Hideo HosonoMasahiro HiranoKatsuro HayashiIsao Tanaka
    • C01B13/00
    • H01B1/08C01F7/164C01F7/166C01P2006/40C04B35/44C04B35/653C04B2235/3208C04B2235/3213C04B2235/604C04B2235/6587C04B2235/664C04B2235/787C04B2235/94
    • In a solid solution system of Al2O3 and CAO or SrO, it has been difficult to obtain a material having a high electrical conductivity (>10−4 S·cm−) at room temperature. A compound is provided in which electrons at a high concentration are introduced into a 12CaO.7Al2O3 compound, a 12SrO.7Al2O3 compound, or a mixed crystal compound containing 12CaO.7Al2O3 and 12SrO.7Al2O3. The compound formed by substituting all the free oxygen ions with electrons is regarded as an electride compound in which [Ca24Al28O64]4+(4e−) or [Sr24Al28O64]4+(4e−) serves as a cation and electrons serve as anions. When a single crystal or a hydrostatic pressure press molded material of a fine powder thereof is held at approximately 700° C. in an alkaline metal vapor or an alkaline earth metal vapor, melt of a hydrostatic pressure press molded material of a powder is held at approximately 1,600° C. in a carbon crucible, followed by slow cooling for solidification, or a thin film of the compound held at approximately 600° C. is implanted with rare gas ions, a great number of the free oxygen ions can be substituted with electrons.
    • 在Al 2 N 3 O 3和CAO或SrO的固溶体系中,难以获得具有高导电性的材料(> 10 -4 S.cm )在室温下。 提供了一种化合物,其中将高浓度的电子引入12CaO7Al 2 O 3 O 3化合物,12SrO·7H 2 O 2 或者含有12CaO.7Al 2 O 3 3和12SrO 7 Al 2 O 3的混合晶体化合物, SUB> 3 。 通过用电子代替全部游离氧离子而形成的化合物被认为是电化学化合物,其中[Ca 2 H 12 O 12 O 64] (4e-sup) - 或[Sr 2 O 2] 28 O 64] SUP + 4 +(4e - - )用作阳离子,电子用作阴离子。 当在碱金属蒸气或碱土金属蒸气中将其细粉末的单晶或静水压成型材料保持在约700℃时,将粉末的流体静压加压成型材料的熔体保持在 在碳坩埚中约1600℃,然后缓慢冷却固化,或者在约600℃保持的化合物薄膜注入稀有气体离子,大量的游离氧离子可被 电子。
    • 2. 发明授权
    • Electroconductive 12CaO—7Al2O3 and compound of same type, and method for preparation thereof
    • 导电性12CaO-7Al2O3和相同类型的化合物及其制备方法
    • US07507289B2
    • 2009-03-24
    • US10561968
    • 2004-02-12
    • Hideo HosonoMasahiro HiranoKatsuro HayashiMasashi MiyakawaIsao Tanaka
    • Hideo HosonoMasahiro HiranoKatsuro HayashiMasashi MiyakawaIsao Tanaka
    • C30B1/10
    • H01B1/08C01F7/164C01F7/166C01P2006/40C04B35/44C04B35/653C04B2235/3208C04B2235/3213C04B2235/604C04B2235/6587C04B2235/664C04B2235/787C04B2235/94
    • In a solid solution system of Al2O3 and CAO or SrO, it has been difficult to obtain a material having a high electrical conductivity (>10−4 S·cm−) at room temperature.A compound is provided in which electrons at a high concentration are introduced into a 12CaO.7Al2O3 compound, a 12SrO.7Al2O3 compound, or a mixed crystal compound containing 12CaO.7Al2O3 and 12SrO.7Al2O3. The compound formed by substituting all the free oxygen ions with electrons is regarded as an electride compound in which [Ca24Al28O64]4+(4e−) or [Sr24Al28O64]4+(4e−) serves as a cation and electrons serve as anions. When a single crystal or a hydrostatic pressure press molded material of a fine powder thereof is held at approximately 700° C. in an alkaline metal vapor or an alkaline earth metal vapor, melt of a hydrostatic pressure press molded material of a powder is held at approximately 1,600° C. in a carbon crucible, followed by slow cooling for solidification, or a thin film of the compound held at approximately 600° C. is implanted with rare gas ions, a great number of the free oxygen ions can be substituted with electrons.
    • 在Al 2 O 3和CAO或SrO的固溶体系中,难以在室温下获得具有高电导率(> 10 -4 S.cm-)的材料。 提供了一种化合物,其中将高浓度的电子引入12CaO.7Al2O3化合物,12SrO.7Al2O3化合物或含有12CaO.7Al2O3和12SrO.7Al2O3的混合晶体化合物。 通过用电子代替全部游离氧离子形成的化合物被认为是其中[Ca24Al28O64] 4+(4e-)或[Sr24Al28O64] 4+(4e-)用作阳离子的电子化合物,电子用作阴离子。 当在碱金属蒸气或碱土金属蒸气中将其细粉末的单晶或静水压成型材料保持在约700℃时,将粉末的流体静压加压成型材料的熔体保持在 在碳坩埚中约1600℃,然后缓慢冷却固化,或者在约600℃保持的化合物薄膜注入稀有气体离子,大量的游离氧离子可被 电子。
    • 8. 发明授权
    • 12CaO·7A12O3 compound and method for preparation thereof
    • 12CaO.7A12O3化合物及其制备方法
    • US07235225B2
    • 2007-06-26
    • US10492938
    • 2002-10-17
    • Hideo HosonoMasahiro HiranoKatsuro Hayashi
    • Hideo HosonoMasahiro HiranoKatsuro Hayashi
    • C01F7/00A01N59/06B01J23/02H01M8/10
    • H01M4/8605A01N59/06B01J23/002B01J23/02B01J37/08B01J2523/00C01F7/164C01P2002/76C01P2002/77C01P2002/82C01P2002/86C01P2002/90H01M4/9016H01M4/9025B01J2523/23B01J2523/31
    • There is provided a C12A7 compound capable of selectively and reversibly clathrating X− ions, such as active oxygen radicals, with improved controllability. The C12A7 compound clathrating OH− ions and On− at a concentration of 2×1019 cm−3 or less can be prepared by subjecting a mixed material containing Ca and Al to a solid phase reaction at a firing temperature not lower than 1200° C. and lower than 1449° C. in a dry oxygen atmosphere having an oxygen partial pressure of 0.1 atm or more and a water vapor partial pressure of 10−3 atm or less, keeping the resultant product at a temperature of 1200° C. or higher, and cooling rapidly. The C12A7 compound is heat-treated to clathrate OH− ions at a concentration of 2×1019 cm−3 or less, and On− at a high concentration of more than 2×1019 cm−3. The compound can reversibly clathrate or release On− ion radicals through the elevation or lowering of the temperature thereof in a temperature range of 300 to 850° C. The compound is useful for an oxidation catalyst, an anti-bacterial agent, an ion conducting material, an electrode for a solid-electrolyte fuel cell, and the like.
    • 提供了一种C12A7化合物,其能够选择性地和可逆地包合诸如活性氧自由基之类的X - O - 离子,具有改进的可控性。 浓度为2×10 19 -3 -3或更低的C12A7化合物包合OH - O 2和O 2 - 通过在氧分压为0.1atm以上的干氧气氛中,在不低于1200℃且低于1449℃的烧成温度下对含有Ca和Al的混合材料进行固相反应来制备,以及 水蒸汽分压为10 -3 atm或更低,保持所得产物在1200℃或更高的温度,并快速冷却。 将C12A7化合物热处理以2×10 19 -3 -3或更低的浓度包合OH - O 2离子, - 超过2×10 9 cm -3 -3的高浓度。 化合物可以通过在300至850℃的温度范围内升高或降低其温度来可逆地包合或释放离子自由基。该化合物可用于氧化催化剂,抗 - 细菌剂,离子导电材料,固体电解质燃料电池用电极等。