METHOD FOR PRODUCING ELECTRODE CATALYST
    2.
    发明申请
    METHOD FOR PRODUCING ELECTRODE CATALYST 审中-公开
    生产电极催化剂的方法

    公开(公告)号:US20120094825A1

    公开(公告)日:2012-04-19

    申请号:US13377041

    申请日:2010-06-16

    IPC分类号: B01J21/18

    摘要: A method for producing an electrode catalyst, comprising a step of calcining a precursor of the electrode catalyst under conditions under which a second material defined below can change into a carbonaceous material, the precursor having been obtained by continuously hydrothermally reacting a mixture containing a first material defined below and the second material defined below in the presence of supercritical or subcritical water, wherein the first material is defined to be a metal compound composed of one or more metal elements selected from the group consisting of the elements of Group 4A and the elements of Group 5A group and one or more non-metal elements selected from the group consisting of hydrogen, nitrogen, chlorine, carbon, boron, sulfur, and oxygen, and the second material is defined to be a precursor of a carbonaceous material.

    摘要翻译: 一种电极催化剂的制造方法,其特征在于,在下述规定的第二材料可以变成碳质材料的条件下煅烧所述电极催化剂的前体的步骤,所述前体是通过将包含第一材料的混合物 在下文定义的第二材料和在超临界或亚临界水存在下定义的第二材料,其中第一材料被定义为由一种或多种金属元素组成的金属化合物,所述金属元素选自由4A族元素组成的组和 5A族和选自氢,氮,氯,碳,硼,硫和氧的一种或多种非金属元素,第二种材料被定义为碳质材料的前体。

    ELECTRODE CATALYST
    3.
    发明申请
    ELECTRODE CATALYST 审中-公开
    电极催化剂

    公开(公告)号:US20130192985A1

    公开(公告)日:2013-08-01

    申请号:US13808142

    申请日:2011-07-06

    IPC分类号: C25B11/04 H01M4/86

    摘要: An electrode catalyst, including: a metal compound which contains an oxygen atom and at least one metal element selected from a group consisting of Group 4 elements and Group 5 elements in the long-form periodic table, and a carbonaceous material which covers at least part of the metal compound; wherein an oxygen deficiency index, which is represented as an inverse number of a peak value of a first nearest neighbor element in a radial distribution function obtained by Fourier-transforming an EXAFS oscillation in EXAFS measurement of the metal element, is 0.125 to 0.170; and a crystallinity index, which is represented as a peak value of a second nearest neighbor element in the radial distribution function, is 4.5 to 8.0.

    摘要翻译: 一种电极催化剂,包括:含有氧原子的金属化合物和选自长型周期表中的第4族元素和第5族元素的至少一种金属元素,以及覆盖至少部分的碳质材料 的金属化合物; 其中,通过对金属元素的EXAFS测量中的EXAFS振荡进行傅里叶变换而获得的径向分布函数中的第一最近相邻元素的峰值的倒数表示的氧缺乏指数为0.125〜0.170, 在径向分布函数中表示为第二最近相邻元素的峰值的结晶度指数为4.5〜8.0。

    METHOD FOR PRODUCING ELECTRODE CATALYST, AND ELECTRODE CATALYST
    4.
    发明申请
    METHOD FOR PRODUCING ELECTRODE CATALYST, AND ELECTRODE CATALYST 审中-公开
    生产电极催化剂的方法和电极催化剂

    公开(公告)号:US20120028792A1

    公开(公告)日:2012-02-02

    申请号:US13258969

    申请日:2010-03-23

    IPC分类号: B01J21/18

    摘要: A method for producing an electrode catalyst, comprising a step of calcining a precursor of the electrode catalyst under conditions under which a second material defined below can change into a carbonaceous material, the precursor having been obtained by hydrothermally reacting a mixture containing a first material defined below and the second material defined below in the presence of supercritical or subcritical water, or the precursor having been obtained by mixing a reaction product having been obtained by hydrothermally reacting a first material defined below in the presence of supercritical or subcritical water and the second material defined below, wherein the first material is defined to be a metal compound composed of one or more metal elements selected from the group consisting of the elements of Group 4A and the elements of Group 5A and one or more non-metal elements selected from the group consisting of hydrogen, nitrogen, chlorine, carbon, boron, sulfur, and oxygen, andthe second material is defined to be a precursor of a carbonaceous material.

    摘要翻译: 一种电极催化剂的制造方法,其特征在于,在下述规定的第二材料可以变化为碳质材料的条件下煅烧所述电极催化剂的前体的步骤,所述前体是通过将含有第一材料的混合物进行水热反应而得到的 在超临界或亚临界水的存在下定义的第二材料,或者前体是通过混合通过在超临界或亚临界水的存在下将下面定义的第一材料水热反应获得的反应产物和第二材料 其中第一材料被定义为由一种或多种金属元素组成的金属化合物,所述金属元素选自由4A族元素和5A族元素组成的组以及一种或多种选自下组的非金属元素 由氢,氮,氯,碳,硼,硫和氧组成, 第二材料被定义为碳质材料的前体。

    ELECTRODE CATALYST AND PROCESS FOR PRODUCING THE ELECTRODE CATALYST
    5.
    发明申请
    ELECTRODE CATALYST AND PROCESS FOR PRODUCING THE ELECTRODE CATALYST 审中-公开
    电极催化剂及电极催化剂的制造方法

    公开(公告)号:US20110015058A1

    公开(公告)日:2011-01-20

    申请号:US12933333

    申请日:2009-02-19

    申请人: Hajime Maki

    发明人: Hajime Maki

    IPC分类号: H01M4/88 B01J21/18

    CPC分类号: H01M4/9016 H01M4/8889

    摘要: Disclosed are an electrode catalyst and a method for producing an electrode catalyst. The electrode catalyst is composed of: a metal compound comprising one or more metal elements selected from the group consisting of Groups 4A and 5A, and an oxygen atom; and a carbonaceous material covering at least part of the compound, wherein the electrode catalyst has a BET specific surface area of not less than 15 m2/g and not more than 500 m2/g and a carbon coverage of not less than 0.05 and not more than 0.5 as determined by the following equation (1): carbon coverage=carbon content (% by mass)/BET specific surface area (m2/g)  (1). The method for producing an electrode catalyst comprises calcining a mixed material comprising a first material provided below and a second material provided below under conditions where the second material can be converted to a carbonaceous material: the first material that is a metal compound composed of one or more metal elements selected from the group consisting of Groups 4A and 5A, and one or more non-metal elements selected from the group consisting of a hydrogen atom, a nitrogen atom, a chlorine atom, a carbon atom, a boron atom and an oxygen atom; the second material that is a carbonaceous material precursor.

    摘要翻译: 公开了电极催化剂和电极催化剂的制造方法。 电极催化剂由以下组成:包含一种或多种选自组4A和5A的金属元素和氧原子的金属化合物; 以及覆盖所述化合物的至少一部分的碳质材料,其中所述电极催化剂的BET比表面积不小于15m 2 / g且不大于500m 2 / g,碳覆盖率不小于0.05而不大于 (1)表示:碳含量=碳含量(质量%)/ BET比表面积(m2 / g)(1)。 电极催化剂的制造方法包括:在第二材料可以转化成含碳材料的条件下煅烧包含下述第一材料的混合材料和下面提供的第二材料:第一种材料,其是由一种或多种 选自组4A和5A的更多的金属元素和选自氢原子,氮原子,氯原子,碳原子,硼原子和氧的一种或多种非金属元素 原子; 第二种材料是碳质材料前体。

    Method for producing an alpha-alumina powder
    7.
    发明申请
    Method for producing an alpha-alumina powder 失效
    α-氧化铝粉末的制造方法

    公开(公告)号:US20060073093A1

    公开(公告)日:2006-04-06

    申请号:US11211700

    申请日:2005-08-26

    IPC分类号: C01F7/02

    摘要: A method for producing an α-alumina powder is provided. T method for producing an α-alumina powder comprising steps of: (1) pulverizing a metal compound having a full width at half maximum (Ho) of a main peak in XRD pattern to obtain a seed crystal having a full width at half maximum (H) of the main peak in XRD pattern in the presence of pulverizing agent, (2) mixing the obtained seed crystal with an aluminum salt, (3) calcining the mixture, and wherein a ratio of H/Ho is 1.06 or more.

    摘要翻译: 提供了一种生产α-氧化铝粉末的方法。 T制造α-氧化铝粉末的方法,包括以下步骤:(1)以XRD图案粉碎主峰的半峰全宽(Ho)的金属化合物,得到半峰全宽的晶种( H),(2)将得到的晶种与铝盐混合,(3)煅烧混合物,其中H / Ho比为1.06以上。

    Method for producing alpha-alumina particle
    10.
    发明授权
    Method for producing alpha-alumina particle 失效
    生产α-氧化铝颗粒的方法

    公开(公告)号:US07858067B2

    公开(公告)日:2010-12-28

    申请号:US11076836

    申请日:2005-03-10

    IPC分类号: C01F7/00

    摘要: The present invention provides a method of producing an α-alumina particle. The method of producing an α-alumina particle comprises steps of: (1) heating a mixture containing an amorphous alumina and a pyrolyzable salt at temperature of not less than the temperature at which the pyrolyzable salt is decomposed, and less than the temperature at which the amorphous alumina transforms to α-alumina; and (2) calcining the resultant under a partial pressure of water vapor of about 600 Pa or less.

    摘要翻译: 本发明提供一种α-氧化铝颗粒的制造方法。 制造α-氧化铝颗粒的方法包括以下步骤:(1)在不低于可热分解盐分解的温度的温度下加热含有无定形氧化铝和可热解盐的混合物,并且小于 无定形氧化铝转化为α-氧化铝; 和(2)在约600Pa以下的水蒸汽的分压下煅烧所得物。