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    PHOTOELECTROCHEMICAL CELL
    1.
    发明申请
    PHOTOELECTROCHEMICAL CELL 审中-公开
    光电化学电池

    公开(公告)号：US20120080310A1

    公开(公告)日：2012-04-05

    申请号：US13375086

    申请日：2010-06-01

    申请人： Takaiki Nomura ,  Takahiro Suzuki ,  Kenichi Tokuhiro ,  Tomohiro Kuroha ,  Noboru Taniguchi ,  Kazuhito Hatoh ,  Shuzo Tokumitsu

    发明人： Takaiki Nomura ,  Takahiro Suzuki ,  Kenichi Tokuhiro ,  Tomohiro Kuroha ,  Noboru Taniguchi ,  Kazuhito Hatoh ,  Shuzo Tokumitsu

    IPC分类号： C25B9/00 ,  C25B1/04

    CPC分类号： C01B3/042 ,  C25B1/003 ,  Y02E60/364 ,  Y02E60/366 ,  Y02P20/135

    摘要： A photoelectrochemical cell (1) includes: an optical semiconductor electrode (first electrode) (3) including a conductive substrate (3a) and an n-type semiconductor layer (3b) as an optical semiconductor layer disposed on the conductive substrate (3a); a counter electrode (second electrode) (4) disposed to face the surface of the optical semiconductor electrode (3) on the conductive substrate (3a) side and connected electrically to the conductive substrate (3a); an electrolyte solution (11) containing water and disposed in contact with the surface of the n-type semiconductor layer (3b) and the surface of the counter electrode (4); a container (2) in which the optical semiconductor electrode (3), the counter electrode (4), and the electrolyte solution (11) are disposed; an inlet (5) for supplying water into the container; and an ion passing portion (12) that allows ions to move between the electrolyte solution in a region A on the surface side of the n-type semiconductor layer (3b) and the electrolyte solution in a region B on the opposite side of the region A with respect to the optical semiconductor electrode (3).

    摘要翻译： 光电化学电池（1）包括：设置在导电基板（3a）上的作为光学半导体层的导电基板（3a）和n型半导体层（3b）的光学半导体电极（第一电极）（3） 相对电极（第二电极）（4），与所述导电性基板（3a）侧的所述光半导体电极（3）的表面相对配置并与所述导电性基板（3a）电连接; 包含水并与n型半导体层（3b）的表面和对置电极（4）的表面接触地设置的电解液（11）; 其中设置有光学半导体电极（3），对电极（4）和电解质溶液（11）的容器（2） 用于将水供应到所述容器中的入口（5） 以及离子通过部分（12），其允许离子在n型半导体层（3b）的表面侧上的区域A中的电解质溶液与该区域的相对侧的区域B中的电解质溶液之间移动 A相对于光半导体电极（3）。

    Photoelectrochemical cell
    2.
    发明授权
    Photoelectrochemical cell 有权
    光电化学电池

    公开(公告)号：US08454807B2

    公开(公告)日：2013-06-04

    申请号：US13016488

    申请日：2011-01-28

    申请人： Takaiki Nomura ,  Takahiro Suzuki ,  Kenichi Tokuhiro ,  Tomohiro Kuroha ,  Noboru Taniguchi ,  Kazuhito Hatoh ,  Shuzo Tokumitsu

    发明人： Takaiki Nomura ,  Takahiro Suzuki ,  Kenichi Tokuhiro ,  Tomohiro Kuroha ,  Noboru Taniguchi ,  Kazuhito Hatoh ,  Shuzo Tokumitsu

    IPC分类号： C25B13/02 ,  C25B1/10 ,  C25B9/08

    CPC分类号： C25B1/003 ,  C01B3/042 ,  H01M14/005 ,  Y02E60/364 ,  Y02E60/368 ,  Y02P20/135

    摘要： A photoelectrochemical cell (1) is a photoelectrochemical cell for decomposing water by irradiation with light so as to produce hydrogen. This photoelectrochemical cell (1) includes: a conductive substrate; a first electrode (optical semiconductor electrode (3)) including an optical semiconductor and disposed on a first main surface of the conductive substrate; a second electrode (counter electrode (4)) disposed in a region on the first main surface of the conductive substrate where the first electrode is not disposed; an electrolyte containing water and disposed in contact with a surface of the first electrode and a surface of the second electrode; a rib (5) formed to separate a space above the surface of the second electrode from a space above the surface of the first electrode and to extend along a flow direction of a gas produced on the surface of the second electrode, the rib being formed of a material that allows ions to pass therethrough and prevents a gas from passing therethrough; and a container (2) containing the conductive substrate, the first electrode, the second electrode, the electrolyte, and the rib.

    摘要翻译： 光电化学电池（1）是用于通过用光照射分解水以产生氢的光电化学电池。 该光电化学电池（1）包括：导电性基板; 包括光学半导体并设置在导电基板的第一主表面上的第一电极（光学半导体电极（3））; 设置在不设置第一电极的导电性基板的第一主面上的区域中的第二电极（对置电极（4））; 含有水并与第一电极的表面和第二电极的表面接触的电解液; 形成为将第二电极的表面上方的空间与第一电极的表面上方的空间分离并且沿着在第二电极的表面上产生的气体的流动方向延伸的肋（5），所述肋形成 允许离子通过其中并防止气体从其中通过的材料; 和包含导电性基板，第一电极，第二电极，电解质和肋的容器（2）。

    Photoelectrochemical cell and energy system using the same
    3.
    发明授权
    Photoelectrochemical cell and energy system using the same 有权
    光电化学电池和能量系统使用相同

    公开(公告)号：US08236146B2

    公开(公告)日：2012-08-07

    申请号：US12811034

    申请日：2009-10-29

    申请人： Takaiki Nomura ,  Takahiro Suzuki ,  Kenichi Tokuhiro ,  Tomohiro Kuroha ,  Noboru Taniguchi ,  Kazuhito Hatoh ,  Shuzo Tokumitsu

    发明人： Takaiki Nomura ,  Takahiro Suzuki ,  Kenichi Tokuhiro ,  Tomohiro Kuroha ,  Noboru Taniguchi ,  Kazuhito Hatoh ,  Shuzo Tokumitsu

    IPC分类号： C25B11/04 ,  C25B9/06 ,  C25B1/04

    CPC分类号： H01M8/0656 ,  C25B1/003 ,  H01G9/205 ,  H01M16/006 ,  H01M2008/1095 ,  Y02E10/542 ,  Y02E60/366 ,  Y02P20/135

    摘要： A photoelectrochemical cell (100) includes: a semiconductor electrode (120) including a conductor (121) and an n-type semiconductor layer (122); a counter electrode (130) connected electrically to the conductor (121); an electrolyte (140) in contact with the surfaces of the n-type semiconductor layer (122) and the counter electrode (130); and a container (110) accommodating the semiconductor electrode (120), the counter electrode (130) and the electrolyte (140). The photoelectrochemical cell (100) generates hydrogen by irradiation of the n-type semiconductor layer (122) with light. In the semiconductor electrode (120), relative to the vacuum level, (I) the band edge levels of the conduction band and the valence band in the surface near-field region of the n-type semiconductor layer (122), respectively, are equal to or higher than the band edge levels of the conduction band and the valence band in the junction plane near-field region of the n-type semiconductor layer (122) with the conductor (121), (II) the Fermi level of the junction plane near-field region of the n-type semiconductor layer (122) is higher than the Fermi level of the surface near-field region of the n-type semiconductor layer (122), and (III) the Fermi level of the conductor (121) is higher than the Fermi level of the junction plane near-field region of the n-type semiconductor layer (122).

    摘要翻译： 光电化学电池（100）包括：包括导体（121）和n型半导体层（122）的半导体电极（120）; 与所述导体（121）电连接的对电极（130）; 与所述n型半导体层（122）和所述对电极（130）的表面接触的电解液（140）。 以及容纳半导体电极（120），对电极（130）和电解质（140）的容器（110）。 光电化学电池（100）通过用光照射n型半导体层（122）来产生氢。 在半导体电极（120）中，相对于真空度，（I）分别在n型半导体层（122）的表面近场区域中的导带和价带的带边缘电平为 等于或高于具有导体（121）的n型半导体层（122）的结平面近场区中的导带和价带的带边缘电平，（II）是所述导体的费米能级 n型半导体层（122）的接面平面近场区域高于n型半导体层（122）的表面近场区域的费米能级，（III）导体的费米能级 （121）高于n型半导体层（122）的结面近场区域的费米能级。

    HYDROGEN GENERATING DEVICE
    4.
    发明申请
    HYDROGEN GENERATING DEVICE 审中-公开
    氢气发生装置

    公开(公告)号：US20110315545A1

    公开(公告)日：2011-12-29

    申请号：US13254114

    申请日：2010-04-14

    申请人： Tomohiro Kuroha ,  Takaiki Nomura ,  Takahiro Suzuki ,  Kenichi Tokuhiro ,  Noboru Taniguchi ,  Kazuhito Hatoh ,  Shuzo Tokumitsu

    发明人： Tomohiro Kuroha ,  Takaiki Nomura ,  Takahiro Suzuki ,  Kenichi Tokuhiro ,  Noboru Taniguchi ,  Kazuhito Hatoh ,  Shuzo Tokumitsu

    IPC分类号： C25B9/00

    CPC分类号： C25B1/003 ,  C01B3/042 ,  Y02E60/364 ,  Y02E60/368

    摘要： A hydrogen generating device (100) includes: a housing (1) that is capable of holding a liquid therein, and that is at least partially transmissive to light; an electrolyte that is held in the housing (1) and that contains water; a photoelectrode (2) that is arranged in the housing (1), that has a first surface in contact with the electrolyte, and that generates gas through decomposition of the water by being irradiated with light transmitted through the housing (1); and a conductor (3) that is arranged in a region on the second surface side opposite to the first surface side with respect to the photoelectrode (2) inside the housing (1), that has a surface in contact with the electrolyte, and that is connected electrically with the photoelectrode (2). The conductor (3) has a groove portion (3a) that is provided on the surface in contact with the electrolyte, and that extends along the flow direction of the generated gas.

    摘要翻译： 氢生成装置（100）包括：壳体（1），其能够在其中保持液体，并且至少部分地透射光; 电解质，其保持在所述壳体（1）中并且包含水; 布置在壳体（1）中的光电极（2），其具有与电解质接触的第一表面，并且通过照射穿过壳体（1）的光而分解水而产生气体; 以及布置在与壳体（1）内部相对于光电极（2）的与第一表面侧相对的第二表面侧的区域中的导体（3），其具有与电解质接触的表面，并且 与光电极（2）电连接。 导体（3）具有设置在与电解质接触的表面上并沿着所产生的气体的流动方向延伸的槽部（3a）。

    PHOTOELECTROCHEMICAL CELL AND ENERGY SYSTEM USING THE SAME
    5.
    发明申请
    PHOTOELECTROCHEMICAL CELL AND ENERGY SYSTEM USING THE SAME 有权
    光电化学细胞和能量系统

    公开(公告)号：US20100282601A1

    公开(公告)日：2010-11-11

    申请号：US12811034

    申请日：2009-10-29

    申请人： Takaiki Nomura ,  Takahiro Suzuki ,  Kenichi Tokuhiro ,  Tomohiro Kuroha ,  Noboru Taniguchi ,  Kazuhito Hatoh ,  Shuzo Tokumitsu

    发明人： Takaiki Nomura ,  Takahiro Suzuki ,  Kenichi Tokuhiro ,  Tomohiro Kuroha ,  Noboru Taniguchi ,  Kazuhito Hatoh ,  Shuzo Tokumitsu

    IPC分类号： C25B9/06

    CPC分类号： H01M8/0656 ,  C25B1/003 ,  H01G9/205 ,  H01M16/006 ,  H01M2008/1095 ,  Y02E10/542 ,  Y02E60/366 ,  Y02P20/135

    摘要： A photoelectrochemical cell (100) includes: a semiconductor electrode (120) including a conductor (121) and an n-type semiconductor layer (122); a counter electrode (130) connected electrically to the conductor (121); an electrolyte (140) in contact with the surfaces of the n-type semiconductor layer (122) and the counter electrode (130); and a container (110) accommodating the semiconductor electrode (120), the counter electrode (130) and the electrolyte (140). The photoelectrochemical cell (100) generates hydrogen by irradiation of the n-type semiconductor layer (122) with light. In the semiconductor electrode (120), relative to the vacuum level, (I) the band edge levels of the conduction band and the valence band in the surface near-field region of the n-type semiconductor layer (122), respectively, are equal to or higher than the band edge levels of the conduction band and the valence band in the junction plane near-field region of the n-type semiconductor layer (122) with the conductor (121), (II) the Fermi level of the junction plane near-field region of the n-type semiconductor layer (122) is higher than the Fermi level of the surface near-field region of the n-type semiconductor layer (122), and (III) the Fermi level of the conductor (121) is higher than the Fermi level of the junction plane near-field region of the n-type semiconductor layer (122).

    摘要翻译： 光电化学电池（100）包括：包括导体（121）和n型半导体层（122）的半导体电极（120）; 与所述导体（121）电连接的对电极（130）; 与所述n型半导体层（122）和所述对电极（130）的表面接触的电解液（140）。 以及容纳半导体电极（120），对电极（130）和电解质（140）的容器（110）。 光电化学电池（100）通过用光照射n型半导体层（122）来产生氢。 在半导体电极（120）中，相对于真空度，（I）分别在n型半导体层（122）的表面近场区域中的导带和价带的带边缘电平为 等于或高于具有导体（121）的n型半导体层（122）的结平面近场区中的导带和价带的带边缘电平，（II）是所述导体的费米能级 n型半导体层（122）的接面平面近场区域高于n型半导体层（122）的表面近场区域的费米能级，（III）导体的费米能级 （121）高于n型半导体层（122）的结面近场区域的费米能级。

    METHOD OF STORING PHOTOCATALYTIC MEMBER
    8.
    发明申请
    METHOD OF STORING PHOTOCATALYTIC MEMBER 审中-公开
    存储光化学成员的方法

    公开(公告)号：US20120117919A1

    公开(公告)日：2012-05-17

    申请号：US12672813

    申请日：2009-06-02

    申请人： Kenichi Tokuhiro ,  Noboru Taniguchi ,  Tomohiro Kuroha ,  Shuzo Tokumitsu ,  Yoshihiro Tsuji ,  Jun Inagaki ,  Masashi Nishiguchi

    发明人： Kenichi Tokuhiro ,  Noboru Taniguchi ,  Tomohiro Kuroha ,  Shuzo Tokumitsu ,  Yoshihiro Tsuji ,  Jun Inagaki ,  Masashi Nishiguchi

    IPC分类号： B65B55/00 ,  B65B29/00 ,  B65B31/02 ,  C01G23/047

    CPC分类号： B01J35/004 ,  B01J21/063 ,  B01J27/12 ,  B01J27/135 ,  B01J33/00

    摘要： A novel method for storing a photocatalytic member containing fluorine-containing anatase-type titanium oxide is provided, which is capable of suppressing the decrease in content of fluorine during storage in a photocatalytic member containing fluorine-containing anatase-type titanium oxide. The storage method of the present invention is a method for storing a photocatalytic member containing fluorine-containing anatase-type titanium oxide including storing the photocatalytic member in a surrounding environment with a relative humidity of 30% or less. According to the storage method of the present invention, for example, the elimination of fluorine from the surface of fluorine-containing titanium oxide can be suppressed, and the decrease in content of fluorine during storage in a photocatalytic member can be suppressed.

    摘要翻译： 提供一种存储含有含氟锐钛矿型氧化钛的光催化剂的新方法，其能够抑制在含有含氟锐钛矿型氧化钛的光催化剂中储存期间氟含量的降低。 本发明的储存方法是一种存储含有含氟锐钛矿型氧化钛的光催化剂的方法，包括在相对湿度为30％以下的周围环境中储存光催化剂。 根据本发明的保存方法，例如可以抑制氟系氧化钛表面的氟的消除，能够抑制光催化剂的保存时的氟含量的降低。