PHOTOELECTROCHEMICAL CELL AND ENERGY SYSTEM USING SAME
    2.
    发明申请
    PHOTOELECTROCHEMICAL CELL AND ENERGY SYSTEM USING SAME 有权
    光电化学电池和使用相同的能量系统

    公开(公告)号:US20120156578A1

    公开(公告)日:2012-06-21

    申请号:US13393107

    申请日:2011-03-22

    IPC分类号: H01M8/06 C25B1/04 C25B9/04

    摘要: A photoelectrochemical cell (100) includes: a semiconductor electrode (120) including a conductor (121) and semiconductor layers (122, 123) disposed on the conductor (121); a counter electrode (130) connected electrically to the conductor (121); an electrolyte (140) in contact with surfaces of the semiconductor layer (123) and the counter electrode (130); and a container (110) accommodating the semiconductor electrode (120), the counter electrode (130) and the electrolyte (140). A band edge level ECS of a conduction band, a band edge level EVS of a valence band, and a Fermi level EFS in a surface near-field region of the semiconductor layer, and a band edge level ECJ of a conduction band, a band edge level EVJ of a valence band, and a Fermi level EFJ in a junction plane near-field region of the semiconductor layer with the conductor satisfy, relative to a vacuum level, ECS-EFS>ECJ-EFJ, EFS-EVS −4.44 eV, and EVS

    摘要翻译: 光电化学电池(100)包括:包括导体(121)和设置在导体(121)上的半导体层(122,123)的半导体电极(120); 与所述导体(121)电连接的对电极(130); 与所述半导体层(123)和所述对电极(130)的表面接触的电解质(140); 以及容纳半导体电极(120),对电极(130)和电解质(140)的容器(110)。 导带的带边缘电平ECS,价带的带边缘电平EVS和半导体层的表面近场区域中的费米能级EFS,以及导带的带边缘电平ECJ,带 ECS-EFS> ECJ-EFJ,EFS-EVS -4.44eV,EVS <-5.67eV。 半导体层的表面近场区域中的费米能级EFS和具有导体的半导体层的结面近场区域中的费米能级EFJ相对于真空度满足-5.67eV

    PHOTOELECTROCHEMICAL CELL
    4.
    发明申请
    PHOTOELECTROCHEMICAL CELL 有权
    光电化学电池

    公开(公告)号:US20110174610A1

    公开(公告)日:2011-07-21

    申请号:US13016488

    申请日:2011-01-28

    IPC分类号: C25B9/00

    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
    5.
    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

    IPC分类号: C25B9/00 C25B1/04

    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 and energy system using same
    9.
    发明授权
    Photoelectrochemical cell and energy system using same 有权
    光电化学电池和能量系统使用相同

    公开(公告)号:US08821700B2

    公开(公告)日:2014-09-02

    申请号:US13502322

    申请日:2010-11-04

    摘要: A photoelectrochemical cell (100) includes: a semiconductor electrode (120) including a conductor (121), a first n-type semiconductor layer (122) having a nanotube array structure, and a second n-type semiconductor layer (123); a counter electrode (130) connected to the conductor (121); an electrolyte (140) in contact with the second n-type semiconductor layer (123) and the counter electrode (130); and a container (110) accommodating the semiconductor electrode (120), the counter electrode (130) and the electrolyte (140). Relative to a vacuum level, (I) band edge levels of a conduction band and a valence band in the second n-type semiconductor layer (123), respectively, are higher than band edge levels of a conduction band and a valence band in the first n-type semiconductor layer (122), (II) a Fermi level of the first n-type semiconductor layer (122) is higher than a Fermi level of the second n-type semiconductor layer (123), and (III) a Fermi level of the conductor (121) is higher than the Fermi level of the first n-type semiconductor layer (122).

    摘要翻译: 光电化学电池(100)包括:包括导体(121),具有纳米管阵列结构的第一n型半导体层(122)和第二n型半导体层(123)的半导体电极(120) 连接到导体(121)的对电极(130); 与第二n型半导体层(123)和对电极(130)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)。 相对于真空度,第二n型半导体层(123)中的导带和价带的带边缘电平分别高于导带和带隙的带边缘电平, 第一n型半导体层(122),(II)第一n型半导体层(122)的费米能级高于第二n型半导体层(123)的费米能级,(III) 导体(121)的费米能级高于第一n型半导体层(122)的费米能级。

    Hydrogen generation device
    10.
    发明授权
    Hydrogen generation device 有权
    氢气发生装置

    公开(公告)号:US08734625B2

    公开(公告)日:2014-05-27

    申请号:US13522855

    申请日:2011-01-19

    摘要: A hydrogen generation device (100) of the present invention includes: a transparent substrate (1); a photocatalytic electrode (4) formed of a transparent conductive layer (2) and a photocatalytic layer (3) disposed on the transparent substrate (1); a counter electrode (8) connected electrically to the transparent conductive layer (2); a water-containing electrolyte solution layer provided between the photocatalytic electrode (3) and the counter electrode (8); a separator (6) that separates the electrolyte solution layer into a first electrolyte solution layer (5) in contact with the photocatalytic electrode (4) and a second electrolyte solution layer (7) in contact with the counter electrode (8); a first gas outlet (14) for discharging a gas generated in the first electrolyte solution layer (5); and a second gas outlet (15) for discharging a gas generated in the second electrolyte solution layer (7). The photocatalytic electrode (4) and the counter electrode (8) are arranged so that a surface of the photocatalytic layer (3) and a surface of the counter electrode (8) face each other. The separator (6) allows an electrolyte in the electrolyte solution layer to pass therethrough and prevents hydrogen gas and oxygen gas in the electrolyte solution layer from passing therethrough.

    摘要翻译: 本发明的氢产生装置(100)包括:透明基板(1); 由透明导电层(2)和设置在透明基板(1)上的光催化层(3)形成的光催化电极(4); 与所述透明导电层(2)电连接的对电极(8); 设置在光催化剂电极(3)和对电极(8)之间的含水电解液层; 将电解质溶液层分离成与光催化剂电极(4)接触的第一电解质溶液层(5)和与反电极(8)接触的第二电解液层(7)的分离器(6)。 用于排出在第一电解质溶液层(5)中产生的气体的第一气体出口(14); 和用于排出在第二电解质溶液层(7)中产生的气体的第二气体出口(15)。 光催化剂电极(4)和对电极(8)的配置使得光催化剂层(3)的表面和对置电极(8)的表面彼此面对。 分离器(6)允许电解质溶液层中的电解质通过,防止电解质溶液层中的氢气和氧气通过。