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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
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)。
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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
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)。
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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
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。
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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)。
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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。
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公开(公告)号:US20110203661A1
公开(公告)日:2011-08-25
申请号:US13119117
申请日:2010-04-26
申请人: Noboru Taniguchi , Kenichi Tokuhiro , Takahiro Suzuki , Tomohiro Kuroha , Takaiki Nomura , Kazuhito Hatoh
发明人: Noboru Taniguchi , Kenichi Tokuhiro , Takahiro Suzuki , Tomohiro Kuroha , Takaiki Nomura , Kazuhito Hatoh
IPC分类号: H01L31/0328
CPC分类号: B01J35/004 , B01J23/002 , B01J23/08 , B01J23/10 , B01J23/62 , B01J2523/00 , C01B3/042 , C01B13/0207 , C01G25/006 , C01P2002/52 , C01P2002/54 , C01P2002/72 , C01P2002/77 , C01P2002/84 , C01P2004/34 , C01P2006/40 , C25B1/003 , Y02E60/364 , B01J2523/25 , B01J2523/32 , B01J2523/48 , B01J2523/375 , B01J2523/33
摘要: The optically pumped semiconductor according to the present invention is an optically pumped semiconductor that is a semiconductor of a perovskite oxide. The optically pumped semiconductor has a composition represented by a general formula: BaZr1-xMxO3-α, where M denotes at least one element selected from trivalent elements, x denotes a numerical value more than 0 but less than 0.8, and α denotes an amount of oxygen deficiency that is a numerical value more than 0 but less than 1.5. The optically pumped semiconductor has a crystal system of a cubic, tetragonal, or orthorhombic crystal. When lattice constants of the crystal system are referred to as a, b, and c, provided that a≦b≦c, conditions that 0.41727 nm≦a, b, c≦0.42716 nm and a/c≧0.98 are satisfied.
摘要翻译: 根据本发明的光泵浦半导体是作为钙钛矿氧化物的半导体的光泵浦半导体。 光泵浦半导体具有由通式BaZr1-xMxO3-α表示的组成,其中M表示选自三价元素中的至少一种元素,x表示大于0但小于0.8的数值,α表示 氧缺乏是数值超过0但小于1.5的缺氧。 光泵浦半导体具有立方晶,四方晶或正交晶体的晶体系。 如果晶体系的晶格常数被称为a,b和c,条件是满足0.41727nm≦̸ a,b,c≦̸ 0.42716nm和a /c≥0.98的条件。
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公开(公告)号:US08734625B2
公开(公告)日:2014-05-27
申请号:US13522855
申请日:2011-01-19
申请人: Takahiro Suzuki , Takaiki Nomura , Kazuhito Hatoh , Noboru Taniguchi , Tomohiro Kuroha , Kenichi Tokuhiro
发明人: Takahiro Suzuki , Takaiki Nomura , Kazuhito Hatoh , Noboru Taniguchi , Tomohiro Kuroha , Kenichi Tokuhiro
CPC分类号: C25B1/003 , C01B3/042 , C01B2203/066 , Y02E60/364 , Y02E60/368
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。
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公开(公告)号:US20120063967A1
公开(公告)日:2012-03-15
申请号:US13320626
申请日:2010-05-21
申请人: Kenichi Tokuhiro , Kazuhito Hatoh , Takaiki Nomura , Tomohiro Kuroha , Noboru Taniguchi , Takahiro Suzuki , Satoru Tamura , Atsuo Okaichi , Norihiro Miyamura
发明人: Kenichi Tokuhiro , Kazuhito Hatoh , Takaiki Nomura , Tomohiro Kuroha , Noboru Taniguchi , Takahiro Suzuki , Satoru Tamura , Atsuo Okaichi , Norihiro Miyamura
IPC分类号: B01J19/08
CPC分类号: H01M8/0606 , C01B3/042 , H01M8/186 , H01M2250/10 , H01M2250/405 , Y02B90/14 , Y02B90/16 , Y02E60/364 , Y02E60/528 , Y02P70/56
摘要: A hydrogen generation system (2A) includes a hydrogen generation unit (201) that holds a first liquid containing water and that allows a part of the water contained in the first liquid to be decomposed into hydrogen and oxygen, and at least a part of the first liquid to be heated, by being irradiated with sunlight, a first heat exchanger (207) that cools the first liquid heated in the hydrogen generation unit (201) and heats the second liquid by heat exchange between the first liquid and the second liquid, and a mechanism (for example, a circulation line (204) and a pump (205)) that introduces the first liquid cooled in the first heat exchanger (207) into the hydrogen generation unit (201).
摘要翻译: 氢生成系统(2A)包括氢生成单元(201),其保持含有水的第一液体,并且允许第一液体中包含的一部分水分解成氢和氧,并且至少一部分 通过照射太阳光的第一待加热液体,冷却在氢气产生单元(201)中加热的第一液体并通过第一液体和第二液体之间的热交换来加热第二液体的第一热交换器(207) 以及将在第一热交换器(207)中冷却的第一液体引入氢产生单元(201)的机构(例如循环管线(204)和泵205)。
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公开(公告)号:US08951447B2
公开(公告)日:2015-02-10
申请号:US13119117
申请日:2010-04-26
申请人: Noboru Taniguchi , Kenichi Tokuhiro , Takahiro Suzuki , Tomohiro Kuroha , Takaiki Nomura , Kazuhito Hatoh
发明人: Noboru Taniguchi , Kenichi Tokuhiro , Takahiro Suzuki , Tomohiro Kuroha , Takaiki Nomura , Kazuhito Hatoh
IPC分类号: H01B1/02 , B01J35/00 , B01J23/00 , B01J23/08 , B01J23/10 , B01J23/62 , C01B3/04 , C01B13/02 , C01G25/00 , C25B1/00
CPC分类号: B01J35/004 , B01J23/002 , B01J23/08 , B01J23/10 , B01J23/62 , B01J2523/00 , C01B3/042 , C01B13/0207 , C01G25/006 , C01P2002/52 , C01P2002/54 , C01P2002/72 , C01P2002/77 , C01P2002/84 , C01P2004/34 , C01P2006/40 , C25B1/003 , Y02E60/364 , B01J2523/25 , B01J2523/32 , B01J2523/48 , B01J2523/375 , B01J2523/33
摘要: The optically pumped semiconductor according to the present invention is an optically pumped semiconductor that is a semiconductor of a perovskite oxide. The optically pumped semiconductor has a composition represented by a general formula: BaZr1-xMxO3-α, where M denotes at least one element selected from trivalent elements, x denotes a numerical value more than 0 but less than 0.8, and α denotes an amount of oxygen deficiency that is a numerical value more than 0 but less than 1.5. The optically pumped semiconductor has a crystal system of a cubic, tetragonal, or orthorhombic crystal. When lattice constants of the crystal system are referred to as a, b, and c, provided that a≦b≦c, conditions that 0.41727 nm≦a, b, c≦0.42716 nm and a/c≧0.98 are satisfied.
摘要翻译: 根据本发明的光泵浦半导体是作为钙钛矿氧化物的半导体的光泵浦半导体。 光泵浦半导体具有由通式BaZr1-xMxO3-α表示的组成,其中M表示选自三价元素中的至少一种元素,x表示大于0但小于0.8的数值,α表示 氧缺乏是数值超过0但小于1.5的缺氧。 光泵浦半导体具有立方晶,四方晶或正交晶体的晶体系。 如果晶体系的晶格常数被称为a,b和c,条件是满足0.41727nm≦̸ a,b,c≦̸ 0.42716nm和a /c≥0.98的条件。
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公开(公告)号:US20120285823A1
公开(公告)日:2012-11-15
申请号:US13522855
申请日:2011-01-19
申请人: Takahiro Suzuki , Takaiki Nomura , Kazuhito Hatoh , Noboru Taniguchi , Tomohiro Kuroha , Kenichi Tokuhiro
发明人: Takahiro Suzuki , Takaiki Nomura , Kazuhito Hatoh , Noboru Taniguchi , Tomohiro Kuroha , Kenichi Tokuhiro
CPC分类号: C25B1/003 , C01B3/042 , C01B2203/066 , Y02E60/364 , Y02E60/368
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。
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