公开(公告)号：JP2011028966A

公开(公告)日：2011-02-10

申请号：JP2009172655

申请日：2009-07-24

Applicant: Toshiba Corp ,  Toshiba Fuel Cell Power Systems Corp ,  東芝燃料電池システム株式会社 ,  株式会社東芝

Inventor： KANO AKIO ,  SHIMOTORI SOICHIRO ,  KIKUCHI ISAMU

IPC: H01M8/02 ,  H01M8/04 ,  H01M8/10 ,  H01M8/24

CPC classification number: Y02E60/521

Abstract: PROBLEM TO BE SOLVED: To provide a fuel cell which can prevent hetero-material contact corrosion for a long period even if voltage measurement is always carried out in the fuel cell with an external manifold system and is excellent in reliability and economical efficiency by restraining an amount of an expensive material used. SOLUTION: An internal conductive means 11a located inside an air outlet side gas manifold 5 is made from a material wherein an electrochemical potential is noble against an oxidizer side separator 24 as a voltage measuring means of a unit cell 1. A connection means 29 electrically connected with the internal conductive means 11a is mounted on the gas manifold 5. The connection means 29 is made from a material wherein an electrochemical potential difference from the internal conductive means 11a is set up to be 0.6 V or below. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：即使在具有外部歧管系统的燃料电池中始终进行电压测量并且具有优异的可靠性和经济效率的情况下，提供能够长期防止异质材料接触腐蚀的燃料电池 通过限制使用的昂贵材料的量。 解决方案：位于空气出口侧气体歧管5内部的内部导电装置11a由电化学电位对作为单电池1的电压测量装置的氧化剂侧隔板24的电位高的材料制成。连接装置 29与内部导电装置11a电连接安装在气体歧管5上。连接装置29由其中与内部导电装置11a的电化学电势差设定为0.6V或更低的材料制成。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010123325A

公开(公告)日：2010-06-03

申请号：JP2008294376

申请日：2008-11-18

Applicant: Toshiba Corp ,  Toshiba Fuel Cell Power Systems Corp ,  東芝燃料電池システム株式会社 ,  株式会社東芝

Inventor： SHIMOTORI SOICHIRO

IPC: H01M8/24

CPC classification number: Y02P70/56

Abstract: PROBLEM TO BE SOLVED: To form an external manifold of a fuel cell by a single member.
SOLUTION: The external manifold of the fuel cell includes an external manifold body 10 of a box shape with the upper side opening type, an exit and entrance port 11 which is provided by penetrating one wall of the external manifold body from a horizontal direction, and a flow distribution part 13 which is coaxial with the exit and entrance port 11 and includes a cross-section shape that is contained in the cross-section shape of the exit and entrance port 11. The flow distribution part 13 includes a cylindrical flow distribution plate 14 formed in the manifold space. Jetting ports 15 which penetrate between a flow-passage in the flow distribution plate and the flow distribution part in the external manifold body are provided in the cylindrical flow distribution plate 14. An upper die 22 of a shape aligned with the inner face of the external manifold body 10, a lower die 21 of a shape aligned with the outer face of the external manifold body 10, and a slide core 23 of a rod shape which is attached or detached from a horizontal direction on the upper and the lower dies are used. The exit and entrance port 11 and the flow distribution part 113 are formed by the slide core 23.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：通过单个构件形成燃料电池的外部歧管。 解决方案：燃料电池的外部歧管包括具有上侧开口型的箱形外部歧管主体10，通过从水平方向穿过外部歧管主体的一个壁而设置的出口和入口11 方向以及与出入口11同轴的流动分配部13，并且具有包含在出入口11的截面形状的横截面形状。流量分配部13包括圆筒状 分流板14形成在歧管空间中。 在圆筒形流量分配板14中设置有在流量分配板中的流路与外部歧管体内的流量分配部之间贯通的喷射口15.上模22与外侧的内表面对准 歧管主体10，与外部歧管主体10的外表面对齐的形状的下模具21以及在上下模具上从水平方向安装或拆下的棒状滑动芯23 。 出口和入口11和流量分配部113由滑动芯23形成。版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009187883A

公开(公告)日：2009-08-20

申请号：JP2008028984

申请日：2008-02-08

Applicant: Toshiba Corp ,  Toshiba Fuel Cell Power Systems Corp ,  東芝燃料電池システム株式会社 ,  株式会社東芝

Inventor： NAKAMORI YOJI ,  SHIMOTORI SOICHIRO

IPC: H01M8/04 ,  H01M8/10

CPC classification number: Y02E60/521

Abstract: PROBLEM TO BE SOLVED: To provide a cell characteristic recovery operation method for a fuel cell system, which can recover cell characteristics without decreasing the durability of a fuel cell.
SOLUTION: The cell characteristic recovery operation method includes: a fuel cell 2 formed by stacking unit cells; a fuel gas supply means 3 for supplying fuel gas to a fuel electrode 2a; and an oxidant gas supply means 4 for supplying oxidant gas to an oxidant electrode 2b, wherein the method recovers cell characteristics by temporarily more decreasing the cell voltage of the fuel cell 2 than that in the normal power generation. When cell voltage is lowered below the previously set value in normal power generation, operation is changed to the condition in which the cell voltage of the unit cell is lower than that in the normal operation, and no hydrogen is generated in proton reduction reaction in the oxidant electrode 2b. The operation condition is returned to that in the normal power generation before the cell voltage of the unit cell is lowered below 0.1 V.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够在不降低燃料电池的耐久性的情况下回收电池特性的燃料电池系统的电池特性恢复操作方法。 解决方案：电池特性恢复操作方法包括：通过堆叠单电池形成的燃料电池2; 用于向燃料电极2a供给燃料气体的燃料气体供给装置3; 以及用于向氧化剂电极2b供给氧化剂气体的氧化剂气体供给装置4，其中该方法通过暂时更多地降低燃料电池2的电池电压而恢复电池特性，而不是正常发电。 当电池电压低于正常发电时的先前设定值时，操作变为单电池的电池电压低于正常工作的电池电压的条件，在质子还原反应中不产生氢气 氧化剂电极2b。 在单位电池的电池电压降低到0.1V之前，操作条件返回到正常发电中。（C）2009，JPO＆INPIT

公开(公告)号：JP2009181959A

公开(公告)日：2009-08-13

申请号：JP2009113447

申请日：2009-05-08

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： ARAI YASUHIRO ,  SHIMOTORI SOICHIRO ,  SAKAI KATSUNORI ,  HORI MICHIO

IPC: H01M8/04 ,  G07F9/00 ,  G07F9/10 ,  G07F13/00 ,  G07F13/06 ,  H01M8/00 ,  H01M8/06 ,  H01M8/10

CPC classification number: Y02E60/521

Abstract: PROBLEM TO BE SOLVED: To provide a fuel cell system capable of conserving global environments and reducing a fuel cost. SOLUTION: In the polymer electrolyte fuel cell system, generated power obtained from a fuel cell body 11 equipped with a fuel electrode 18, an oxidizer electrode 19, a catalyst layer, and a solid polymer electrolyte membrane is supplied to a vending machine 1 for selling products to be warmed, and a water supply passage to supply water exhausted from the oxidizer electrode 19 to a reformer 15 for reforming a fuel gas by steam, a water cooling part provided between the fuel electrode 18 and the oxidizer electrode 19 so as to enable cooling water to pass through its inside and to cool the fuel electrode 18 and the oxidizer electrode 19 by the cooling water, a water cooling passage 20 to enable the cooling water to circulate between itself and the water cooling part 20, and a heat exchanger 21a provided in the water cooling passage on the exhaust side of the water cooling part 20 to pass the cooling water from the water cooling part 20 are provided. Generated water from the water supply passage between the exit of the oxidizer electrode 19 and a steam generator 14 to change water in the water supply passage to steam in order to reform the fuel gas or a water tank 56 disposed in the water supply passage is taken out, and the generated water is used as water poured into the cup of the vending machine 1. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供能够节省全球环境并降低燃料成本的燃料电池系统。 解决方案：在聚合物电解质燃料电池系统中，从装备有燃料电极18，氧化剂电极19，催化剂层和固体高分子电解质膜的燃料电池体11获得的发电量被供给到自动售货机 1用于出售要加热的产品，以及供水通道，用于将从氧化剂电极19排出的水供应到用蒸汽重整燃料气体的重整器15，设置在燃料电极18和氧化剂电极19之间的水冷部分 为了使冷却水能够通过其内部并且通过冷却水冷却燃料电极18和氧化剂电极19，使得冷却水能够在其自身与水冷却部20之间循环的水冷却通道20，以及 设置在水冷部20的排气侧的水冷通道中的热交换器21a，以使来自水冷部20的冷却水通过。 从氧化剂电极19的出口处的供水通道和蒸汽发生器14之间的供水通道产生的水，以将供水通道中的水转换成蒸汽，以便改变燃气或设置在供水通道中的水箱56 并将所产生的水用作浇注在自动售货机1的杯中的水。（C）版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2009179553A

公开(公告)日：2009-08-13

申请号：JP2009106053

申请日：2009-04-24

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： KOGAMI TAIJI ,  OMA ATSUSHI ,  SHIMOTORI SOICHIRO

IPC: C01B3/00 ,  C01B3/38 ,  C01B3/56 ,  F02M27/02 ,  H01M8/00 ,  H01M8/04 ,  H01M8/06 ,  H01M8/10

CPC classification number: Y02E60/324 ,  Y02T10/126

Abstract: PROBLEM TO BE SOLVED: To efficiently feed both hydrocarbon fuel and gaseous fuel consisting of pure hydrogen or essentially hydrogen by using minimum equipment investment. SOLUTION: The multiple fuel feeding system is provided with: a fuel storing means 4 for storing the hydrocarbon fuel; a fuel reforming means 1 for converting the hydrocarbon fuel stored in the fuel storing means 4 into a fuel reformed gas being a gaseous fuel consisting essentially of hydrogen; a hydrogen separation means for separating hydrogen from the fuel reformed gas being a gaseous fuel consisting essentially of hydrogen, converted by the fuel reforming means 1; and a hydrogen storing means 11 for storing hydrogen separated by the hydrogen separation means, and supplies both the hydrocarbon fuel and hydrogen. The hydrogen separation means is provided with an electrochemical hydrogen separation means 13 which has such a hydrogen separation membrane structure that at least an electrode is arranged on both faces of a solid polymer membrane and in which the fuel reformed gas being a gaseous fuel consisting essentially of hydrogen is allowed to flow to one electrode, then an electric current is applied in such a manner that the potential of the electrode becomes higher than that of a counter electrode, and hydrogen is electrochemically separated to the counter electrode side from the fuel reformed gas being a gaseous fuel consisting essentially of hydrogen. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：通过使用最少的设备投资来有效地供应由纯氢气或基本上氢组成的烃燃料和气体燃料。 解决方案：多重燃料供给系统设置有：用于储存烃燃料的燃料储存装置4; 用于将存储在燃料存储装置4中的烃燃料转化为基本上由氢组成的气体燃料的燃料重整气体的燃料重整装置1; 氢分离装置，用于从燃料重整气体中分离氢气，其为基本由氢组成的气体燃料，由燃料重整装置1转化; 以及用于储存由氢分离装置分离的氢的氢存储装置11，并且供应烃燃料和氢。 氢分离装置设置有电化学氢气分离装置13，其具有这样的氢分离膜结构，使得至少一个电极布置在固体聚合物膜的两个面上，其中燃料重整气体是基本上由 允许氢气流到一个电极，然后施加电流，使得电极的电位变得高于对电极的电位，并且氢被电化学地分离到对电极侧与燃料重整气体 基本上由氢组成的气体燃料。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2002025592A

公开(公告)日：2002-01-25

申请号：JP2000212908

申请日：2000-07-13

Applicant: TOSHIBA CORP

Inventor： SHIMOTORI SOICHIRO ,  ARAI YASUHIRO ,  SAKAI KATSUNORI ,  HORI MICHIO ,  TAKAISHI KAZUTOSHI ,  SAITO MASAHIRO ,  KOYAMA MASAMI

IPC: H01M8/10 ,  H01M8/04 ,  H01M8/06

Abstract: PROBLEM TO BE SOLVED: To reduce pressure loss of the reaction gas of a temperature moisture exchanging part in a fuel cell system moisturing the unreacted gas through a temperature moisture exchanging film using reacted gas of a fuel cell. SOLUTION: With a solid polymer film 6 as an electrolyte, a solid polymer fuel cell system is equipped with a solid polymer fuel cell stack 1 equipped with a reactive part consisting of a fuel electrode and an oxidizer electrode for reacting the gas, reacted gas passed through the reacting part of the fuel cell stack 1, and a temperature moisture exchanging means 20 which is equipped with a passage forming a given gas passage against the surface of a temperature moisture exchanging film 24 to exchange heat and moisture with unreacted gas before passing the reacting part of the fuel cell stack 1. The passage is made of a thin plate which is able to be pass formed, with a plurality of braces 26 formed on at least one side of its surfaces.

公开(公告)号：JPH09259909A

公开(公告)日：1997-10-03

申请号：JP6146996

申请日：1996-03-18

Applicant: TOSHIBA CORP

Inventor： MUNEUCHI ATSUO ,  SHIMOTORI SOICHIRO

IPC: H01M8/00 ,  H01M8/04 ,  H01M8/10

Abstract: PROBLEM TO BE SOLVED: To provide a fuel battery power system capable of easy power control and easy piping and having its compact constitution. SOLUTION: To facilitate complicate control of gas flow body caused when a target power system is constituted using plural laminated bodies 101, 10, and 103 composed of plural single cells and facilitate complicate supply and discharge of fuel body to and from each of the laminated bodies 101, 102, and 103, each of the air, fuel gas, and cooling water to the laminated bodies 101, 102, and 103 is performed from single supply pipes 201, 202, and 203 or in discharge also, each of the air, fuel gas, and cooling water from the laminated bodies 101 to 103 is joined to single discharge pipes 301, 302, and 303, and one pipe on these supply and discharge sides is provided with various measurement points 401, 402, and 403 or a control means 410 and is controlled.

公开(公告)号：JPH08250130A

公开(公告)日：1996-09-27

申请号：JP5614695

申请日：1995-03-15

Applicant: TOSHIBA CORP

Inventor： SHIMOTORI SOICHIRO ,  MUKU YOSHIHARU ,  MUNEUCHI ATSUO ,  MURATA KENJI

IPC: H01M8/02 ,  H01M8/04 ,  H01M8/10 ,  H01M8/24

Abstract: PURPOSE: To provide a solid polymer type fuel cell, wherein assembly is facilitated and performance is sharply improved, by forming a fuel electrode side collector out of a hydrophilic conductive porous body, and a humidifying water permeating body out of a water repellent porous body respectively. CONSTITUTION: Fuel and oxidant electrodes 101 and 102 are arranged on both the surfaces of a polymer electlyte membrane 100, and a fuel electrode side collector 105 having a fuel gas guide groove 106 and an oxidant electrode side collector 107 having an oxidant gas guide groove 108 are provided while contacting with the electrodes 101 and 102 to form a unit cell, and plurals of its are layered. A cooling plate 110 is inserted into the lower surface of the collector 105 via a humidifying water permeating body 109 composed of porous body at every single cell, to supply cooling water to the membrane 100 via the collector 105 and the electrode 101. At this time, the collector 105 is formed out of a hydrophilic carbon porous plate, having a porosity of about 70% and a mean hole diameter of about 40μm, and is provided with the groove 106; and the body 109 is formed out of a carbon porous thin plate, having a porosity of about 40% and a mean hole diameter of about 5μm, and water repellent treatment is applied.

公开(公告)号：JP2011222526A

公开(公告)日：2011-11-04

申请号：JP2011141610

申请日：2011-06-27

Applicant: Toshiba Corp ,  Toshiba Fuel Cell Power Systems Corp ,  東芝燃料電池システム株式会社 ,  株式会社東芝

Inventor： SHIMOTORI SOICHIRO

IPC: H01M8/24 ,  H01M8/02 ,  H01M8/10

CPC classification number: Y02E60/521

Abstract: PROBLEM TO BE SOLVED: To provide a fuel cell stack with a simple structure capable of preventing cooling water and reaction gas from contacting a metallic collector plate.SOLUTION: There are provided a membrane electrode assembly 1 in which gas diffusion electrodes are arranged on both sides of a solid polymer membrane, and separators 2 and 3 on at least one face of each of which a fuel gas circulation channel and an oxidant gas circulation channel 4 supplying fuel gas and oxidant gas to the gas diffusion electrodes are provided. A laminate is configured by laminating a plurality of fundamental constituents each of which is configured by arranging the membrane electrode assembly 1 and the separators 2 and 3 so that the fuel gas circulation channel contacts one face of the gas diffusion electrodes and so that the oxidant gas circulation channel contacts another face of the gas diffusion electrodes, and this laminate is held between end plates each of which is constructed from a conductive inner plate 21 and an insulative outer plate 22. Through the conductive inner plate 21, a current generated by the fuel cell stack is taken to the outside, fluids supplied to and discharged from the fuel cell stack contact only the insulative outer plate 22 in a portion of the end plate.

Abstract translation: 要解决的问题：提供具有能够防止冷却水和反应气体接触金属集电板的简单结构的燃料电池堆。 解决方案：提供了一种膜电极组件1，其中气体扩散电极布置在固体聚合物膜的两侧，并且在至少一个表面上的隔板2和3分别具有燃料气体循环通道和 提供了向气体扩散电极供给燃料气体和氧化剂气体的氧化剂气体循环通道4。 叠层体通过层叠多个基本成分而构成，每个基本成分通过布置膜电极组件1和隔板2和3而构成，使得燃料气体循环通道接触气体扩散电极的一个面，并且使得氧化剂气体 循环通道接触气体扩散电极的另一个面，并且该层压体保持在由导电内板21和绝缘外板22构成的端板之间。通过导电内板21，由燃料产生的电流 电池堆被带到外部，供应到燃料电池堆和从燃料电池堆排出的流体仅与端板的一部分中的绝缘外板22接触。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2008305806A

公开(公告)日：2008-12-18

申请号：JP2008210053

申请日：2008-08-18

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： SHIMOTORI SOICHIRO ,  SAITO KAZUO ,  HORI MICHIO

IPC: H01M8/24 ,  H01M8/02 ,  H01M8/10

CPC classification number: H01M8/241 ,  H01M8/0206 ,  H01M8/0213 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/04074 ,  H01M8/1007 ,  H01M8/2465 ,  H01M2008/1095 ,  H01M2300/0082

Abstract: PROBLEM TO BE SOLVED: To provide a solid polymer fuel cell stack, which is compact but has a large reaction area, smoothly supplying gas. SOLUTION: A solid polymer fuel cell stack is provided with a plurality of coolant channels formed in each part of a separator, arranged around the channel for fuel gas and a channel for oxidizing gas and making coolant flow in a direction perpendicular to a surface of the separator. The channel for oxidizing gas is provided with an oxidizing gas inlet on one end and an oxidizing gas outlet on the other end. The coolant channels are provided with coolant inlets on one end and coolant outlets on the other end. The coolant inlets are installed in places adjacent to the oxidizing gas inlets, the coolant inlets and the oxidizing gas inlets are oriented in the same direction, the coolant outlets are adjacent to the oxidizing gas outlets and the coolant outlets and the oxidizing gas outlets are oriented in the same direction. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供紧凑但反应面积大的固体聚合物燃料电池堆，平稳地供应气体。 解决方案：固体聚合物燃料电池堆设置有形成在分离器的每个部分中的多个冷却剂通道，其布置在用于燃料气体的通道周围，以及用于氧化气体并使冷却剂沿垂直于 分离器的表面。 氧化气体的通道在一端设有氧化气体入口，另一端设有氧化气体出口。 冷却剂通道在一端设有冷却剂入口，另一端设有冷却剂出口。 冷却剂入口安装在与氧化气体入口相邻的位置，冷却剂入口和氧化气体入口沿相同方向定向，冷却剂出口与氧化气体出口相邻，并且冷却剂出口和氧化气体出口被定向 在同一个方向 版权所有（C）2009，JPO＆INPIT