公开(公告)号：US08377601B2

公开(公告)日：2013-02-19

申请号：US12498759

申请日：2009-07-07

申请人： Hiroaki Matsuda ,  Hideyuki Ueda ,  Takashi Akiyama

发明人： Hiroaki Matsuda ,  Hideyuki Ueda ,  Takashi Akiyama

IPC分类号： H01M8/06

CPC分类号： H01M8/1004 ,  H01M4/861 ,  H01M8/0245 ,  H01M8/1009

摘要： The direct oxidation fuel cell of the present invention is provided with: a membrane electrode assembly including an anode, a cathode, and an electrolyte membrane interposed between the anode and the cathode; an anode-side separator having a fuel flow channel for supplying fuel to the anode; and a cathode-side separator having an oxidant flow channel for supplying oxidant to the cathode, in which the anode includes an anode catalyst layer disposed at the side of the electrolyte membrane and an anode diffusion layer disposed at the side of the anode-side separator. The anode diffusion layer includes a water repellent layer disposed at the side of the anode catalyst layer and including a first conductive agent and a first water repellent agent; and a substrate layer disposed at the side of the anode-side separator, and the porosity of the substrate layer is higher at the downstream side than at the upstream side of the fuel flow.

摘要翻译： 本发明的直接氧化型燃料电池具备：阳极，阴极和置于阳极和阴极之间的电解质膜的膜电极组件; 具有用于向阳极供给燃料的燃料流路的阳极侧隔板; 以及阴极侧隔板，其具有用于向阴极供给氧化剂的氧化剂流动通道，其中阳极包括设置在电解质膜侧的阳极催化剂层和设置在阳极侧隔板侧的阳极扩散层 。 阳极扩散层包括设置在阳极催化剂层一侧的防水层，包括第一导电剂和第一防水剂; 以及设置在阳极侧隔板侧的基板层，并且基板层的孔隙率在下游侧比在燃料流的上游侧高。

公开(公告)号：US20120256550A1

公开(公告)日：2012-10-11

申请号：US13518268

申请日：2010-11-24

申请人： Takashi Akiyama

发明人： Takashi Akiyama

IPC分类号： H05B37/02

CPC分类号： H05B33/0809 ,  H05B33/0824

摘要： The present invention is directed to providing an LED driving circuit that can be reduced in size and produced at low cost, and that can effectively prevent a shoot-through current that may flow between a plurality of LED arrays. The LED driving circuit includes a rectifier, a first LED array containing a plurality of LEDs, a second LED array containing a plurality of LEDs; a connection unit for connecting the first and second LED arrays in series relative to the rectifier or for connecting the first and second LED arrays in parallel relative to the rectifier, a control unit for switching the connection of the first and second LED arrays relative to the rectifier from parallel to series by controlling the connection unit, and a reverse current preventing diode disposed between the first LED array and the second LED array.

摘要翻译： 本发明旨在提供一种可以减小尺寸并以低成本生产的LED驱动电路，并且可以有效地防止可能在多个LED阵列之间流动的直通电流。 LED驱动电路包括整流器，包含多个LED的第一LED阵列，包含多个LED的第二LED阵列; 用于将第一和第二LED阵列相对于整流器串联连接或用于相对于整流器并联连接第一和第二LED阵列的连接单元，用于切换第一和第二LED阵列相对于整流器的连接的控制单元 整流器通过控制连接单元并联到串联，以及设置在第一LED阵列和第二LED阵列之间的反向电流防止二极管。

公开(公告)号：US20120231375A1

公开(公告)日：2012-09-13

申请号：US13480114

申请日：2012-05-24

申请人： Guoqiang LU ,  Chao-Yang Wang ,  Takashi Akiyama

发明人： Guoqiang LU ,  Chao-Yang Wang ,  Takashi Akiyama

IPC分类号： H01M4/86 ,  B82Y30/00

CPC分类号： H01M4/8605 ,  H01M8/1007 ,  H01M8/1011 ,  H01M2004/8689 ,  Y02E60/523 ,  Y10S977/742

摘要： A cathode for use in a direct oxidation fuel cell (DOFC) comprises a gas diffusion medium (GDM) including a backing layer and a microporous layer comprising a fluoropolymer and an electrically conductive material, wherein loading of the fluoropolymer in the microporous layer is in the range from about 10 to about 60 wt. %. In use, a concentrated solution of a liquid fuel is supplied to an anode and an oxidant to the cathode of the fuel cell, and the fuel cell may be operated at a low oxidant stoichiometry ξc not greater than about 2.5.

摘要翻译： 用于直接氧化燃料电池（DOFC）的阴极包括气体扩散介质（GDM），其包括背衬层和包含含氟聚合物和导电材料的微孔层，其中含氟聚合物在微孔层中的加载在 范围为约10至约60wt。 ％。 在使用中，将液体燃料的浓缩溶液供应到燃料电池的阴极的阳极和氧化剂，并且燃料电池可以以不大于约2.5的低氧化物化学计量运行。

公开(公告)号：US20120214086A1

公开(公告)日：2012-08-23

申请号：US13453815

申请日：2012-04-23

申请人： Xinhuai YE ,  Takashi Akiyama ,  Chao-Yang Wang

发明人： Xinhuai YE ,  Takashi Akiyama ,  Chao-Yang Wang

IPC分类号： H01M8/10

CPC分类号： H01M8/1088 ,  C08J5/2287 ,  C08J2371/12 ,  C08J2381/08 ,  H01M8/1011 ,  H01M8/1023 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/1032 ,  H01M2300/0082 ,  Y02E60/523 ,  Y02P70/56

摘要： A proton (H+)-conducting hydrocarbon (HC)-based polymer electrolyte membrane (PEM) having first and second oppositely facing surfaces comprises a HC-based membrane with at least one perfluoropolymer incorporated on or within at least the first and second surfaces. A method for fabricating the PEM comprises surface treating a HC-based polymeric membrane sheet via immersion in an aqueous solution or dispersion of said at least one perfluoropolymer, followed by drying of the surface treated polymeric membrane sheet.

摘要翻译： 具有第一和第二相对面的基于质子（H +）导电烃（HC）的聚合物电解质膜（PEM）包括至少一个全氟聚合物的至少一个全氟聚合物的至少第一和第二表面上的HC-基膜。 制造PEM的方法包括通过浸入所述至少一种全氟聚合物的水溶液或分散体中，然后干燥表面处理的聚合物膜片来对HC基聚合物膜片进行表面处理。

公开(公告)号：US08097370B2

公开(公告)日：2012-01-17

申请号：US12837985

申请日：2010-07-16

申请人： Takashi Akiyama ,  Chao-Yang Wang

发明人： Takashi Akiyama ,  Chao-Yang Wang

IPC分类号： H01M8/00 ,  H01M8/04

CPC分类号： H01M8/04291 ,  H01M8/04186 ,  H01M8/1009 ,  H01M8/1011 ,  H01M8/2455 ,  Y02E60/523

摘要： A direct oxidation fuel cell (DOFC) system comprises at least one fuel cell assembly including a cathode and an anode with an electrolyte positioned therebetween; a source of liquid fuel in fluid communication with an anode inlet; an oxidant supply in fluid communication with a cathode inlet; a liquid/gas (L/G) separator in fluid communication with anode and cathode outlets for: (1) receiving unreacted fuel and liquid and gaseous products of electrochemical reactions at the cathode and anode, and (2) supplying the unreacted fuel and liquid product to the inlet of said anode; and a control and/or regulation system for determining a fuel efficiency value of the DOFC system during operation and determining and regulating and/or controlling oxidant stoichiometry of the DOFC system at an appropriate value in response to the determined fuel efficiency value.

摘要翻译： 直接氧化燃料电池（DOFC）系统包括至少一个燃料电池组件，其包括阴极和阳极，电解质位于它们之间; 与阳极入口流体连通的液体燃料源; 与阴极入口流体连通的氧化剂供应源; 与阳极和阴极出口流体连通的液体/气体（L / G）分离器，用于：（1）在阴极和阳极处接收未反应的燃料和电化学反应的液体和气体产物，以及（2）供应未反应的燃料和液体 产品到所述阳极的入口; 以及用于在操作期间确定DOFC系统的燃料效率值的控制和/或调节系统，并响应于所确定的燃料效率值，以适当的值确定和/或控制DOFC系统的氧化剂化学计量。

公开(公告)号：US20110294025A1

公开(公告)日：2011-12-01

申请号：US13206290

申请日：2011-08-09

申请人： Xinhuai YE ,  Takashi Akiyama ,  Chao-Yang Wang

发明人： Xinhuai YE ,  Takashi Akiyama ,  Chao-Yang Wang

IPC分类号： H01M8/10 ,  H01M8/06 ,  H01M8/04

CPC分类号： H01M8/1088 ,  C08J5/2287 ,  C08J2371/12 ,  C08J2381/08 ,  H01M8/1011 ,  H01M8/1023 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/1032 ,  H01M2300/0082 ,  Y02E60/523 ,  Y02P70/56

摘要： A proton (H+)-conducting hydrocarbon (HC)-based polymer electrolyte membrane (PEM) having first and second oppositely facing surfaces comprises a HC-based membrane with at least one perfluoropolymer incorporated on or within at least the first and second surfaces. A method for fabricating the PEM comprises surface treating a HC-based polymeric membrane sheet via immersion in an aqueous solution or dispersion of said at least one perfluoropolymer, followed by drying of the surface treated polymeric membrane sheet.

摘要翻译： 具有第一和第二相对面的基于质子（H +）导电烃（HC）的聚合物电解质膜（PEM）包括至少一个全氟聚合物的至少一个全氟聚合物的至少第一和第二表面上的HC-基膜。 制造PEM的方法包括通过浸入所述至少一种全氟聚合物的水溶液或分散体中，然后干燥表面处理的聚合物膜片来对HC基聚合物膜片进行表面处理。

公开(公告)号：US07968238B2

公开(公告)日：2011-06-28

申请号：US11752559

申请日：2007-05-23

申请人： Takashi Akiyama ,  Hideyuki Ueda ,  Toshihiko Ichinose ,  Masahiro Takada

发明人： Takashi Akiyama ,  Hideyuki Ueda ,  Toshihiko Ichinose ,  Masahiro Takada

IPC分类号： H01M8/04 ,  H01M8/00

CPC分类号： H01M8/04089 ,  H01M8/04589 ,  H01M8/04753 ,  H01M8/0488

摘要： A method for operating a fuel cell system including a fuel cell stack composed of a plurality of cells connected in series. The method includes the steps of: (a) supplying a fuel and an oxidant to anodes and cathodes of the cells, respectively, depending on a load to generate power at a constant voltage under constant voltage control; (b) temporarily suspending the supply of the oxidant with the fuel being supplied; and (c) lowering the constant voltage to a predetermined voltage simultaneously with or immediately before the suspension of the supply of the oxidant. According to this operation method, when the supply of the oxidant is suspended, a platinum catalyst in the cathodes can be reduced and reactivated in all the cells.

摘要翻译： 一种操作燃料电池系统的方法，所述燃料电池系统包括由串联连接的多个电池组成的燃料电池堆。 该方法包括以下步骤：（a）根据负载分别向电池的阳极和阴极供应燃料和氧化剂，以在恒定电压下以恒定电压控制发电; （b）暂时中止所供应的燃料供应氧化剂; 和（c）在氧化剂的供给停止之前或之前同时将恒定电压降低到预定电压。 根据该操作方法，当悬浮氧化剂的供给时，阴极中的铂催化剂可以在所有的电池中被还原并重新活化。

公开(公告)号：US07884789B2

公开(公告)日：2011-02-08

申请号：US11659826

申请日：2005-08-11

申请人： Rintarou Takahashi ,  Takashi Akiyama

发明人： Rintarou Takahashi ,  Takashi Akiyama

IPC分类号： G09G3/36

CPC分类号： G09G3/3413 ,  G02F1/133603 ,  G02F1/133621 ,  G02F2001/133622 ,  G09G2310/0235 ,  G09G2320/064 ,  G09G2320/0666

摘要： The object of the invention is to provide an FSC display apparatus that can easily achieve color balance. The display apparatus (1) according to the present invention, which includes a light source (30) for emitting a plurality of colored lights in sequence and in a repetitive manner and a display section (14) for controlling transmission or reflection of the lights emitted from the light source, produces a color display by dividing each field into a plurality of subfields and by causing a designated one of the plurality of colored lights to be emitted at least during a part of a period within the plurality of subfields thereby displaying on the display section an image corresponding to the designated colored light, wherein each of the subfields includes at least a data writing period for writing display data to the display section and a light-emission period for emitting the designated colored light, and the end timing of the light-emission period can be set in a variable manner.

摘要翻译： 本发明的目的是提供一种能够容易地实现色平衡的FSC显示装置。 根据本发明的显示装置（1），其包括用于依次重复地发射多个彩色光的光源（30）和用于控制发射的光的透射或反射的显示部分（14） 从光源通过将每个场划分成多个子场并且通过使多个着色光中的指定的一个至少在多个子场中的一段时间段内被发射，从而在 显示部分对应于所指定的彩色光的图像，其中每个子场至少包括用于将显示数据写入显示部分的数据写入周期和用于发射指定的彩色光的发光周期，以及 发光周期可以以可变的方式设定。

公开(公告)号：US07859615B2

公开(公告)日：2010-12-28

申请号：US11717101

申请日：2007-03-13

申请人： Koichi Hoshino ,  Yuichi Akiba ,  Sachiko Kawada ,  Takashi Akiyama

发明人： Koichi Hoshino ,  Yuichi Akiba ,  Sachiko Kawada ,  Takashi Akiyama

IPC分类号： G02F1/1333

CPC分类号： G02F1/1334 ,  G02F1/133512 ,  G02F2001/133388 ,  G02F2202/023

摘要： In a display apparatus that has a polymer dispersed liquid crystal material 25 encapsulated in a gap between a completed first substrate 1 and a completed second substrate 11 by using a sealing member 26 and has a display region M and a peripheral region N in a region where the polymer dispersed liquid crystal material 25 is encapsulated, a wiring electrode 19 having light shielding properties is provided in at least a part of the peripheral region N of the completed second substrate 11, and an ultraviolet ray transmitting portion 19a that transmits an ultraviolet ray therethrough is provided in the peripheral region where the wiring electrode 19 is provided. An ultraviolet ray is applied from the substrate side where the ultraviolet ray transmitting portion 19a is provided to polymerize a monomer in the peripheral region N. The ultraviolet ray transmitting portion is formed of, e.g., a plurality of small holes, and the small holes are dispersedly arranged at equal intervals.

摘要翻译： 在具有通过使用密封构件26封装在完成的第一基板1和完成的第二基板11之间的间隙中的聚合物分散液晶材料25的显示装置中，在具有显示区域M和周边区域N的区域中 聚合物分散液晶材料25被封装，在完成的第二基板11的周边区域N的至少一部分上设置有具有遮光性的布线电极19和透过紫外线的紫外线透射部分19a 设置在配线电极19的周边区域。 从设置有紫外线透射部19a的基板侧施加紫外线，使周边区域N中的单体聚合。紫外线透射部由例如多个小孔形成，小孔为 以相等的间隔分散排列。

公开(公告)号：US20100183951A1

公开(公告)日：2010-07-22

申请号：US12722081

申请日：2010-03-11

申请人： Guoqiang LU ,  Chao-Yang Wang ,  Takashi Akiyama

发明人： Guoqiang LU ,  Chao-Yang Wang ,  Takashi Akiyama

IPC分类号： H01M8/04

CPC分类号： H01M4/8605 ,  H01M8/1007 ,  H01M8/1011 ,  H01M2004/8689 ,  Y02E60/523 ,  Y10S977/742

摘要： A cathode for use in a direct oxidation fuel cell (DOFC) comprises a gas diffusion medium (GDM) including a backing layer and a microporous layer comprising a fluoropolymer and an electrically conductive material, wherein loading of the fluoropolymer in the microporous layer is in the range from about 10 to about 60 wt. %. In use, a concentrated solution of a liquid fuel is supplied to an anode and an oxidant to the cathode of the fuel cell, and the fuel cell may be operated at a low oxidant stoichiometry not greater than about 2.5.

摘要翻译： 用于直接氧化燃料电池（DOFC）的阴极包括气体扩散介质（GDM），其包括背衬层和包含含氟聚合物和导电材料的微孔层，其中含氟聚合物在微孔层中的加载在 范围为约10至约60wt。 ％。 在使用中，将液体燃料的浓缩溶液供给到燃料电池的阴极的阳极和氧化剂，并且燃料电池可以以不大于约2.5的低氧化物化学计量运行。